Single Turbo RX-7's Questions about all aspects of single turbo setups.

T3/T4 too small?

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Old 10-26-07, 10:13 AM
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T3/T4 too small?

Looking at a turbo available in my area...

"It has a ported and polished inlet bell, polished intake housing, and comes with an adjustable wastegate.

A/R is .60/.63 Hot/Cold. "

He wants $350 neg.

At what kind of (ballpark) numbers would this become too small for a 87 6-port NA thats going to be rebuilt, maybe minor porting? Car needs to stay streetable, so I figured this may be a decent option... I know I'm leaving a lot of variables, but I've barely started in on the motor, so I haven't decided on aiming for anything! Open to suggestions, and lotsa info! thanks!
Old 10-26-07, 10:39 AM
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Too small, you'd be better off with a TII stocker.

~Mike................
Old 10-26-07, 02:02 PM
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I thought the stocker was around a T3 size? Must be my mistake. thanks!
Old 10-26-07, 02:19 PM
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a turbine that size would worry me on a rotary. my opinion: you'd be asking for trouble. stock turbo or maybe something like a 60-1.
Old 10-26-07, 02:22 PM
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Your tittle says t3/t4 which is a hybrid, t3 turbine and t4 compressor. The stocker's turbine is equivelant in size to a t3 and its compressor is yes close to a t4. The turbo you described even though you listed no trim levels I know already is too small due to the A/R values you listed (way too small turbine A/R regaurdless of the trim, and the compressor A/R although not as critical I know that only small trim compressors come with such a lame A/R, so its a small trim compressor). The answer is NO, its too small, let some Honda guy buy it.

~Mike............
Old 10-26-07, 04:16 PM
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yeah that thing would be better on a single cam civic or something
Old 10-26-07, 04:29 PM
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way too small.
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