North American Turbocoupe Organization

IHI or T3/T4?
Chad88TC Offline
What is the difference between these? I have a '88 TC and I think the IHI is great!
It's got 80k miles on it and I put a adjustable vale in it and it just flys. I need a good flowing exhaust now, but it seems like a 14 sec. car now.
'88 Black, K&N on VAM, Holset HY35, ported E6, 2.5" single cat-back w/dynomax muffler, gillis, RR cam, TA cam gear, Bosch BPV, Stock IC, Walbro 255HP, Kirban AFPR

Pete D Offline
Chad, I liked and still like the IHI, even though I have gone to a T-3 on the project car. No T-3 will give you the instant spool up of the IHI (once you have a good exhaust system w/ 3' downpipe) Yeah the IHI can't make the power of a T-3 or hybrid and it runs out of steam around 5500 rpm. Mine ran a documented 15.144 and undocumented 15.06, making about 235 crank HP. If I knew how to drive I'm sure it could have broken 14. When I get the time, I'll probably see how far I can take my daily driver on it's IHI. My choice would be do the exhaust system first and see how you like it. Then upgrade the turbo later if you feel the need

88 TC X 2, 86 SVO, Main TC with K&N, 3"DP to 2.5"duals through Dynamax, Ric valve at 17+ and disconnected KS.
Elite Bodega 16" chrome wheels. Autometer pod w/ A/F and Vac/boost gauges. New engine: Total Seal rings and TRW pistons, ported and polished head w/ cc'd chambers,1.59"exhausts, SS valves, gutted upper, knife edged lower, A-230 cam, Race Engineering Adj Cam Sprocket, Crowlers, ARP head studs, and rod bolts. Walbro 190 pump and T-3. Centerforce II, KB subs and jack rails.
Pete Dunham


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