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Original Message
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RE: All 390s have same dims., except exhaust manif |
By hawkrod - 01/22/2003 4:29:29 PM; IP 198.81.26.240 |
since 1965 there are only about 1/2 dozen tubes. the CJ and GT are the same and a little over 10 inches long but 66 GT is different. the 65/66 tbird is special and is about 13 1/2 inches but 67 and newer tbird is the same as a passenger car but i don't have the dimensions. the tube you have is designed to bolt to the lower exhaust manifold bolt on a regular car manifold. because you have GT manifolds the tab can not be bolted to the lower hole and the front hole of the GT manifold is too high making the tube too short. your friends dimension is for his dipstick not the tube as the dipstick is about 18 inches from the cap. and yes the difference between a tbird 390 and a mustang 390 are pretty much the heads and exhaust plus the cam, carb, and distributor so by changing those things you have in effect created a GT engine. hawkrod |
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