Kosij Donating Members 2,045 Member For: 13y 6m 7d Gender: Male Posted 14/09/12 01:16 PM Share Posted 14/09/12 01:16 PM As the title says, I'm wondering what is it Excatly that makes a car require less boost then the next one running the same power figure?Example my ba has80lbsFull x force 4" dump & catTwin 2.5" catback Valve springsTurbo intakeWastegate mod & actuator Rapid intercooler2.5" hotside And with these mods I made306rwkw on 15psi and322rwkw on 17psiI would have thought the intake was great and exhaust free flowing....been told the easier an engine breathes the better power is achieved. I see different cars with less mods running more power but less boost!!! Is it all in the tune or does the engine and it's age/klms play apart? Link to comment Share on other sites More sharing options...
JETURBO ...JD TUNING ADELAIDE... Gold Donating Members 23,708 Member For: 16y 8m 17d Gender: Male Location: Adelaide Posted 14/09/12 01:23 PM Share Posted 14/09/12 01:23 PM Flux capacitor is the main item Link to comment Share on other sites More sharing options...
Kroozin Menace Donating Members 1,990 Member For: 13y 9m 27d Gender: Male Location: Sydney Posted 14/09/12 01:25 PM Share Posted 14/09/12 01:25 PM pingtune had my car runnin 17lb to make 322 but I only had a monza, cat and 60lb inj. 1 Link to comment Share on other sites More sharing options...
JETURBO ...JD TUNING ADELAIDE... Gold Donating Members 23,708 Member For: 16y 8m 17d Gender: Male Location: Adelaide Posted 14/09/12 01:29 PM Share Posted 14/09/12 01:29 PM Whose tuning it lately ? I seriously cant see why that combo isnt making plus 350 easy Link to comment Share on other sites More sharing options...
Kosij Donating Members 2,045 Member For: 13y 6m 7d Gender: Male Posted 14/09/12 02:23 PM Author Share Posted 14/09/12 02:23 PM (edited) A reputable place! Autotech they do some good cars and tune has never missed a beat, just stumps me as to why it needs 17psi to make that! And will a new gtx3582r even help lower boost? That's why I'm wondering what is it that makes these beast faster with less boost AND 344rwkw on E85 17PSI Edited 14/09/12 02:24 PM by Kosij Link to comment Share on other sites More sharing options...
Kroozin Menace Donating Members 1,990 Member For: 13y 9m 27d Gender: Male Location: Sydney Posted 14/09/12 02:30 PM Share Posted 14/09/12 02:30 PM What reason did they give ya? Link to comment Share on other sites More sharing options...
Worm A much better forum Silver Donating Members 3,808 Member For: 16y 6m 25d Gender: Male Location: Victoria Posted 14/09/12 09:10 PM Share Posted 14/09/12 09:10 PM Ran it down the 1/4? Could be the dyno... 1 Link to comment Share on other sites More sharing options...
Henz Tampon inserted, Auto Acquired, next purchase a new handbag Donating Members 9,946 Member For: 16y 10m 28d Gender: Male Location: Vic Posted 14/09/12 09:18 PM Share Posted 14/09/12 09:18 PM Could be the stall robbing power? Could be tired? Link to comment Share on other sites More sharing options...
Kosij Donating Members 2,045 Member For: 13y 6m 7d Gender: Male Posted 14/09/12 11:28 PM Author Share Posted 14/09/12 11:28 PM No, with the standard box on 17psi E85 344rwkw it ran 11.8 at 120mph! So power figure is about right And at 306rwkw 15psi on pump it ran 12.5 at 115mph.Both times with standards box NOW I ran 17psi with E85 NEW BOX AND STALLY 12.1 116mph...Just wondering what it is that makes these cars require less boost then others Link to comment Share on other sites More sharing options...
GTEXXED Banned Banned 910 Member For: 12y 6m 28d Gender: Male Posted 14/09/12 11:36 PM Share Posted 14/09/12 11:36 PM What ethanol content was in the E85 you used? Link to comment Share on other sites More sharing options...
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