WebNov 4, 2010 · You can indentify them easily two ways - the GT40 heads have three virtical bars on the front of the head with a "GT" cast into the head just below the #1 exhaust and the P heads have four vertical bars and "GTP" cast into them in the same place. WebJan 29, 2024 · Here is the GT40 combination ready to run. With 0.040-inch head gaskets, the compression ratio was 10.0:1. We used Doug's headers for all the tests.
GT40P heads, what kind of performance do they give?
WebJan 25, 2004 · are stock 351w heads straight plug? cause the gtp40 have the same angle as stock 5.0 heads, meaning 5.0 headers will fit. all you would need is a custom y pipe cause 5.8 exhaust dumps straight down on the starter side cause it can, 5.0 exhaust dumps backwards at a slight angle to clear the starter, but the 5.8 is 1.4 inches wider so you … WebDec 19, 2024 · Fox Body Mustang Cylinder Heads. Trick Flow Cylinder Head Twisted Wedge 11R 190cc Intake 2.055/1.60 Valves Dual Springs 56cc Chambers Street Port … dict to string c#
351w with Gt40 Heads The H.A.M.B. - jalopyjournal.com
WebMar 25, 2024 · 4,322 Posts. #7 · Jan 27, 2024. Stev-o said: Well, it seems that my Mustang's 351W will need a valve job, it's been a good run! I'm thinking it might be a good time to get aftermarket aluminum heads, my buddy has them on his car. Going to get an estimate to rebuild mine, waiting on a number. WebFeb 1, 2009 · I also have my doubts whether or not the GT40 heads will create a power peak way up there. My supercharged 351W with considerably larger heads and a … WebFeb 23, 2012 · 668. Upgraded springs is a must, and the gt40p's are a vast improvement over the e7 heads of the later 5.0l, and higher performance than stock gt40 (non-P) heads. Basically they are the highest performing stock ford production head available for the 5.0l. People dump a ton of money into modifying the old 289 heads, or even 351w heads, … dict to string in python