Ford gt40 head flow specs

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August undefined, 2024

WebThe GT40P head is cast with slightly smaller combustion chambers than the GT40 head, but the valve size remains the same. The GT40P head also has a slightly different spark plug positioning than does the GT40 head. These changes may result in a small bump in compression ratio when using a GT40P cylinder head on a stock short block. WebMar 24, 2024 · FRPP Z2 Cylinder Heads For 289/302/351W SBF. Intake ports feature a unique “Velocity Vane” in port floor to direct airflow around the valve stem – that leads to …

How do the GT40Y aluminum heads stack up? Ford Mustang …

WebNov 15, 2024 · At 485 bhp (the NASCAR version produces 520 bhp) it produces only 69 bhp/liter, far below the 100 bhp/liter now achieved almost routinely in high performance engines. It runs about 2000 rpm slower... WebMay 6, 2013 · Ray suggested that the throat should be 85-90% of the valve size, so I cut down an intake valve to 1.65, and an exhaust valve to 1.33 then dropped them in to see how they fit. Logged. 1990 Red LX, 306, 80MM, ported gt40's, ported explorer upper accufab longtubes, 3" exhaust, 4.30's, 336/331. sunshine 33

The Most Complete GT40 Intake Information Page

WebDec 21, 2012 · I don't have any experience with the Windsor Jr, but it looks like they would be my choice on an N.A. engine compared to the GT40; smaller combustion chamber (higher compression) & more flow than the GT40, Explorer or Cobra versions. Note: Ford head combustion chamber & port specs are variable, these are averages. WebOct 26, 2008 · The Y303 SVO head is the one used on the 320HP crate motor sold by Ford before they started putting the X303 head on them and selling them as 345HP motors. They have the same valves and springs in them as the X head 1.94 intake and 1.54 exhaust valves. The springs will run out of gas at about 5600 RPM's. WebOct 1, 2004 · 38,102 Posts. #4 · Sep 29, 2004. Sounds like you've figured it out - the heads are the LEAST aggressive aluminum head for the 5.0L. They flow just a tad better than GT40 irons, or GT40P's. Unless you're going to port them, or you simply want to lose 50 lbs. of engine weight (my reason), almost any other aluminum selection flows noticeably better. sunshine 325

How do the GT40Y aluminum heads stack up? Ford Mustang …

Ford gt40 head flow specs

What Are The GT40 & GT40P Heads? - LMR.com

WebNov 23, 2016 · Here’s an old article from Super Ford’s GT40 intake shootout ... Engine. Next article Old Classic Graphics on the Foxbody Mustang. You may also like. GT-40 Heads For Your Fox Mustang. April … WebThe 1993–1996 GT-40 cylinder head, F3ZE-6049-AA, used in the Mustang SVT Cobra and Lightning F150 pickup, was a modest improvement over the E7TE-PA casting thanks to smaller 60–63-cc chambers and larger 1.84/1.54-inch valves. It can be identified by the three vertical ribs cast into each end of the cylinder head.

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WebJan 6, 2024 · These cast piston short-blocks are not quite as good as the forged piston 5.0L that came in Fox-body Mustangs, but the GT40P heads flow much better than earlier 5.0L heads. In addition, the... WebApr 16, 2024 · 65mm edelbrock bbk throttle body, gt40p mid length headers Motor is a low mileage 306 short block with L2482F forged pistons trans is currently a c4, considering a aod swap. Going into a 73 mustang. Been mostly considering a b303 with stock 1.6s or the stock 5.0 HO cam with 1.7 roller rockers since it seems the specs are close.

WebApr 13, 2004 · Ignoring the 256ci engine, the original 289 engines were the proven competition engines from the Cobra program. The Gurney-Weslake heads were used by JWA starting in 1968 (according to Legate). The only specs I can find right now say compression ration was 10:1 and the engine made 380 bhp@6500 RPM. No indication … WebSTEP 3: Position the new cylinder head gasket over the guide dowels on the engine block. Installation of new guide dowels may be needed. STEP 4: Install the GT-40 heads on …

WebFeb 18, 2011 · The GT40's have 1.85"/1.54" valves, GT40P's have 1.85"/1.46" valves, and the stock E7TE's have 1.78"/1.46" valves. Based on that information, I would expect the … WebOct 17, 2003 · AFRs are prime examples of this principle. They have, not only smoking high lift numbers, but really good low lift numbers as well. That's why you can see Car Craft use a cam that only has a lift of .476 and make 400HP at 6200RPMs. The AFR is already flowing well over 200 CFMs at that lift. 1979 Indy 500 Pace Car.

WebJul 1, 2006 · Over the years, we've tested many great cylinder heads and have become used to gains of 50, 75, or more horsepower compared to low-performance factory castings, but the Air Flow Research 165cc smog-legal heads we tested on this small-block Ford may take the prize for the best bolt-on performance gain we've ever seen from a set of heads.

WebAug 29, 2007 · The formula your talking about looks like this. (desired inches of H20 x pressure heads were tested)^.5 = flow percentage. you take the flow value at 28" H2O and multiply by that flow percentage you arrived at. example : you test heads at 28" H20 and … sunshine 38 dlWebJul 10, 2014 · F1ze and F3ze GT40s should all be 64 cc +/- 1 cc, including those that came on a '93 Cobra. The 60.6-63.6 cc number that gets tossed around is for the stock e7 heads as per the preliminary draft copy of Ford's Manufacturers Motor Vehicle Specifications for model year 1993 Mustangs, issued June 15, 1992 and revised October 30, 1992. sunshine 38on credit cardWebFords GT40P. Exhaust Port. Home. The P head exhaust port has a lot of sharp edges and can really benefit from just a little grinding. A word of caution though: just behind the … sunshine 36