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Zoomschwortz · 01-31-2009, 02:49 PM

I've been collecting parts for my 68 Fastback Mustang mid life crises car. So far I have a T-56 6 speed, Global West tubular suspension and EFI 5.0 with a Kenne Bell Blowzilla/Flowzilla Twin screw blower.

I have always liked the Airflow Research cylinder heads and notice that they are now making the AFR185 head in a 72cc chamber.

72cc would put the stock forged piston engine in the area of 8.12 compression and I'm thinking about running a Comp Cams XE274 cam.

This is my question

How much boost can I safely pump into my engine while running 92 octane gas?

Thanks
Ken

01-31-2009, 02:49 PM	#1
Zoomschwortz I'm back Join Date: Nov 2008 Location: Washington State Posts: 470 Trading: (3)	Any motorheads know about blown engines? I've been collecting parts for my 68 Fastback Mustang mid life crises car. So far I have a T-56 6 speed, Global West tubular suspension and EFI 5.0 with a Kenne Bell Blowzilla/Flowzilla Twin screw blower. I have always liked the Airflow Research cylinder heads and notice that they are now making the AFR185 head in a 72cc chamber. 72cc would put the stock forged piston engine in the area of 8.12 compression and I'm thinking about running a Comp Cams XE274 cam. This is my question How much boost can I safely pump into my engine while running 92 octane gas? Thanks Ken