Suggestions on building a small block up

[1972novabill]

I have a friend that has a 3600# '80 Malibu with a T350 3500 convertor and a 12 bolt with 4.10's and 28 x 10.5 M/T slicks. He has a .030 over 350 with stock stroke 2 bolt main cast crank. He is going to put forged flat top pistons in it.

What would you recommend to get the most bang for his buck? He would be happy to run 11's with 10's being a great place to be. What would you suggest for cam, heads, intake and carb. Of course he doesn't have a big budget so keep that in mind.

[CNC BLOCKS NORTHEAST]

1972novabill said:

I have a friend that has a 3600# '80 Malibu with a T350 3500 convertor and a 12 bolt with 4.10's and 28 x 10.5 M/T slicks. He has a .030 over 350 with stock stroke 2 bolt main cast crank. He is going to put forged flat top pistons in it.

What would you recommend to get the most bang for his buck? He would be happy to run 11's with 10's being a great place to be. What would you suggest for cam, heads, intake and carb. Of course he doesn't have a big budget so keep that in mind.

In 29 years of building engines we have noticed that 2 bolt block with more then 350 put to them don't seem to fare well as the caps seem to walk around alot and because they are flexing the bearings never fair well either or we have seen them them broke as well.

And studs are not the anser either. I think depedabilty is the KEY WORD.

GM rates there 4 bolt block at 350 horse with stock caps so whats a 2 bolt block rated at

[1972novabill]

Does anyone have anymore ideas or suggestions about a nice small block combination build up?

[85Iroc]

GM rates there 4 bolt block at 350 horse with stock caps so whats a 2 bolt block rated at

not saying that you are incorrect, but i'd say GM under-rates most everything they make. I'm pretty sure a 4 bolt block can take WAY more than 350 hp.

What is his budget?? Could he afford to stroke it to a 383 and have splayed caps installed?

[1972novabill]

What kind of money are you talking to build a 383? Give a breakdown of what you would do to build moderate budget 383. Thanks for your reply 85Iroc!

[85Iroc]

well, first off, I do have to agree about the 2-bolt block. I'm not sure about the strength of them. He could find a 4-bolt block real cheap. He could get a 383 rotating assembly anywhere from $450 (all cast) to $1800 or so (all forged good stuff). The extra cubes would do him good in a heavy car. 10s would be a tall order for a 350 without really good heads, roller cam, etc.

here's a good place to look for rotating assmbly

www.ohiocrank.com/rotating.html

He could go with vortec heads for around $500-$600. The Canfields are a good deal at around $1100.

[1972novabill]

Thanks 85Iroc! Do you have any experience with Ohiocrankshaft? It looks pretty good. Thanks for the link. Any more suggestions would be great!

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85iroc said:

GM rates there 4 bolt block at 350 horse with stock caps so whats a 2 bolt block rated at

not saying that you are incorrect, but i'd say GM under-rates most everything they make. I'm pretty sure a 4 bolt block can take WAY more than 350 hp.



This a cap off a circle track engine that made 420 horse on the dyno and came back to be refreshened and this is what was found during the disassembly of the engine and have no idea when the event happened and replaced the stock caps with billet 4 bolt replacement caps and cured the problem and have seen this more then once. I don't think GM is to far off as they spend a lot of money on research and I find there info very credible

[85Iroc]

how long was that engine ran before being freshened?? Circle track racing, turning 8000 rpms for 20 laps is a little different than dragracing. I'm sure you have seen a few of them that did that. But how many are out there that are just fine. Anything can happen when you're talking about racing of any kind, it puts a lot of stress on parts. I have a friend that had over $1600 in a set of rods in a circle track motor and he broke one in the first race and it took out his $2400 crank. I've been making 500+ hp on motor and 700ish on spray with my 4-bolt w/ stock caps. It might break next pass but it's held up so far.

I don't have any experience personally w/ OhioCrank but i've heard good things about them, they're just not as well known. I did see on another message board where a BBC w/ OhioCrank rotating assembly made over 1600hp

[1972novabill]

Ok, so with the 383 stroker kit for $495, what heads, cam, intake and carb would you go with to make enough horsepower and torque to get this car in to the 11's at least?

[CNC BLOCKS NORTHEAST]

1972novabill said:

Ok, so with the 383 stroker kit for $495, what heads, cam, intake and carb would you go with to make enough horsepower and torque to get this car in to the 11's at least?

For 495 what comes in the kit as we sell the Scat 4340 Crank for the 6 inch Scat 4340 rods with 7/16 bolts, SRP pistons, File fit rings, bearings, all balanced for 1800.00

We don't sell cast crank set ups or hyper pistons as we try to use quaulity stuff as its more dependable.

[1972novabill]

here is the link to the $495 ohio crank rotating assembly: www.ohiocrank.com/rotating.html
Let me know what you think

[1972novabill]

85Iroc, I saw your engine combination you listed in a post about your heads to Mike Stark. This sounds like something my friend would be shooting for. Could you email me with the details of what you have done with your motor? This would be a big help. Here is my email address: [e-mail] Thanks!!

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1972novabill said:

here is the link to the $495 ohio crank rotating assembly: www.ohiocrank.com/rotating.html
Let me know what you think

I see they are using old rods that have been reconditioned and a cast crank and hyper pistons

Here is a link to a 383 we dynoed Friday for a customer with this much torque and HP I'm glad the block had 2482 caps and we used 4340 crank and rods.
www.chevelles.com/forums/showthread.php?t=106715

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Here is a pic of the engine before putting it on the dyno for the day.