Ported gt40 flow numbers
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. WebMay 22, 2009 · I honestly think you could get a 12.9 with ported stock heads pretty easily. A mild cleanup of the ports on the GT40P's, plus a decent cam (not the E cam, something dual pattern like the TFS1), and the GT40 based intake could get you in the 275 RWHP range and mid 12's with no problem. Grab some gears if funds allow.
Ported gt40 flow numbers
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WebDec 1, 1999 · Best of all for vintage Ford owners, the new heads bolted right on top of 289, 302, and 351 Windsor engines, so all of a sudden we went from digging through junk … WebMar 12, 2008 · as far as I know the Explorer GT40P and cobra GT40 heads are flowing almost identical intake port and exhaust ports, the GT40P has about 10% more flow and therefore makes more HP. The downside of the GT40P is that the spark plug holes are at an awkward angle and they special headers to fit.
WebStock air flow on this head tops out at 190 cfm intake and 128 cfm exhaust. When “ Undercover Ported “, the GT-40 head will flow 202 to 210 cfm intake and 145 on the … WebMay 29, 2007 · tmoss do you have the fow number for the gt40p ported heads intake and exhuast tmoss said: E7s in well done heads will flow 210-230cfm maxed out. What you do …
WebAug 3, 2004 · If you fig. in the going price of gt40 heads and the porting then it would come in at about 900$ range. Thumper said over 230 on the intake side, So I would guess comparable to what other heads flow at that level on the exh. as there has been alot of good work there. But I realy have no idea what the exh. flows maybe thumper can jump in and … WebAug 4, 2009 · Port and Polish 213.29 Intake +19.12 CFM 163.35 Exhaust +24.02 CFM http://www.castheads.com/ford_gt_40.php These guys are charging $1,000 and I matched the intake flow and beat the exhaust flow. This is also with stock valves without any valve …
WebDec 19, 2024 · Ultimately, when people have ported their E7s they’ve been able to achieve between 20 and 40 horsepower, which is, once again, nothing to sneeze at and about as …
WebJul 13, 2005 · The intake port flows 235ish cfm with a 1/2 in. radius, but with the intake manifold attatched it drops flow to about 215 cfm. The intake manifold by itself flows about 220 cfm. The intake manifold ports are quite small and round. Should I be more concerned with the length of the runners or is my flow issue something that is definitely robbing ... curated destinations travel groupWebThe GT40 and GT40P are two different sets of castings for four-cylinder Explorer/Mountaineer heads. The GT40P has smaller chambers, so it is a bit tighter than the GT40, although we do not recommend using the GT40P heads on a high compression build. The flow numbers for both heads are the same. curated editionWebFeb 12, 2009 · The 243 heads as used on the LS2 motor flow at 260 CFM on the intake. LS6 243s (CNCed) with sodium filled valves flow a little better at 280 on the intake. The stock 241 head flows at 220 on the intake. Either head is a considerable improvement. You can not achieve these numbers by porting 241 heads. curated drawer chest by universalWebAug 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, … curated environmentsWebDec 23, 2006 · Flow number are my best guess after talking with several people who port gt-40x heads regularly. Intake: 270 cfm at .550" lift Exhaust: 170 cfm at .500" lift The heads were hand ported by a well known nascar guy in Charlotte. I asked the machine shop today and he can't recommend anyone in Jacksonville, FL to flow test the heads. easy designs for kids to drawWebJan 26, 2024 · Bigdogs ported GT40 flow numbers LIFT IN EXH .100 82 65 .200 146 118 .300 191 144 .400 225 160 .500 232 177 .600 234 182 No too bad for an old head if you ask me. Should drive really well and be easy to tune while putting an SN95 solidly in the 12's. The draw back is I cannot use the heads on my 363, but the intake is usable. easy designs for nails step by stepWebNov 23, 2016 · This intake will need some modifications, namely the ACT sensor and EGR passage. Part number would end in BB, something like RF-F87E-9K461-BB. Ford Lightning Lower. Unless you have a 351 in your fox, … curated dates