To Crate or not to Crate
#11
Beak botr
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I went from 454/330 old on one side to 540 hp on the other side for 5 years (until the other 454 quit), only difference was throttling, had to make sure rpms matched, not throttle levers. The throttle on the new was about 1/2 position of the old at exact rpms.
#13
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Is that power meassured by the SAE J1349 Standard that Merc, Volvo and Ilmor uses or the genrous SAE J607 Standard many custom builders use? If the latter they would be between 425-440 hp SAE J1349. The reason why I'm bringing it up, is just to make the hp comparisons equal.
#14
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Not really so bad, if the dirty sock is just a little bit dirty, but the dirty sock is like stepping into a bucket of poop so you got no choice but to change it. I could have rebuilt of both at the time, but I chose to significantly up the anti on them such that what I put into the new engine would have paid for rebuilding both old engines to stock level power.
#15
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the new crate engines you see listed all over are NOT assembled by GM, they have a outsourced place doing the assembly...and the quality is shaky, bought 2 had a bad experiance with one and after doing research some others have as well...have a good machine/engine shop redo what you have...
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The new Mercruiser/Mercury 8.2Mag and 8.2HO engines are Mercury buillt product from what I understand and are built in Fondulac. I had heard that Mercury was subcontracting the short blocks though and I have not been able to confirm that. In any event they are not assembled by the subcontractors that are now doing the GM crate engine programs and apparently their are several different firms doing this work.
Maybe someone here on OSO can check their Mercury sources and confirm this.
Best Regards,
Ray @ Raylar
Maybe someone here on OSO can check their Mercury sources and confirm this.
Best Regards,
Ray @ Raylar
#17
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The new Mercruiser/Mercury 8.2Mag and 8.2HO engines are Mercury buillt product from what I understand and are built in Fondulac. I had heard that Mercury was subcontracting the short blocks though and I have not been able to confirm that. In any event they are not assembled by the subcontractors that are now doing the GM crate engine programs and apparently their are several different firms doing this work.
Maybe someone here on OSO can check their Mercury sources and confirm this.
Best Regards,
Ray @ Raylar
Maybe someone here on OSO can check their Mercury sources and confirm this.
Best Regards,
Ray @ Raylar
#18
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i have heard of people with a 318 dodge on one side and 454 on the other. of course, this was in a sportfish that only had to outrun the fish. but if you keep it geared and propped the same both sides, no issues. you could probably do a little cable adjusting for lever pos at cruise.