k20 engine building question
05-12-2005, 09:27 AM
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k20 engine building question
okay, i am looking to get my clynder head port and polished.......how much does this usually cost.......also, while the engine is out, how much to bore the block? whats involved with doing that type of work? what exactly am i getting into?
05-12-2005, 09:52 AM
#2
Re: k20 engine building question (nos4a2si)
p&p - i've seen it from like 800-1000... depends on who though.
remember to hone the block if you do bore it though. You are getting into a hefty cost for block work.
remember to hone the block if you do bore it though. You are getting into a hefty cost for block work.
05-12-2005, 10:00 AM
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Re: k20 engine building question (Kal)
yeah.....definetly doesnt sound cheap. the reason why im concerned, is because i am getting the block sleeved and new pistons, connecting rods, etc. and down the road if i DO in-fact get the block bored, and the head honed, would i have to buy all new pistons anyways and stuff........i mean, maybe it dont matter if i get it bored or not, i am running a turbo at 7 psi right now, will be going way higher as soon as my engine is built up. maybe the speeds i will get are what i want.
05-12-2005, 12:34 PM
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i haven't really looked at a k20 head before, but i understand teh flow characteristics are quite good. i would recommend p&p, 3 angle valve job, gasket matching, hot tanking, and (this is where know what the cc looks like would be useful for me before recommending it) unshrouding the valves.
05-12-2005, 09:00 PM
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Re: k20 engine building question (nos4a2si)
There is not much you can do with the Rsx head. The intake side is already opened up as much as they can be. If you try to port it you most likely will loose air velocity. If you have a TSX head there is more to play with.The intake side on the TSX is smaller. If you do decide to port the A2 head Make sure you take it to a person that knows what they are doing. Me personally i would leave it alone though. There is a big chance you are going to get it ported and loose power.
05-12-2005, 09:02 PM
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Re: k20 engine building question (nos4a2si)
I just noticed your boosting. You definetly dont need to port the head. If you want to flow more air just boost more.
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05-16-2005, 08:27 AM
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Re: (NeVeR bLoWn)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by NeVeR bLoWn »</TD></TR><TR><TD CLASS="quote">after that u need a great exhaust...check sig 
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got myself a greddy stainless steal full catback exhaust, hehe...
</TD></TR></TABLE>got myself a greddy stainless steal full catback exhaust, hehe...
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