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Todd, retard your timing and adjust the afm, you arent running big compression ratio so you shouldnt need premium gasRyan, the head is fine but but if you want something beyond the factor of 120 hp, get a LCengineering .440 cam, a long tube header, a large bore throttle body
I little extra info: I am no longer running the adjustable cam gear, as it would not stay adjusted and Duffil's broke, so I didn't want to mess with it anymore and risk damage. I did do a dual row timing chain conversion (EXPENSIVE), but the peace of mind of having a dual row is worth it to me. Longer service life, stronger, etc.
I was just looking at this, 'cause mine is starting to make some noise, and I think the plastic tensioner is giving up. How much of a PITA is it to do the swap? BTW: Sorry for the thread jack. I now return you to your regularly scheduled programming.Erik
That is a PIA. The fun part with both of those was that the pistons were NOT destroked, so after decking the blocks they kinda stuck out a tad too much. Putting the head on with it that way would be embarrassing and get me phone calls. So I simply milled off some of the outer raised circle on the piston head, effectively raising the compression ratio by about .5 to one plus the gain from the overbore, those both came out to a shade over 10.1:1 which made me nervous.
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