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Velocity - Discussions about boats built by this manufacturer.Offshoreonly Marketplace. New Products and Member Discounts; Swap Shop; Wanted; Offshoreonly Bilge. Talk Politics; UNCENSORED; Boating by Region. Great Lakes and Canada; Caribbean; Midwest; Northeast US; Mid Atlantic US; Southeast US; South Central US; Western US/Lake Havasu; Race Talk. General Racing …Marine engines need more clearance between the piston and cylinder wall because of two things. 1. The pistons are under a greater heat load and run hotter, hence, they are expanded more. Remember, aluminum expands a lot with heat. 2. Marine blocks run cold and therefore don't expand as much as automotive blocks.Re: 454 330hp upgrades. THIS WAS IN POWERBOAT MAG JAN ISSUE. PROVEN 7.4 CARB UPGRADE. QUESTION: A few years ago you listed an intake, cam and head combination for upgrading a stock MerCruiser 454, 330-horsepower engine (mine is a 1987 model) that was good for up to 425 to 450 horsepower, if I remember correctly. Offshoreonly Industry News; General Boating Discussion; Classic Offshore; Insurance and Finance; Poker Runs and Boating Events; Boating Safety; Beware and Stolen; Vendor Talk; Trucks, Trailers and Transportation; Technical. General Q & A; Do It Yourself, Boating on a Budget; Drives and Lower Units; Electronics; Fiberglass and Paint; Prop Talk ... Received 1 Like on 1 Post. The majority of the engines we build are supercharged. Alot of builders like to run conservative A/F ratios, usually 12.0-12.5:1. I personally through our in house dyno tuning find that ratios of 12.9 (being the richest) and 13.3:1 will make more horsepower.OffshoreOnly Classifieds - Boat Classifieds - Boat Parts. Team Douglas 32 Skater for Sale. Herring Propeller 17 x 39 x 15r. 2023 Donzi 22 Classic. 2008 F650 Super Truck. 2022 …Dec 9, 2006 · Re: 500 EFI, 200 hour service requirement. I had over 250hrs on my 2000 HP500 Carb. and when I sold it the guy went through it because he was going to put a blower on it. Everything inside the engine looked new! All I ever did for maintanance was change the Mobil 1 15W-50 oil and filter ever 20-30hrs, checked and lubed the drive U … · Formula - Discussions about boats built by this manufacturer.Re: Engine Alignment. On the page you linked to, item 14 is a spacer that goes on top of the gimbal housing pad, and the flywheel housing sits on top of that. # 14 is a special double wound lock washer. There normally is a fiber washer that fits around the OD of #14. Spacer #12 sits on top of the flywheel housing. Reply.Join Date: Nov 2006. Location: Tygart Lake, WV. Posts: 1,284. Likes: 258. Received 116 Likes on 79 Posts. The 520, 540, 565 all use the same cam as was used in the 525efi. I like the recommendation every 100hrs or …Offshoreonly Marketplace. New Products and Member Discounts; Swap Shop; Wanted; Offshoreonly Bilge. Talk Politics; UNCENSORED; Boating by Region. Great Lakes and Canada; Caribbean; Midwest; Northeast US; Mid Atlantic US; Southeast US; South Central US; Western US/Lake Havasu; Race Talk. General Racing Discussion; …Lift .483”/. 483”. ICL 109*. LSA 115.5*. I also purchased two brand new engines from 1800runsnew. Took them apart to put in RMBUILDER cams, and did some headwork. Best of everything, no problems whats so ever. This is the right spec numbers for the new GM base 502 new engine only. Last edited by Rockfish71; 02-14-2012 at 08:45 AM.Apr 23, 2018 · I am from the Detroit area. I wanted to have my two 1250's tuned. I called around and found Ben at Chief engines also known as Precision Power Offshore in spring lake Michigan. I told him I had a pair of 1250's with the Holley EFI system and looking for a shop that could tune them. He told me he was a Holley expert. Ben convinced me to go …General Q & A - Looking for full Specs on stock 425hp 496HO cam - I am looking for the full specifications on the stock Merc 425hp 496HO cam to include at 0.006" valve opening.Aug 16, 2023 · 41 Apache Team Apache restoration. Classic Offshore - 41 Apache Team Apache restoration - The Team Apache 41 full restoration article. Some really great details about the restoration. The original painter, Gail Paik, painted "Team Apache" as it was originally. A really incredible boat and equally incredible build by TNT and other vendors.You can get the clutch plates online. That clutch drum and some of the associated parts are from a Ford FMX trans. Those are the clutch plates you'll need. There is no specific forward gear. The clutches lock up to give you forward. Those gears create reverse through the planetary when the band locks the drum down. Offshoreonly.com>Offshoreonly Marketplace>Swap Shop. Mercury Racing Front Engine Mount Plate. Mercury Racing Front Engine Mount Plate. Part Number 849143T. This is a single engine front mount. Local pick up preferred. Asking $300, buyer pays shipping. Swap Shop - Mercury Racing Front Engine Mount Plate - Mercury Racing Front Engine Mount Plate ... Offshoreonly Industry News; General Boating Discussion; Classic Offshore; Insurance and Finance; Poker Runs and Boating Events; Boating Safety; Beware and Stolen; Vendor Talk; Trucks, Trailers and Transportation; Technical. General Q & A; Do It Yourself, Boating on a Budget; Drives and Lower Units; Electronics; Fiberglass and …Jun 12, 2006 · Offshoreonly Advertiser . Join Date: Jun 2003. Location: Princeton, Wisconsin. Posts: 3,875 Likes: 1 Received 46 Likes on 13 Posts Re: Mercury Revolution 4. Sleeper Dave, If you scroll back a ways through these threads, you'll find some extensive discussions on this propeller family. We love this propeller at BBLADES and have a full …Mercury Racing Valve Covers & HP465 Flame Arrestor. I have 3 sets of Mercury Racing big block valve covers for sale. Came off of my three HP 500's. One set has no decals. All come with breathers and caps. $200 a pair. I also have a factory flame arrestor for an HP 465. $125 .For many of us, productivity sounds like an intimidating word. Or it’s akin to catching a butterfly. You kee For many of us, productivity sounds like an intimidating word. Or it’s ...The base price for the smallest to the larges ranged from $20,000 to $60,000. Eventually, the company moved out of Zeeland to a smaller factory space in Holland Township at 13327 Quincy Street, and stopped production in 1989. All equipment and assets sold to StarCraft., according to Jim Bouwens.Jun 29, 2022 · Location: Buffalo, NY. Posts: 267. Likes: 1. Received 12 Likes on 10 Posts. I had two drives done by AADS. 1st one was a drop off core, pick up replacement type deal, in and out in 1 hour. That was 2016 or 17. 2nd drive was dropped off February 2020, got it back August 2020. Paid up front for the work as well. Offshoreonly.com>Offshoreonly Marketplace>Swap Shop. Mercury Racing Front Engine Mount Plate. Mercury Racing Front Engine Mount Plate. Part Number 849143T. This is a single engine front mount. Local pick up preferred. Asking $300, buyer pays shipping. Swap Shop - Mercury Racing Front Engine Mount Plate - Mercury Racing Front Engine Mount Plate ... Velocity - Discussions about boats built by this manufacturer.Offshoreonly Industry News; General Boating Discussion; Classic Offshore; Insurance and Finance; Poker Runs and Boating Events; Boating Safety; Beware and Stolen; Vendor Talk; Trucks, Trailers and Transportation; Technical. General Q & A; Do It Yourself, Boating on a Budget; Drives and Lower Units; Electronics; Fiberglass and Paint; Prop Talk ...Offshoreonly.com is the leading website of high performance boating enthusiasts. Our Bulletin Board, Chat Room, Classifieds section, Photo and Movies Sections, and On-line store account for our success in becoming the largest boating website on the internet. Find the information that you are looking for, or just make friends with other boaters who …Jun 9, 2015 · Their gear oil seems to do well and does well in Volvo's for a GL 5 spec. For stock black production engines their gear oil does well. Their impellers some are the exact made as Merc but some are not. Sierra has so many impellers for a lot of models and makes. They buy from Johnson as well. Oct 5, 2009 · Offshoreonly Industry News; General Boating Discussion; Classic Offshore; Insurance and Finance; Poker Runs and Boating Events; Boating Safety; Beware and Stolen; Vendor Talk; Trucks, Trailers and Transportation; Technical. General Q & A; Do It Yourself, Boating on a Budget; Drives and Lower Units; Electronics; Fiberglass and Paint; Prop Talk ... MYNA: Get the latest Mynaric stock price and detailed information including MYNA news, historical charts and realtime prices. Indices Commodities Currencies StocksPrivacy is important, and we should fight for it. I’ve said that many times. But when Windows 10 launched, I welcomed Cortana despite some concerns from privacy activists. It sound...Jan 10, 2024 · Location: BC. Posts: 386. Likes: 35. Received 106 Likes on 81 Posts. Blower Paint options. Looking to paint my B&M 420s and BBC polished intakes. I've heard that paints get a bad rap for insulating and not shedding the blower case heat. Offshoreonly.com is the leading website of high performance boating enthusiasts. Our Bulletin Board, Chat Room, Classifieds section, Photo and Movies Sections, and On-line store account for our success in becoming the largest boating website on the internet. Find the information that you are looking for, or just make friends with other boaters who …Expert-generalists gain a wide breadth of knowledge while also drilling deeply into their areas of specialty. Countless books and articles have been written about Warren Buffett. S...The 6.2s are 20 h.p. stronger than the 5.7 m.p.i. with about an equal increase in torque. They made a high output version of the 6.2s for a time. The rating was between 350 h.p. (probably VERY conservative) and 420 h.p. (a Mercruiser aftermarket build with CMI headers - required 92 octane).Ordering takeout or delivery isn't enough: we have to be conscious about how we're doing it. One of the many challenges of being stuck at home during this pandemic is not knowing t...Posts: n/a. 350 MAG MPI Repeated Ignition Failures. The 350 MAG MPI (300hp) Mercruiser in my 2001 Stingray 220sx has had repeated ignition failures, leaving me with $700.00 in tow bills, a major headache, and a "See, I told you not to buy a boat" wife. Basically, the engine will run for 20 minutes to several hours and then Kaput!Offshoreonly.com is the leading website of high performance boating enthusiasts. Our Bulletin Board, Chat Room, Classifieds section, Photo and Movies Sections, and On-line store account for our success in becoming the largest boating website on the internet. Find the information that you are looking for, or just make friends with other boaters who share …Jul 29, 2010 · mine made 625hp and 680lbs torque -- nice little adder at 3.5 psi! General Boating Discussion - ProCharger M3sc installed and Dyno Run -- Young Performance - just got my boat back from Eddie Young. Superb work done by Eddie!!! he had to change around the fuel system, oil cooler, some wiring and other misc stuff.And how to not confuse one for the other. Social media is filled with people posting pictures of themselves in luxurious or exotic places, posing at their most flattering angle, an...OSO Advertiser. General Boating Discussion - Mercruiser 5.7EFI Performance upgrades - Don't Flame, I know its a SBC TBI motor..but I'm looking on some ideas to step it up. As posted, I have a 5.7 EFI / Alpha set up on a Stingray 220SX. Reasonably light and efficient hull for its style.Received 778 Likes on 359 Posts. mefi tuning question for experts. I was out this morning doing some fine tuning on my boat with my new mefiburn software and I am starting to get a basic understanding of how it works. This was the second time out with it,last week I went out and ran it from idle to partial boost and slightly tweaked the fuel ...Offshore Yachts is a yacht builder that currently has 48 yachts for sale on YachtWorld, including 27 new vessels and 21 used yachts, listed by experienced boat and yacht brokers mainly in the following countries: … · Swap Shop - This is for selling parts ONLY. No Complete Boats. No Dealers, Commercial, Businesses or Advertisers.Offshoreonly.com is the leading website of high performance boating enthusiasts. Our Bulletin Board, Chat Room, Classifieds section, Photo and Movies Sections, and On-line store account for our success in becoming the largest boating website on the internet. Find the information that you are looking for, or just make friends with other boaters who share …Scarab - Discussions about boats built by this manufacturer.For anyone that needs to install pipe plugs with ‘allen head’ recesses, hex bolt heads fit right in the recess. So, get proper size bolt head and two nuts that fit threaded part of bolt. Insert head of bolt into allen head recess and use the two nuts (jammed into each other if coarse) and wallah. Offshoreonly Industry News; General Boating Discussion; Classic Offshore; Insurance and Finance; Poker Runs and Boating Events; Boating Safety; Beware and Stolen; Vendor Talk; Trucks, Trailers and Transportation; Technical. General Q & A; Do It Yourself, Boating on a Budget; Drives and Lower Units; Electronics; Fiberglass and Paint; Prop Talk ... Oct 6, 2009 · Offshoreonly Industry News; General Boating Discussion; Classic Offshore; Insurance and Finance; Poker Runs and Boating Events; Boating Safety; Beware and Stolen; Vendor Talk; Trucks, Trailers and Transportation; Technical. General Q & A; Do It Yourself, Boating on a Budget; Drives and Lower Units; Electronics; Fiberglass and Paint; Prop Talk ... I learned a few things, 1st was that the owner from Canada can't bring the boat to the US to sell. He can bring it to the border but you as the buyer must bring it into the US. If the boat, motor and trailer were built in the US, there are no duties or taxes to bring it back to the US if YOU are the one bringing it in. Offshoreonly Marketplace. New Products and Member Discounts; Swap Shop; Wanted; Offshoreonly Bilge. Talk Politics; UNCENSORED; Boating by Region. Great Lakes and Canada; Caribbean; Midwest; Northeast US; Mid Atlantic US; Southeast US; South Central US; Western US/Lake Havasu; Race Talk. General Racing Discussion; Offshore Pro Gran Prix; OPA/The ... 39. SC39. 699000. This is a full carbon fiber Outerlimits SC39 open cockpit powered by fresh Mercury Racing 1100's (Rebuilt by Mercury), coupled to Mercury Racing #6 Drives. The boat actually measures 44ft overall with.. 5. 2017 Outerlimits SV50 Carbon Fiber 1350/1550. 2017.Lift .483”/. 483”. ICL 109*. LSA 115.5*. I also purchased two brand new engines from 1800runsnew. Took them apart to put in RMBUILDER cams, and did some headwork. Best of everything, no problems whats so ever. This is the right spec numbers for the new GM base 502 new engine only. Last edited by Rockfish71; 02-14-2012 at 08:45 AM.I learned a few things, 1st was that the owner from Canada can't bring the boat to the US to sell. He can bring it to the border but you as the buyer must bring it into the US. If the boat, motor and trailer were built in the US, there are no duties or taxes to bring it back to the US if YOU are the one bringing it in.General Boating Discussion - Pics from 2021, 2022, 2023, 2024 - T-minus 14 Days to Key West Kick-off ParadeQuote: Originally Posted by Powerquest_Baby!! Early 502's (Mark IV and Gen V's) were rated at 425 at the flywheel and 390 at the prop (carb). This number grew in the early 90's with the advent of EFI. The EFI 502 went up to 415 at the prop and the 454 Mag went to 385 hp at the prop. Powerquest is correct this is how they were rated.Velocity - Discussions about boats built by this manufacturer.The base price for the smallest to the larges ranged from $20,000 to $60,000. Eventually, the company moved out of Zeeland to a smaller factory space in Holland Township at 13327 Quincy Street, and stopped production in 1989. All equipment and assets sold to StarCraft., according to Jim Bouwens.Mar 19, 2017 · OSO Advertiser. General Q & A - Replacement injectors for 2000 500 EFI? - Another tid bit . The WORST injectors that need servicing more times than not, seems to come from Florida, Michigan and Arizona. I actually get injectors from all over the USA and even Canada 2 very hot states all year round - one very humid and one very dry.Get some 4" aluminum angle, 3/8 or 1/2" thick. Then get a plate of flat 3/8 or 1/2" to make plates for the back side. You can then get a used or new, offshore mount, from hardin marine, or swap shop here. It bolts to the engine block, then gets bolted to the aluminum L brackets. Drop engine in, align, mark and drill your holes in the aluminum.General Boating Discussion - Pics from 2021, 2022, 2023, 2024 - T-minus 14 Days to Key West Kick-off Parade · Offshoreonly Industry News; General Boating Discussion; Classic Offshore; Insurance and Finance; Poker Runs and Boating Events; Boating Safety; Beware and …Buying the best roof sealant for your home can provide a quick fix, extend your roof's lifespan, and save you money. Read our sealant guide to learn more. Expert Advice On Improvin... Offshoreonly Industry News; General Boating Discussion; Classic Offshore; Insurance and Finance; Poker Runs and Boating Events; Boating Safety; Beware and Stolen; Vendor Talk; Trucks, Trailers and Transportation; Technical. General Q & A; Do It Yourself, Boating on a Budget; Drives and Lower Units; Electronics; Fiberglass and Paint; Prop Talk ... Received 1 Like on 1 Post. The majority of the engines we build are supercharged. Alot of builders like to run conservative A/F ratios, usually 12.0-12.5:1. I personally through our in house dyno tuning find that ratios of 12.9 (being the richest) and 13.3:1 will make more horsepower. · Offshoreonly.com is the leading website of high performance boating enthusiasts. Our Bulletin Board, Chat Room, Classifieds section, Photo and Movies …In a hard landing scenario for the economy, Kostin expects the S&P 500 to fall to 3,150, marking a 24% slide from current levels. Jump to Goldman Sachs is growing more and more ske...Reply Share. 1 / 1. Swap Shop - CMI E Top Satin Exhaust System - CMI 520 E Top Satin Exhaust system. Used 1 season, fresh water only. 4" hose. Local pick up preferred, but can ship at buyers expense. Asking $3000.00. Part Number 650-13178. DM with any questions.Watch this video on the Ryobi Table Saw with QuickStand which is simple to set up and easy to break down. Expert Advice On Improving Your Home Videos Latest View All Guides Latest ...Aug 14, 2010 · Get some 4" aluminum angle, 3/8 or 1/2" thick. Then get a plate of flat 3/8 or 1/2" to make plates for the back side. You can then get a used or new, offshore mount, from hardin marine, or swap shop here. It bolts to the engine block, then gets bolted to the aluminum L brackets. Drop engine in, align, mark and drill your holes in the aluminum. Offshoreonly Industry News; General Boating Discussion; Classic Offshore; Insurance and Finance; Poker Runs and Boating Events; Boating Safety; Beware and Stolen; Vendor Talk; Trucks, Trailers and Transportation; Technical. General Q & A; Do It Yourself, Boating on a Budget; Drives and Lower Units; Electronics; Fiberglass and Paint; Prop Talk ... Received 15 Likes on 9 Posts. 2002 25 Outlaw. Hello all, looking at joining the Baja club. This will be my first boat. I'm looking at a 2002 25 OL SST w/ 496 Mag (non HO) w/ 150 hours on hull and motor (fresh water boat). I'm waiting on the marine inspection to get done in late February as it is 12 hours from me, and I'd rather get that done ...General Q & A - Cam suggestions for 383 build - I would like a custom ground but is out of the budget. The boat is a 98 glastron gs205 and weighs 2600 lbs dry. We will be doing a little fishing and skiing both. It also has a Volvo penta sx duo prop out drive. Plans are to run exhaust out the stock leg. I'd like toGeneral Q & A - Looking for full Specs on stock 425hp 496HO cam - I am looking for the full specifications on the stock Merc 425hp 496HO cam to include at 0.006" valve opening.DCB - Discussions about boats built by this manufacturer.Apr 11, 2016 · General Boating Discussion - Merc 275 Verado Whipple upgrade - I have a 06 38' Donzi ZFX cuddy CC. It has trip 275s. I am going to do the Whipple stage 2 upgrade soon for the advertised 65 hp gain. I will prob send everything to them next month. The way the boat is propped now at WOT I run 62 and about 6100 rpm. DoesFor many of us, productivity sounds like an intimidating word. Or it’s akin to catching a butterfly. You kee For many of us, productivity sounds like an intimidating word. Or it’s .... Oct 11, 2007 · Received 1,080 Likes on 479 Posts. SlippeIf you use eBay, you should be in the kno Feb 3, 2006 · Re: 454 330hp upgrades. I have an extra set of Chevy L-29 large oval port heads if anyone is interested. They are a nice cheap upgrade from the stock round (peanut) port heads on the 330s. With flat top pistons the CR is about 9:1 and they do flow better than the round port heads. $300 plus shipping. You can get the clutch plates online. That clutch drum and some of the associated parts are from a Ford FMX trans. Those are the clutch plates you'll need. There is no specific forward gear. The clutches lock up to give you forward. Those gears create reverse through the planetary when the band locks the drum down. Lift .483”/. 483”. ICL 109*. LSA 115.5*. I also purchas General Q & A - Nordic Rage 496HO - I have a 2004 Nordic Rage open bow with the 496HO and 1.5:1 and a 26 pitch Bravo1. Total hours now is 70. A 2002 published boat test on Lake Havasu (~ sea level) with this identical package posted a 75.6 mph @5000 rpm (radar) -77.2 mph (GPS) top end with a lab finished 26 pitch Offshoreonly.com is the leading website of high performan...

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