My turbo A/R

[high c]

so after posting in the thread about how big turbos are, i got wondering what the A/R is on my turbo...it is an ihi rhb6 it is from a ISUZU MPR Truck 88-92, it says nowhere on it what the a/r is and i cannot find it anywhere on the internet...here is some info for those of you who know how to calculate A/r from figures...

The inlet is 2", outlet is 1.6" the wheel is about ~1.6" and the exhaust wheel is ~2.1"

here is what my flow maps look like:



dunno if i have the 406 or the 476


please help

[KillerCam282]

http://www.turbomaster.info/catalogo...hi&pagina=RHB6

I dunno, found this but its in spanish.

[high c]

ok so i just found this about my turbo:

"its about the same size as a t3/t4. will even bolt up to a t3/t4 exhaust manifold. about 20psi or so? i had the same exact turbo on my 2000rs before i went sc. i ran 9 psi no probs and was quite quick."

so anyone debate this? Or know what the A/r is on a t3/t4?

[91accordwagon]

the rhb6 was also used on the 85-87 thunderbird and the 90-93 ford probe so it's kindof hard to know which rhb6 your actually running (what year it was made that is) iHi is rather known for putting out some decent turbo's but running it to 20 psi would be insane. I'd say 14 tops, tops, I had a buddy with a rhb6 on his EF hatch ran it at 13 psi for a long long time without a prob.

[high c]

the rhb6 only came on that truck, the rhb5 came on probes and thunderbirds, i had one of them on my car last year it is WAY smaller...

thanks for the info tho