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which one head build or block build

 
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Old 10-14-2009, 04:35 PM
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which one head build or block build

som i have done a lot of research on this but i still cant make my mind up which i should a head build like port and polish and 3 angle valve job or block build with sleeves pistons rods and bearings. well im just looking for some opnions on the matter?
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Old 10-14-2009, 06:09 PM
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Re: which one head build or block build

you do both, to get the most amount of power. are you wanting to go N/A or boots?
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Old 10-14-2009, 06:30 PM
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Re: which one head build or block build

you will be faster with a proper block build while upping the displacement, however, the block needs to be built around the cams you plan on choosing.
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Old 10-15-2009, 10:06 PM
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well im going with stage 3 crower cams

and no im not going boost or supercharged

Last edited by 1BadBB6; 10-16-2009 at 10:36 AM. Reason: merging back to back posts
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Old 10-16-2009, 12:06 AM
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Re: which one head build or block build

Definitely want higher compression to go with the cams. So I agree, go with both. Should be cheaper too (compared to doing both, but at separate times).
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Old 10-16-2009, 10:38 AM
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Re: which one head build or block build

stage 3's are a very aggressive cam, look to change your whole valvetrain, and bump the compression up quite abit to run those cams. a sleeved block with forged internals will be a must for this.
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Old 10-16-2009, 10:55 AM
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Re: which one head build or block build

Throw some rods,pistons in. The stock crank on a h22a is good for 900hp. Now depending on what amount of hp you plan on hitting, i would sleeve the block. Also the h22a can take up to .80 bore over stock on a sleeved block but thats not reccomended. If you are going to bore hit .40 over.If it is staying stock you can only bore the frm sleeves .10. Now if you are running a turbo get the weisco 8:1 pistons. You will be able to boost the **** out of it. Then if you plan on running a N/A build, types S are a good on a budget build and work very well. I believe they are 11:1 compression. There are other pistons such as JP and CP that sell 12:1 pistons.
Now for the heads.An h22a has one of the best flowing heads ever made. If you plan on doing a high hp build such as 600hp blah blah you could get ur head PNP and what not.(boosted) Still you could save the money and keep them stock. There are ppl on here that are hitting 600hp with stock heads. I would say get the 3 angle vavle job and call it a day on the heads. If you plan on running N/A and have a very high budget where you can drop tons of money into it, then you could pnp the heads,cams,vavles,retaners,etc. Make sure you have an intake,TB, High compression pistons,etc. Next time you post put down some more info. Such as your budget,engine,goals and all that fun stuff. Hope i could help ya out. (This is assuming you have an h22a.)
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Old 04-06-2014, 03:10 PM
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Re: which one head build or block build

they go hand in hand from my experience. for 1 as someone stated before cost. and 2 a built head on a stock old bottom end is asking for problems. a freshly rebuilt head is going to flow more air and fuel mixture which in return is going to give you better combustion, which puts more stress on a let's say 100k + mile bottom end. also the head is going to be sealed up nice and tight so ring failure is likely.

but if i had to do one or the other. i would start with the block depending on what you do, you will get hp gans. and its not as much work to do a head later.
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