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#10 Re: a15 head mods
Rezlo Posted on: 2010/9/4 19:59
Ye no kidding dodgeman,

Youll probably loose power with all those mods on a mild motor...

All you need to do to a A15 head is a nice port and some dual springs to make 150hp, doing massive work to the flow when your not aiming for big numbers generaly just reduces bottom end and mid range torque


#9 Re: a15 head mods
Dodgeman Posted on: 2010/9/3 17:27
Sounds like serious overkill for a street hack.

There are plenty of A15 powered race cars that make more than enough grunt to frighten the crap out of most people, that don't run valve sizes anywhere near that big.


#8 Re: a15 head mods
tommo73 Posted on: 2010/9/2 0:25
its in my work ute.
daily driven


#7 Re: a15 head mods
tommo73 Posted on: 2010/9/2 0:24
just having a play
running 40 mm dellortos and custom exhaust


#6 Re: a15 head mods
Rezlo Posted on: 2010/9/1 18:57
Thats quite serious work your doing there, what power are you after? 150hp+?


#5 Re: a15 head mods
orange-1200 Posted on: 2010/9/1 14:32
so what are the best specs to do to an a14/15 head?? as im looking into doing my head and you guys seem pretty switched on


#4 Re: a15 head mods
bige Posted on: 2010/9/1 11:16
35mm exhaust is a major mod (offset guides) EX will hit side of bores,will need to go big bore also (79mm +). cheers


#3 Re: a15 head mods
thedevilshands Posted on: 2010/9/1 9:36


#2 Re: a15 head mods
clyons8 Posted on: 2010/9/1 5:41
Tomo,

Did you get my PM about the exhaust flanges? Getting a small batch made up if you are interested, please reply asap. chris


#1 a15 head mods
tommo73 Posted on: 2010/9/1 4:36
rebuilding oval port head to put on my
a15
going up in valve size 40mm inlet 35mm exhaust,
bigger inserts,hi porting,bigger springs
maybe angle mill the head to get plug closer
to the center, angle mill inlet manifold
to correct manifold angle and to staighten inlet tract
looking for any ideas,sugestions
thanks tommo

did someone have pics of cutup heads??






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