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Old 01-26-2011, 08:15 AM   #1
NVCB7
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Cool F22a1 Head build

What do I need to build the head of my f22a1? Any ideas let me know
I'm tryna get the max horsepower N/A out this car but starting from top
To bottom?
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Old 01-26-2011, 09:34 AM   #2
pedalpusher90
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you need springs, valves, brass valve guides, retainers, valve seals, port and polish, and a higher lift cam from bisimoto.
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Old 01-26-2011, 09:51 AM   #3
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do you know specifically which ones? or what brand? price dont matter either.
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Old 01-26-2011, 09:55 AM   #4
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www.bisimoto.com

buy the best stuff there.

but first do some research. something tells me you have absolutely no idea what your getting into. your looking at more than just throwing parts at a head. you should consider building your bottom end as well since an old stock block with a low redline and low compression wont do very much with a built head.
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Old 01-26-2011, 06:46 PM   #5
NVCB7
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Okay bisimoto.com
And what exactly would I need to build my block
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Old 01-26-2011, 09:56 PM   #6
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a lot more knowledge.
im not saying that to be mean... but you really need to look into some more comprehensive materials to learn how to build an engine than this forum. go to www.helminc.com and buy the manual for your car. you will learn how to build an engine by reading that. then look into what it takes to build a performance motor in terms of pistons, rings, rods, bearings, crankshaft, cylinder sleeves, etc...
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Old 01-26-2011, 11:12 PM   #7
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okay thank you (:
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Old 01-27-2011, 05:10 PM   #8
pedalpusher90
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hey dani did you mean www.helminc.com
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Damn CBs are like a Rubix Cube sometimes !!!!
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Old 01-27-2011, 05:13 PM   #9
pedalpusher90
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if you are boosting it, is it not better to keep the comression low before you induce the air
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Damn CBs are like a Rubix Cube sometimes !!!!
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Old 01-27-2011, 05:14 PM   #10
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yes. i forgot there is no hyphen in it. editing my post now.


And he said N/a in the first post. either way he needs to learn how to build an engine.
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Old 01-27-2011, 07:19 PM   #11
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even if he was boosting would it not be better to keep the comp ratio low for boost?
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Old 01-27-2011, 07:22 PM   #12
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A low compression ratio makes tuning safer with boost. It raises the margin of error. High compression requires very careful tuning, or detonation occurs. In general, yes, lower compression is desireable for boost.

However, this thread is not about that. In the first post, he asked about building for N/A performance. Naturally Aspirated. NOT TURBO. So telling him what to do for a boost build is utterly pointless. That's like saying "if you had an H22 you could get a VTEC controller". It's pointless, and not related in any way to the question.
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Old 01-27-2011, 11:39 PM   #13
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Im kind of curious about an n/a build as well, although im building an engine in the future to boost. For n/a would higher compression be desireable, what compression ratio would be the best, what are other factors to keep inmind while raising the compression ratio? For this I only know of a few methods, milling the block or head, using a smaller headgasket, or changing out the pistons to a higher comp pistion. What mods can you do to the head besides a more aggressive cam shaft? Can you run a bisi stage 5 camshaft, with springs,valves,retainers that can accept it, in a higher compression n/a build?
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Damn CBs are like a Rubix Cube sometimes !!!!
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Old 01-28-2011, 12:26 AM   #14
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other than a camshaft a good port and polish, springs, retainers, guides, valves, and a good valve job...the issues to be careful of in a high comp n/a build are valve to piston clearance...and milling a head or block is a relatively cheap way of acheiving a higher comp ratio but there are def better options and yes higher comp is more desirable for an n/a build

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