TC 4305 turbo opinions - Ford Mustang Forums : Mustang Forum
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post #1 of 1 Old 05-24-2010, 04:31 PM Thread Starter
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TC 4305 turbo opinions

Hey guys, bought a car last year with this turbo on a home made kit. Heres the specs i could round up on the interweb:

A/R ..70/.82
Compressor wheel dia.: inducer 2.30" exducer 2.75" (to4b-h)
Turbine wheel dia.: 2.5"
Compressor inlet: 2.5"
Turbine outlet: 2.4"
Standard T3 flange
Standard T4 backplate
S/N: 1819744C91-YFL06622-TC4305
Able to sustain up to 450hp @ 26psi

The compressor side has a 58mm wheel, 70 trim, .70 A/R,
the exhaust side is 57mm wheel, 76 trim and a .82 A/R

This is on a stock short block with im told an E303, GT40 irons, cobra intake and 42# injectors, and tuning with a SDS standalone.

I pulled the motor apart to check for what parts were in it, and to look for my detonation issues i was having at certain RPMs. Turns out the timing pointer was not correct, and was out in the ballpark of up to 20*. AFPR was pooched, and now i find the plugs are too hot. Anyhow, hopeing fixing these issues and starting over on the tune will get me going.

So, the turbo is tiny i realize that, but since i dont know alot about the specs, how far do you think it can go with this setup? I do plan on picking up a mp70 or something like that for later, to go with my ponydown hotside i have laying around, and redo the system once i get bored with the current HMT setup.

Thanks guys, Brian

-1982 Mustang GT, T5, 3.73s, EFI'd 408W, soon to be parted and retired
-1991 Notch, numbers matching 2.3l auto, all motor!
-2003 DSG Cobra, 2.8, intake, exhaust, tune, basics.
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