turbo-fever Posted December 11, 2015 Posted December 11, 2015 Can anybody help I'm trying to work out what is the maximum power a vf28 will make on a 5e setup ? There doesn't seem to be any on the leader board? Quote
turbo-fever Posted December 12, 2015 Author Posted December 12, 2015 Any info ? I have tried searching Quote
srferreras Posted December 14, 2015 Posted December 14, 2015 I have vf24 (similar turbo) 285whp 16psiApexi powerfc 5e 9.1 compressión 75mm265/265 speedvision camshaft Quote
funny onion Posted December 14, 2015 Posted December 14, 2015 (edited) Had a VF28 briefly on mine. was an absolute lag monster but pulled like a train when the boost eventually came in (4e though not 5e) I imagine it could make 300bhp depending on the rest of the set up, cams, ecu map, exhaust etc etc Edited December 14, 2015 by funny onion Quote
daniel_g Posted December 14, 2015 Posted December 14, 2015 A VF28 will make over 300bhp but you are limited to around 1.3bar area then its a bit sketchy, it might implode. Quote
Bean Posted December 14, 2015 Posted December 14, 2015 My mate has a vf28 on a forged 4e stock head. Its shown 338bhp on the dyno at about 1.5 bar. Quote
Gainzy Posted December 14, 2015 Posted December 14, 2015 Anything over 300 has got to be too much lol the power to weight ratio will be nuts especially with the 5E torque the Vf23 can run 20psi which is more than the 24 and will spool that bit quicker people seem to go bigger engine then bigger turbo I like to think the TD04 would be a better choice the 5E will pick the power up nice and quick all the power is good in a straight line but will become lazy on/off the bends! Quote
daniel_g Posted December 14, 2015 Posted December 14, 2015 My mate has a vf28 on a forged 4e stock head. Its shown 338bhp on the dyno at about 1.5 bar.Thats good going! A lot of the lads in the Impreza scene say 1.3 is about as far as they'll go. Quote
turbo-fever Posted December 14, 2015 Author Posted December 14, 2015 I was told it could get to 340 at 20 psi which is what I'm after Quote
Cathal Posted December 14, 2015 Posted December 14, 2015 I currently have a vf28 on my 5e. I dont think its as laggy as people say im in full boost at around 3500 rpm its only boosting .7 bar. The car is not tuned yet will b going for a map in mid january but pulls very well for small boost. Quote
Bean Posted December 14, 2015 Posted December 14, 2015 Thats good going! A lot of the lads in the Impreza scene say 1.3 is about as far as they'll go. yeah it maybe was running a bit high on the dyno day, there was a boost leak on the car before when it ran slightly less boost but we fixed it just before the power run and that what it ran. Quote
Phil Posted December 15, 2015 Posted December 15, 2015 An ej20 or 4g63 or sr20det will push s turbo harder at the same boost especially the bigger turbos whereas the 4e will only make that max boost for half the durationPhil Quote
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