Power wont climb after Vtec...??? - Club RSX Message Board
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Old 02-07-2019, 08:22 PM   #1
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Power wont climb after Vtec...???

Okay so I just had my Head completely refurb'd.. New seals, new springs, cleaned, machined, ect.. The car makes great compression with no leakdown... So we put it on the Dyno only to be stumped.. The car, after making the usual spike after Vtec engagement stabilizes afterward, then actually starts to dip as it nears 7,800.. The curve after vtec should continue to increase.. We have ruled out pretty much everything.. Oil pressure is good, engine is good, all power supply is good, Solenoids are good.. Tuner said it is intaking proper air, but there seems to be a restriction exhaust side.. Is it really possible to lose like 30-40hp from a bad exhaust? They told me to have my exhaust checked.. But to me, it doesnt seem like I could be losing this much power from a bad flex pipe or exhaust issue.. Any one ever have anything similar ever happen?

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Old 02-12-2019, 01:11 PM   #2
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From what I've read on here, yes. Flex pipes can collapse internally but still look fully expanded from the outside!
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Old 02-12-2019, 01:26 PM   #3
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Dad must be an admin because here is no way they could have reached this amount on their own Dad must be an admin because here is no way they could have reached this amount on their own Dad must be an admin because here is no way they could have reached this amount on their own Dad must be an admin because here is no way they could have reached this amount on their own Dad must be an admin because here is no way they could have reached this amount on their own Dad must be an admin because here is no way they could have reached this amount on their own
Dad must be an admin because here is no way they could have reached this amount on their own Dad must be an admin because here is no way they could have reached this amount on their own Dad must be an admin because here is no way they could have reached this amount on their own Dad must be an admin because here is no way they could have reached this amount on their own Dad must be an admin because here is no way they could have reached this amount on their own Dad must be an admin because here is no way they could have reached this amount on their own Dad must be an admin because here is no way they could have reached this amount on their own Dad must be an admin because here is no way they could have reached this amount on their own Dad must be an admin because here is no way they could have reached this amount on their own Dad must be an admin because here is no way they could have reached this amount on their own Dad must be an admin because here is no way they could have reached this amount on their own Dad must be an admin because here is no way they could have reached this amount on their own Dad must be an admin because here is no way they could have reached this amount on their own Dad must be an admin because here is no way they could have reached this amount on their own Dad must be an admin because here is no way they could have reached this amount on their own Dad must be an admin because here is no way they could have reached this amount on their own Dad must be an admin because here is no way they could have reached this amount on their own Dad must be an admin because here is no way they could have reached this amount on their own
I would have to guess that it's the flex pipe as well. I can't think of anything else that would restrict that much air flow and limit power
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