Reply to "your advices (finally) - 351C engine"

panterachrisMember

I had a set of quench heads years ago, they were filled to reduce the port size, they were a laborious job, but, they made big horse power over 500 in a race set up, what is your octane ratting, the compression will determine H.P. in a big way, 10 to 1 over here with steel heads and 91 octane.

quote:
Originally posted by "72 GTS:
Thanks Chris

I don't want to change the heads at this point, plus they aren't alloy heads here in France, Shipping costs and (huge) taxes will be prohibitive ...
regards

11/30/1410:29 AM

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