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stock GM block, capabilities
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junkyarddog
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Joined: 07 Apr 2003
Posts: 88

1268.42 points


1982 Oldsmobile Cutlass

PostPosted: Fri Sep 22, 2006 11:32 am    Post subject: head unit Reply with quote

in a debate F1R or F2. I will turn boost up on weekends sometimes at strip and run good gas and in the future I may build BBC for it. I think F2 would just be better to build on than F1R

I will be having custom air to air massive 3 core built. I want coolest air as possible.

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Tyler Bonham
A.K.A. Junk Yard Dog
NHRA S/ST D595
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GrandSportC3
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Joined: 11 Jul 2003
Posts: 1231
Location: Lakeland, FL
32443.62 points


1968 Chevrolet Corvette

PostPosted: Fri Sep 22, 2006 12:12 pm    Post subject: Reply with quote

A good stock block should be able to handle 800 HP in a drag race application.. For road racing, I would not want to run a stock block with more than 500 HP...
I have a stock 400 4-bolt block and my engine has 650 - 660 HP.. 150 passes on the block with no issues.
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junkyarddog
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Joined: 07 Apr 2003
Posts: 88

1268.42 points


1982 Oldsmobile Cutlass

PostPosted: Fri Sep 22, 2006 12:23 pm    Post subject: block Reply with quote

I will not run factory 400 4 bolts, split til down main bolt casting, same place 2 different blocks.
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Tyler Bonham
A.K.A. Junk Yard Dog
NHRA S/ST D595
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GrandSportC3
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Joined: 11 Jul 2003
Posts: 1231
Location: Lakeland, FL
32443.62 points


1968 Chevrolet Corvette

PostPosted: Fri Sep 22, 2006 1:07 pm    Post subject: Re: block Reply with quote

junkyarddog wrote:
I will not run factory 400 4 bolts, split til down main bolt casting, same place 2 different blocks.


150 passes on mine with no issues.. However, I'll go with a Dart M block for my next build.
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clay
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Joined: 24 Nov 2002
Posts: 3209
Location: South Carolina
318129.23 points


1972 Chevrolet Nova

PostPosted: Fri Sep 22, 2006 4:41 pm    Post subject: Reply with quote

I run a F1 which would do what you want to do now, but if you are going to go really wild with a big block later, the F2 if one hell of a blower from what I gather, if it'll fit. I don't think it would fit easily under the hood of my Nova which is one reason I went with the F1 - smaller size. They both have the same internal step up ratio, so no real advantage there. With the F1R or F2, you would probably have to run a cog drive and I don't know about them for prolonged street driving. I run a Powerstroke intercooler and they are cheap and it would do what you want to do now, but not sure of it's capability with the F2 / BBC combination. The Powerstroke keeps inlet temps around 100* or so with 80* ambient and 280* blower outlet temps but then again, I don't think it could hang with a F2. You are setting up to have a really really fast street car. Clay
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