Custom ported and CNC throttle bodies, upper and lower manifolds by Synergy Composite

mishuko · 12-02-2014, 10:19 AM

Quote:

Originally Posted by synolimit

I'm hunting right now and left ASAP after the tune. I have almost zero signal here. I'll post a sheet soon. Car made 6hp and 5tq at peak with ALL the parts (anyone wonder why Z1 doesn't show a before and after?) and 11hp down low. The car made zero between 4500-6500. The consensus is we improved the intake but his cats were holding us back for the exhaust. The owner is buying motordyne test pipes and coming back next week. We will pop off the mani and TB's and do it again. But like I said from the get go, 10 or hp is what we expected at this level of NA and for sub $1000. Over all the owner picked up 20/20 from tune and parts. For a NA in SAE this isn't bad!!! Went from 299hp to 319hp and 240tq to 260tq.

so the best gains were from the low bandsu nder 4500 and mediocre gains above 6500?

any reason why the 4500-6500 range was flat? i'm a bit confused on your 20/20 gains part... was this strictly from the ported or was this inculding a tune?

synolimit · 12-03-2014, 07:03 AM

Quote:

Originally Posted by mishuko

so the best gains were from the low bandsu nder 4500 and mediocre gains above 6500?

any reason why the 4500-6500 range was flat? i'm a bit confused on your 20/20 gains part... was this strictly from the ported or was this inculding a tune?

As I said in my reply you quoted, we believe we got good air in hence the 11hp increase from 2-4500 but the cats maybe killing us getting that air back out. We are not sure. Like I said also we will test this next week when the owner comes back with motordyne helmholtz test pipes and we reinstall his oem stuff and we do it all again. Also his 20/20 was his 1st or 2nd run vs his last. That means parts plus tune.

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