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#1 | |
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I don't see this piston dish spec or any other as any real issue. Ford will submit it and NHRA will accept it. These are really cool cars and they guys that I talked to Jimmy Ronzello and George Wright are nice guys and dedicated racers. I don't agree with the hp factor and class they are in, but I can't blame those guys for that. I think the guy that got "jobbed" in teardown for stock was Tim Bishop. They couldn't read the entire number on his piston. He pulled a piston and rod. It weighed right, measured right and looked right. I would agree this would be something that should be reviewed, but that is what the big guy is there for at Indy right? I would have thought if a couple of senior tech guys said it was right, but they can't verify the # but it was clearly legal, the Head NHRA tech official would be able to make a call that would make sense. I guess he only flies out from California to eat the catered food and sit in the tower. I didn't hang out in teardown, but I did talk to a couple of SS guys. One had a set of Manley rods that were not marked and was tossed and one he a chunk of epoxy that fell out and as luck would have it, that was the runner they checked!
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James Schaechter 3163 STK Last edited by james schaechter; 09-06-2009 at 09:46 AM. |
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#2 |
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Being a Ford mechanic, these DOHC supercharged motors are definately no fun to take apart, and likely something you are not going to have time to pull down between rounds.
You don't NEED special tools to time these, but it does make life a LOT easier. Getting a head off a 4.6 SOHC in chassis is not a real fun task, I can't imagine a 32v motor in that chassis. Only 32v motors I've torn apart have either been in a Navigator, or on a stand. |
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#3 |
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Those things make my Firebird look easy. I don't envy them. I pulled the engine this weekend to replace the valve springs.
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Ed Wright 4156 SS/JA |
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#4 |
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#5 |
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The cam gears on these engines are not keyed, so you have to use a set of special locks to position the 4 camshafts and the crankshaft and them you torque the canshaft sprockets on, the camshat and sprockets are a tappered fit. OTC makes a master kit thats does most Fords but the DOHC need another kit that is also by OTC around $300.
Chris |
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#6 |
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Man thats a lot of work to change some springs! I changed mine on the car on my '97 and it was not to difficult but they were stocker springs.......If I had SS type springs it would be a lot tougher but I'd find or make a tool to remove them before I pulled the engine.
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Rich Biebel S/C 1479 Stock 147R |
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#7 |
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Somebody named "Voth" posted, about Fords, "their racing products have been inferior to GM for many years."
Perhaps you don't remember that when the Pro Stock program (rules) got changed to "all run 500 CID", it was partially because NHRA had grown weary of constantly adding weight to the 351 Cleveland engine during the preceding years, when Pro Stocks were run on a pounds-per cubic inch basis. Before the changeover to 500 cubic inches for everybody occurred, 351 Cleveland engines were required to carry more pounds per cubic inch that any other Pro Stock engine. During the 1970's, the unprecedented rule that required "Cleveland" engines to carry an EXTRA HALF-POUND PER CUBIC INCH, over and above any other V-8 engine in Modified Eliminator was introduced! Those canted-valve 351's from Ford had dominated Modfifed Eliminator racing so completely, in the classes they were eligible for, that NHRA added weight to them so the Chevys would have a chance against them. I don't remember how many years that rule was in effect, but there it was... Maybe you don't remember that, but it happened. Does that sound like a company whose racing products were "inferior to GM???" No apologist for Ford, I'm a MoPar guy.... but, facts is facts. I'll bet Terry remembers it... or, Travis...
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Bill Last edited by bill dedman; 09-07-2009 at 06:57 PM. |
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#8 | |
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Ed Wright 4156 SS/JA |
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