spat vxr
Member
Registered: 20th Nov 06
Location: Nottingham
User status: Offline
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hi i have got a c20xe in a corsa b, high lift cams group N ecu at the minuet im going to do a full engine rebuild and im having my crank lightened and fitting an alloy flywheel fitted also looking at fitting twin 40 carbs aswell will the gains for the carbs be big what sort of power increase do i get by running carbs.
Thanks 
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Jed D
Member
Registered: 15th Mar 11
Location: Durham
User status: Offline
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couldn't tell you tbh but what carbs you going for? sounds good to me
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philip2
Member
Registered: 1st Oct 06
Location: n.wales/chester
User status: Offline
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wasting time on 40s, too small, 45mm webers or go for zx6r bike carbs or r1 carbs if going to run some decent lift cams.
and what do you class as a full rebuild btw?
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corsadonk
Premium Member
Registered: 4th Jul 09
Location: Marlborough, Wiltshire
User status: Offline
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Yeah you want 45's. They fitted 40's to 1.3 Nova's
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Gary
Premium Member
Registered: 22nd Nov 06
Location: West Yorkshire
User status: Offline
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Heard anywhere between 180-200bhp depending on other mods.
Why not just go throttle bodies instead?
More money, but more power!
Carbs need fucking about with all the time too. And MPG will be wank
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philip2
Member
Registered: 1st Oct 06
Location: n.wales/chester
User status: Offline
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more power is bollox...you get the same peak power but gain more mid range with tbs.
also carbs dont need playing with all the time, its all down to how good the carbs are and the person setting them up.
ive ran xes with 45s, r1s and tbs all been very good.
pound for pound bike carbs are ones to use. give better mid range than 45webers and mpg too and cheaper to get hold of. ive built an xe on rods/pistons, ported head, r1 carbs, tle exhaust and 270 newman cams and made 190bhp@wheels in a westy at 6.5k.
lad had his mk2 grp4 escort on mates rollers week after, 45s, solid lifted, dry sumped, etc 197bhp @wheels at 8.3k! proves theres no need to rev tits out of them to get good power
[Edited on 18-06-2011 by philip2]
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