WebJan 23, 2005 · 4. Flow numbers are similar, but in un-ported form the GT40P should make slightly more power depending on your combination. 5. The exhuast ports on the GT40P heads are revised and more efficient than the regular GT40 castings. The smaller valve size is more effective. 6. WebOct 22, 2011 · Port #2 and 7 exhaust flow numbers Heat transfer port plugged at intake.1 - 51.2.2 - 99.2.3 - 131.4.4 - 128.5 - 129.8.6 - 128.7 Heat transfer port plugged with …
Engine Getting my GT40 Intake ported, to Keep EGR or …
WebAug 4, 2014 · The GT40 valve sizes are 1.85/1.54 for the intake and exhaust, while the GT40P went to a smaller 1.46-inch exhaust valve. There were other changes to the GT40P, … WebJan 18, 2009 · They flowed [email protected], [email protected], [email protected] on the intake. (stock E7TE flows [email protected], stock GT40p flows [email protected]) Exhaust flowed [email protected], … opticians in walton on thames
Port & Polish 95 Stock Cobra GT40 cast iron heads or...
WebIt flows 380+ cfm with a 45 degree valve job. Designed for 2.250 Intake 1.810 Exhaust Valves. New Castings Available. Max Wedge 77939 Flow Sheet CNC Porting $1400.00 Edelbrock Victor 77919 Big Block We took the Edelbrock 77919 and port it to Max Wedge Specs. It flows over 400cfm with a 50 degree valve job. 45 degree also available. WebSep 22, 2010 · Here is flow data on the GT40 family of intakes that were ported without getting crazy and doing a lot of welding/high level mod work. These are stock pieces ported within the limits of the stock castings. 240-250cfm for bothh upper and lower are the norm. WebAbout Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ... opticians in wallington surrey