Bigger TB with turbo
#1
Bigger TB with turbo
I've got an A20A3 engine in an '87 Prelude. I was considering going turbo and I'm weighing all my options before I go spend-happy.
Some people with the A-series engines have gone and installed B-series intake manifolds (namely, B16 manifolds). They say it's good for a few more HP in the higher ranges, but it slaughters torque down low.
I was wondering how this would affect a turbo car? What would be the difference between stock small TB/runners and a B16 intake manifold with a low-boost car? I'm thinking 7-10 lbs at the max.
Some people with the A-series engines have gone and installed B-series intake manifolds (namely, B16 manifolds). They say it's good for a few more HP in the higher ranges, but it slaughters torque down low.
I was wondering how this would affect a turbo car? What would be the difference between stock small TB/runners and a B16 intake manifold with a low-boost car? I'm thinking 7-10 lbs at the max.
#4
Re: Bigger TB with turbo
B series mani fits with a little grinding of the flange and two extra holes drilled. Not much work at all.
So I won't feel the bog effects that would normally occur with a N/A build and the B16 mani?
So I won't feel the bog effects that would normally occur with a N/A build and the B16 mani?
#6
Re: Bigger TB with turbo
Originally Posted by Secondaries
B series mani fits with a little grinding of the flange and two extra holes drilled. Not much work at all.
So I won't feel the bog effects that would normally occur with a N/A build and the B16 mani?
So I won't feel the bog effects that would normally occur with a N/A build and the B16 mani?
Fi creates so much extra torque you have nothing to worry about
#7
Re: Bigger TB with turbo
Originally Posted by Ogubudiah
I don't think that is an issue if the b series tps is calabrated to A20 spec...
It's cheap enough that I'll consider just doing it to see what gains are like. I'm going low boost anyway, 7-10 psi probably, no more.
#9
Re: Bigger TB with turbo
Originally Posted by chris
well if you worried about velocity a factory rebored throttle body and a nicely ported factory manifold is the best of both worlds
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