jeffrosie Posted March 13, 2016 Posted March 13, 2016 Will the 5E head on a 4E block make any difference?Are the cams slightly more lift?Guess the valves are the same.Inlet and exhaust ports any bigger? Quote
5e colin Posted March 13, 2016 Posted March 13, 2016 only if its a 5efhe head then small gains will be had by the 5efhe cams other then that no gains as heads are the same Quote
jeffrosie Posted March 13, 2016 Author Posted March 13, 2016 OK tks mate for the info. Thought that the 5E would have higher lift cams.What about the turbo cams? Quote
5e colin Posted March 13, 2016 Posted March 13, 2016 4efte and 4efe and 5efe use the same cams !!! our so called turbo heads are just plain na heads with stiffer springs thats it Quote
jeffrosie Posted March 13, 2016 Author Posted March 13, 2016 Lol ok. Toyota in their infinite wisdom didn't make specific turbo/performance heads for these models like they did for the 3S and 1/2J engines Quote
5e colin Posted March 13, 2016 Posted March 13, 2016 nope as our engine is a eco based engine thats why we get really great milage out of them this was state of the art when this was designed in the 1980s Quote
jeffrosie Posted March 13, 2016 Author Posted March 13, 2016 So true. just imagine the potential if there was a GE head on these.The 4E-GE would have been 120 brake minimum as stdThe 4E-GTE would have been 170 brake minimum as std. Quote
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