Iron BBC Head Question

General engine tech -- Drag Racing to Circle Track

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BBCFAN
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Iron BBC Head Question

Post by BBCFAN »

I need to build an iron headed BBC for truck pulling.

Given the lack of available RHS, EQ & Dart castings, we are pretty much left to choose from factory castings or World Product heads.

Does anyone have any input on porting and using Worlds Product heads?

I saw an article online with HVH porting the 365cc runner version.

Does anyone else have any real world experience with that head for truck pulling?

Thank you.
mag2555
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Re: Iron BBC Head Question

Post by mag2555 »

With a port volume of that size ( 365 CCs ) I assume we are talking about a motor that’s over 550 cid that needs 480 to 500 cfm?
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BBCFAN
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Re: Iron BBC Head Question

Post by BBCFAN »

https://www.enginelabs.com/engine-tech/ ... ock-heads/

This is the link I found, I was told a 477 BBC recently made good power using these.

I'm certainly not familiar with them. I'm old RHS / EQ 320 fan. We need to step down to a 500 cu. limit 4150 class.

I'm learning as I go & if I pursue these heads, I will share the final outcome.
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