WebAug 19, 2016 · The as-cast port dimensions (170cc intake and 66cc exhaust) compared very favorably to the stock E7TE 5.0L head castings. The TFS heads generated peak flow numbers of 250 cfm (intake) and … WebOct 1, 2007 · While Ford suggested we make do with a 1.78/ 1.46 valve combination in the stock E7TE heads, the TFS-R heads offer 2.08-inch intake valves and 1.60-inch …
As Cast-Still Fast: Twisted Wedge Head Test - Street Muscle
WebOct 25, 2000 · The reason for wanting to use them is to eventually upgrade to EFI. ScottJ429. 2,043. Nov 24, 2005 #2. Their max flow rates are about 330/200 with large valves. This is enough flow to support some 650 HP in an ideal combo. They require unique intake and exhaust manifolds and utilise center bolt valve covers. WebThe home ported 351 Windsor heads, with stock 1.84"/1.54" valves, showed impressive gains. Some of this is surely due to this being the second set of heads I ported. The … fitted scrub jacket
How to Add Nearly 100 HP to a Free-Breathing Ford …
WebDec 6, 2016 · My experience porting E7TE heads has been along the lines of basic and safe (ie doesn’t find water). This has meant, at most, installing 1.94 intakes and 1.6 exhausts blending the seats into the port bowl, skinnying the guide boss some and there you go flow up from about 155 at 0.500 to about 190 with a similar increase on the exhaust. WebAug 29, 2007 · E7TE 59 114 144 156 156 '69 351W 52 103 149 174 183 289 50 97 127 156 165 GT-40 (Y303) 64 114 167 199 213 GT-40 (X303) 53 114 170 207 226 ... Its all in the … WebFeb 4, 2013 · The 1985 'E5AE' or 1987-1995 'E7TE' heads (which are virtually identical) would be a better choice if you are limited to stock type 5.0L heads. If a choice between the 289 and the 86 5.0L heads I would go the the 289 heads. The E5 heads are different from the E7's. The E5 has 69 CC chambers and very restrictive exhaust ports. can i end software reporter tool