Saleen in 1995 was where Ford Australia was in 2002. Alloy heads with flowrates worse than the better 2V Cleveland heads and far worse thsn the worst 4V Cleveland heads...they were rolled out but then Ford decided to recant on a full supply of factory aluminums, there were a range of new and better induction, stroked out over five liter V8 options emerging. Calibrations exist right now for Edlebrock headed 5.0 , 5.8 and 331/347 strokers.SEFI maps were done at Ford USA by Jack Roush early on, then Ford opted out during the turbelent OBDIII on star style debate after operation Desert Storm. The Cammers then got all the development.
The whole aftermarket calibrations for 5.0's with cams was taken care of by the supply of Lightening 90mm MAF's.These advances allowed Ford Australia to fix the dreadfully restrictive GT40 intake and heads that flow less than a factory 1976-1983 4bbl Cleveland manifold and a set of 2V Cleveland heads.Ford decided not to do s concurrsncy horse race with a pushrod 5.0 verses a quad cam 4.6, 5.0,5.2 or 5.4.Stay with what you have, and make the little SEFi sweeter than a five sugar coffee!
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