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

FYI, base vs final tune on dyno day in their weird correction factor. Also my new CAI and tune here. Their dyno did have a dynojet correction factor setting. Base

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Old 09-15-2014, 05:33 PM   #271 (permalink)
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FYI, base vs final tune on dyno day in their weird correction factor. Also my new CAI and tune here.



Their dyno did have a dynojet correction factor setting. Base DJ factor...



Final tune DJ correction factor...if their DJ factor really is like a DJ like I was on today then that's why the TQ are both mid 240's. But then where did my HP go??!

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Old 09-15-2014, 05:43 PM   #272 (permalink)
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That seems very lean to me. I am not surprised there is no gain.
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Old 09-15-2014, 05:52 PM   #273 (permalink)
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That seems very lean to me. I am not surprised there is no gain.
Keep in mind the tail pipe sniffer is 0.5 leaner at IPS (proven with ecu hooked up to lap top showing widebands) then the OEM front wide bands where the car was tuned off of. The tuners dyno is 12.5ish with his tailpipe sniffer. IPS just must be old. It's not like the car went back to stock (I've heard it happen to some other 13 on here and the before was rich, not lean).

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Old 09-15-2014, 09:55 PM   #274 (permalink)
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just more proof that all bolt ons will yield similar results and the only true bang for your buck is FI. These cars are pretty solid at stock and the simple bolt ons only give decent gains, but nothing jaw dropping.

my experience - Injen SRI intakes, 2.25" exhaust (kinetix HFC and invidia CBE) vs Stillen g3 CAI, 2.5" exhaust (Art test pipes and E370) yielded identical dyno results. give or take 1-2hp.

i wish you had better results, due to the effort you put in =[
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Old 09-15-2014, 10:38 PM   #275 (permalink)
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Originally Posted by G37Some View Post
just more proof that all bolt ons will yield similar results and the only true bang for your buck is FI. These cars are pretty solid at stock and the simple bolt ons only give decent gains, but nothing jaw dropping.

my experience - Injen SRI intakes, 2.25" exhaust (kinetix HFC and invidia CBE) vs Stillen g3 CAI, 2.5" exhaust (Art test pipes and E370) yielded identical dyno results. give or take 1-2hp.

i wish you had better results, due to the effort you put in =[

I'm kind of agreeing with you but in his case , I wouldn't.

why

because at this point we aren't talking about just bolt-on parts but custom wok.
Which mean it needs to be tested and tested again with different part.
He is finally seeing what it is to be testing some theory on the VHR.

There is a reason why someone is going N/A and your argument isnt all that valid because F/I can not be an option.
so what he is doing is actually helping others to see some result and not make the same mistake.

His setup isn't perfect but he will get closer....
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Old 09-16-2014, 01:52 AM   #276 (permalink)
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Maybe your car wasn't tuned correctly??? 0.o (don't quote me on this I'm no Tuning Guru) but porting means more air so more air requires more fuel? I've been following your project since day 1 and I Believe Your Project is Capable of Pushing WAYYY MORE than that.
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Old 09-16-2014, 01:55 PM   #277 (permalink)
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Originally Posted by G37Some View Post
just more proof that all bolt ons will yield similar results and the only true bang for your buck is FI. These cars are pretty solid at stock and the simple bolt ons only give decent gains, but nothing jaw dropping.

my experience - Injen SRI intakes, 2.25" exhaust (kinetix HFC and invidia CBE) vs Stillen g3 CAI, 2.5" exhaust (Art test pipes and E370) yielded identical dyno results. give or take 1-2hp.

i wish you had better results, due to the effort you put in =[
I don't think that's fair if the test cars having issues. Have you seen a 370 get tuned and produce zero power? I gained during my tune on the other dyno. Just didn't gain any coming back to IPS dyno a year later. If someone's local I'll be more than glad to use there car to add parts to and show what happens.
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Old 09-16-2014, 02:00 PM   #278 (permalink)
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Originally Posted by megalapagas View Post
Maybe your car wasn't tuned correctly??? 0.o (don't quote me on this I'm no Tuning Guru) but porting means more air so more air requires more fuel? I've been following your project since day 1 and I Believe Your Project is Capable of Pushing WAYYY MORE than that.
Car was tuned for everything that's on it now. I don't see tuning an issue. There's no knock and AFR seems ok around 12.8 per the ecu (don't go off the sniffer). If it's not my setup then it can only be a few things. Dyno changed in a year, the gears where different, or something I'm not seeing. I'm thinking about going back to the exact same CAI as a year ago and retune.

fYI, traction control and YAW being off don't matter do they?
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Old 09-16-2014, 02:26 PM   #279 (permalink)
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Post the UpRev fuel tables.
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Old 09-16-2014, 02:32 PM   #280 (permalink)
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So dyno is saying you gained absolutely nothing? That's hard to believe.
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Old 09-16-2014, 05:06 PM   #281 (permalink)
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Post the UpRev fuel tables.

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So dyno is saying you gained absolutely nothing? That's hard to believe.
I know. I can only blame the dyno. I can't see anything else at this point. Or maybe gearing.
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Old 09-16-2014, 05:47 PM   #282 (permalink)
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Do you have stock gears? And did you have stoxk gears last dyno? And isn't our closest 1:1 ratio in 5th?
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Old 09-16-2014, 07:16 PM   #283 (permalink)
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Do you have stock gears? And did you have stoxk gears last dyno? And isn't our closest 1:1 ratio in 5th?
Yes. Yes. Yes.

I meant gearing as in did both dyno operators use 4th. I'm like 99% sure but still.
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Old 09-16-2014, 08:43 PM   #284 (permalink)
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Do you have stock gears? And did you have stoxk gears last dyno? And isn't our closest 1:1 ratio in 5th?
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Originally Posted by synolimit View Post
Yes. Yes. Yes.

I meant gearing as in did both dyno operators use 4th. I'm like 99% sure but still.

Bananaz has a point there but Synolimit if you are certain both operator did it in 4th , great.

I just want to point out what could happen with a couple example on a Hub dyno and dynojet from my last dyno test day with the VHR engine in 2011.


Hub dyno ;
1 pull in each 4th & 5th gear with the same FD ratio.




and on a dynojet ;

5th gear = 320 whp *average*


4th gear = 311 whp *aveage*
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Old 09-16-2014, 09:31 PM   #285 (permalink)
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Damn. So even if it was the wrong gear it's only 9hp. Still missing some. Going to drive me crazy.
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