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LS vtec with CTR pistons

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Old Nov 10, 2009 | 11:54 PM
  #1  
evo951's Avatar
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From: Temecula
Default LS vtec with CTR pistons

i picked up a EG6 and these are the mods, B18a1 block bore .40 over, oversize ctr pistons, acl bearings, micro polish crank,ctr crank pulley, p72 head,p72 headbolts,proffesional intake manifold,68mm TB, virgin p72 ecu............................. what i have been reading is this set up is very bad news. too much compression?
please give me some input on this, car runs good, little bit of white smoke on starup and if i rev it hard. i have a stock GSR motor sitting, is it jus worth droppin that in? thanks guys
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Old Nov 11, 2009 | 09:08 PM
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From: victoria, texas, usa
Default Re: LS vtec with CTR pistons

Im far from an expert, but with proper tuning and enough octane youll be fine.
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Old Nov 11, 2009 | 09:22 PM
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Default Re: LS vtec with CTR pistons

Its a lot of compression for pump gas, so keep that in mind when you tune it. You are going to properly tune it, right?
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Old Nov 11, 2009 | 09:33 PM
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Default Re: LS vtec with CTR pistons

Man I hope so, what gets me is the stock ecu he mentioned.
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Old Nov 11, 2009 | 09:57 PM
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evo951's Avatar
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Default Re: LS vtec with CTR pistons

yes it came with a stock p72, the guy told me it pulls strong with a chipped p28, but i know it doesnt matter without a proper tune, im here down in socal and we only have pissgas 91 octane, where can i get a good tune?
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Old Nov 12, 2009 | 06:09 AM
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From: killeen texas
Default Re: LS vtec with CTR pistons

be conservative with the timing and with proper tune should work fine personally I love ctr pistons!!!
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