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Re: Mine is 83-56-057
Posted by LJB (more from LJB) on Fri, 29 Sep 2006 15:38:36
In Reply to: superceded?, DougM
[Profile/Gallery]
, Fri, 29 Sep 2006 05:09:56
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Excellent post DougM!
I think they de-tuned the car some to meet smog for 75-
Thanks for the 8.7:1 info for 74. I think 78- N/A got 9.25:1. That would be a nice upgrade for us.
So the cam and the D-Jet are the remaining major difference between 74 and 75- since compression ratio is the same. I'm inclined to think the cam has more impact, especially since the header makes such a drastic improvement.
Anyone have experience with cam 83-58-186 referenced in DougM's post?
The post says "the ramps are longer". What does that mean? Not as steep so the valve opens and closes slower? This 186 cam fits my cam carrier, which is nice. The 186 cam may be the perfect one for 75-.
Cam 83-52-254 with carrier 83-53-518 is the coveted one that everyone talks about. My cam has the P/N stamped right on it IIRC.
posted by 63.214.1...
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