Recent content by roysbb

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    Looking for performance exhaust advice for VP 290 DP

    Hi Guys, I will need to replace my exhaust manifolds and risers soon. Is there a performance difference between vendors, models, etc What other things can I do to improve exhaust flow ? This is for a chevy 350 with approx 320 HP Thanks, Roy
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    What are the differences between an automotive 350 chevy and a marine unit?

    I have found the 350 I want to put in the boat. I can buy a new GM engine from scoggin-dickey for 2069.00. It is 4 bolt, vortec heads, 9.3 compression, roller cam, etc I am thinking that with a simple cam and spring swap it should be about 350 HP. The only issue is it says "Not intended for...
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    SBC Angle plugs heads - any interference with standard VP exhaust manifolds?

    Hello, I am considering buying am engine for my boat - it has AFR L98 style heads with angled spark plugs. Will the spark plugs clear my VP exhaust manifolds? My boat is about 4 hours and about a week away .... Thanks, Roy
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    Will DP-A stand up to a more powerful 5.7 330hp Vortec replacement motor?

    Hello out there, Thanks for all the previous help. I have a 1986 25' Bayliner Command Bridge with DP-A Drive It has a good running 350 in it now, but it is consuming oil at 3400 cruise rpm - I suspect rings due to a internally leaking Quadrajet carburetor. Will this drive stand up to the...
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    Need help with volvo part number for dp-a raw water hose

    Hello, I need help finding a volvo part number for what I believe most people would call it the "raw water hose", it runs from the transom shield to the bolt-on water neck on the outdrive (between the driveshaft bellows and the exhaust bellows). Volvo calls it a "hose" which makes searching a...
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