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13.5.1 b20vtec..cam choices...

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Old Sep 2, 2010 | 11:29 AM
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Double_Trouble_99's Avatar
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From: LeClaire, iowa, usa
Default 13.5.1 b20vtec..cam choices...

any suggestions on cams with this set up?

13.5.1 b20
stock port b16a2 head.
sk2 manifold
68mm t/b
tri y
2.5in catless exhaust.
will be on e85

dont want to over cam the motor base on the head but dont want to undercam neither thanks guys.
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Old Sep 2, 2010 | 12:59 PM
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From: bronx, ny, usa
Default Re: 13.5.1 b20vtec..cam choices...

at least get a 3 angle valvejob...but for cams skunk2 pro2 are popular for that set up.. and 3 inch exhaust instead of the 2.5...im using bc4 on my 12.5 compression lsvtec 1.8l
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Old Sep 2, 2010 | 01:50 PM
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Uncle Dave's Avatar
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From: Near a River, NSW, Australia
Default Re: 13.5.1 b20vtec..cam choices...

Originally Posted by cibao2ner
at least get a 3 angle valvejob...but for cams skunk2 pro2 are popular for that set up.. and 3 inch exhaust instead of the 2.5...
Good advice
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Old Sep 2, 2010 | 04:41 PM
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From: LeClaire, iowa, usa
Default Re: 13.5.1 b20vtec..cam choices...

Originally Posted by cibao2ner
at least get a 3 angle valvejob...but for cams skunk2 pro2 are popular for that set up.. and 3 inch exhaust instead of the 2.5...im using bc4 on my 12.5 compression lsvtec 1.8l

thanks for the info! kinda thought about the pro 2's but wanted to see what others felt about it. i dont know much about all motor set ups. motor is going in a buddys car and didnt want to tell him to buy cams that wouldnt work well with his set up. will the 2.5in exhaust really hinder his power that much compared to 3in based on using his stock port head? hes got alot of money in his exhaust set up already and im sure he will frown if i tell him 3in lmao! thanks again for the advice,jim.
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Old Sep 3, 2010 | 12:32 AM
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cibao2ner's Avatar
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From: bronx, ny, usa
Default Re: 13.5.1 b20vtec..cam choices...

2.5 wont kill him..but he will get more out of a valvejob than an exhaust...since he probably wont change it if he has spent money on it...laskey racing has a 350 valve job...with return shipping...thats where 50% of the power gains of a port and polish comes from...also port match it to the gaskets your gonna use...and dont touch the exhaust side but open up the header a lil helps with reversion....i wish we had e85 near where i live....makes things much easier...
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Old Sep 3, 2010 | 06:59 AM
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DDTECH's Avatar
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From: Baton Rouge,Louisiana
Default Re: 13.5.1 b20vtec..cam choices...

2.5 lol.. ya it will. Infact speaking from personally experince i ran a stock cat and stock exhaust on my eg for like 2 months.. i'm surprised i didn't blow a cat right off the piping.. entirely too much air flowing through my b20vtec..

step up to a 3'', you'll thank us later.. and cam choices are simple

pro2/pro3/m24xx's
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Old Sep 3, 2010 | 07:46 AM
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From: LeClaire, iowa, usa
Default Re: 13.5.1 b20vtec..cam choices...

thanks for all the advice guys think we will go with the pro2's and ill make him go to a 3in set up. also look into the valve job from laskey. seems pretty cheap for a good valve job. theres no shop around us that even knows what to do with a honda head as far as performance go's.
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