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Well, engine is rebuild...

366 with AFR 205 heads, tfr-r regular intake, mild hydraulic cam, Si-trim blower with meth. Build AOD tranny with a 5500 converter.

The Si is making 11-12 psi at 6800-7000 rpm with the 6.87 and 3.33 pullies. Blower rpm's are at the vortech suggest limit of 52000.

I have a 8 inch crank pulley on the shelf, it would push the rpm's at 60500 for 7000rpm on the engine.

Some have done it ? Dont want to destroy everything again...:|
 

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I have ran the blower with 2.95 and 6.87 pulleys at 6500 rpm with no problems. Made about 15-16lbs.
 
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