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Originally Posted by rodhog
I know in Aus there is on the Rx-7 S2 and S3 a air pump.
but THe main thing to look at might be early model Commodores about 83 or so. they had the air pump up untill about 86. All the carby ones.
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thank you very much.
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but I think over all with your ute not weighing that much anyway. Your better off with a more responseive turbo. It really depends how unresponsive your current one is.
With limited weight to move and well obvious lack of traction you should be able to keep it on boost with ease. I know few turbo Hilux utes that can't get on the throttle because the rear just kicks out.
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there isnt that much lack of traction. in the dry, only first has issues and second is geared how first should be... so when i sort out the gear ratios it will be fine to drive, its just the sliding aspect that i want to be controllable. and it just cant be without a much smaller unit (and less power) or antilag, so i'll try to make it work as it is. the goal is 500 - 550crank hp (ie, max the holset out) and drivable in all ways. that kind of rules out the small turbo option. though, if i have to, i'll drop back to the 300hp region just for skids :-)
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Most of the winding roads don't have long straights in them. So top end would not be a problem.
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i want both :-) or i'll throw a tanty ;-) and most of the roads i play on do have straights... they come between the corners. thing is that if i go small, i'll be able to boost high (25psi) in the mid range, but not till redline, so the torque curve will fall off bad as i back off the boost to avoid death of the turbo as the rpms rise. i'd rather run less boost than have a midrangy engine, the usa built v8 guys can keep them!