Thread: New Ram Exhaust

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KennyD, thanks a lot, that is the first real data on the Speedway rams horn headers that I have. Does anyone know of a dyno test of these cast iron headers? I still have not made my decision and recently read over my previous (dumb) questions and only today finally found a retail source for stock rams horns manifolds:

http://store.directauto.com/repair-a...-350-5-7l.html

This does not solve my problem yet since the cheaper $54 ($108/pair) rams horns seem to have smaller outlets (2" ?). The better rams horns with the bracket that has to be sawed/ground off are $126 each ($252/pair) are advertised as having a 2 1/2" outlets, so they are almost as expensive as the Speedway rams horns at $300. I did not jump at the $75 chrome tube headers DennyW found because I know they will turn blue rather quickly. Still the tubular headers are lighter than the cast iron headers but the cast iron seem to have thicker flanges and seal better. If the shorty tube headers don't really give much gain (except offer lighter weight) what if I get the cheaper 2" rams horns for about $108/pair and hope(??) that a free flowing turbo muffler will give some performance boost. Still for only slightly more the Speedway cast iron headers need no further preparation. Can KennyD show a picture of how the ignition wires are configured? Also where is the process of silvery porcelinizing described or advertised? Sorry to drag this question out, but see how a few months has helped gain the experience of KennyD. Summary:

1. Are AHC coated tube headers better for low speed torque than Speedway Rams Horns?

2. How about spark plug wire looms with the Speedway rams horn?

3. Who makes the "silvery" porcelein coating for cast iron?

Again, sorry to belabor this question, what is needed is an article with some dyno data.

Don Shillady
Retired Scientist/teen rodder