Quote:
Originally Posted by SD455DJ
Jim,
You did good. Real good! It is a very nice TA and in very capable hands. I think you should haul it over to the TA Nats in late August (hint, hint). As for the SD vs HO dyno wars, Dan and I have seen a slight nod go in favor of the SD motor due to better breathing heads and the 301/313 cam when compression was equal at 9.25:1 or above. When the compression is lower (below 9.0:1) they are very comparable in regards to hp and torque. Remember, they both ran E/SA back in the day in the F body. The HO gets to maximize its compression up to 10.19:1 vs only 9.55:1 for the SD in NHRA stock class and that does make a big difference.
DJ
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Great info for the HO vs. SD debate, Dennis.
Thanks for chiming in!