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Original Message
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| The main differences are... |
| By Dave Shoe - 05/26/2003 10:58:40 AM; IP 216.243.176.34 |
...pistons and intake.
The 2V engine was typically calibrrated to run on regular gasoline (9.5:1 CR), and the 4V on Premium (10.5:1 CR). The piston compression was the difference.
If you are looking for a little extra oomph, the way to go would be an Edelbrock RPM intake and a small 4V carb.
Nowadays, the old 9.5:1 CR is great for modern premium gasoline, and it'll work with regular in most cases, also. Since the Edelbrock "Performer RPM" (not the plain Performer, as those are hardly more than stock) intake will breath far better than a stock intake, but it's "velocity" design will allow it to work with a stock cam. The lack of an exhaust crossover in the RPM intake meads you'll have to disable any "heat riser" valve in the passenger side exhaust manifold, if one exists.
The Performer RPM is a well priced intake (for an FE), and the difference from stock will be noticed. Keep an eye out for hood clearance, however, as the intake also sits roughly an inch higher than the stock 1958-65 style iron intake and "T" intake (1966-76 emissions version of 1958-65 intake).
JMO,
Shoe. |
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