Bowtie main caps

denny

Active member
I have a bowtie block with cast main caps, I want to replace them with billet caps and the pro-gram i have will nto fit.

Where can I find replacement billet caps for this block?
How strong are these cast caps?
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thanks
 

Foot Performance

Donating Member
Re: Bowtie main caps

Did you try to call pro-gram if the ones you have dont fit I would think they could get you some that do.
 

ghettosled

SYTY SUPERSTORE
Re: Bowtie main caps

on all the motors we build utilizing the 4 bolt center caps, we buy C12 flat bottom caps and machine the register to our specs. Probably what you need to do. It is easier when you have the right equiptment.

I have some in stock if you need any.
 

Windedv6

Ty n 10s
Re: Bowtie main caps

The block you have its a late model sportsman CNC block. The sportmans class didn't allow steel caps so they built these heavy duty nodular ironcaps. It has the extra webbing in the front for the 4 bolt main front cap. These nodular caps are much larger than the steel caps. I run them on mine with no issues. You would not break them unless you really, really really detonated it big time. At that point you would have other issues even with steel caps. You would be better off keeping them as they are a perfect fit and the chance for cap walk in replacement caps is greater. I studed mine and left them alone.

John
 
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