My Road Trip Motor Progress
Joel Mohr:
Well Zach....What's wrong with more timing? What's wrong with twin plugs? My head temps are not any higher than normal. I drive my bug to the races,(usually 60 to 80 miles each way) race it and drive it home. Twice I have won my bracket running low 12's on street tires and through the muffler. I can cruise it anywhere I want to go, and I live in the Desert! Temps are not a problem...Most modern motors use a bowl shape of some kind. Some do have a small "squish" areas BEHIND the plug. Rememeber the Pent-Roof that Honda used? I have a freind that owns a high performance machine shop, and he lets me look at heads that he gets in. ANY BRAND. I invite you to do the same...and Rick, I have gone as high as 10 to 1 on just the Hemi cut...no ping, no deisel, and no extra heat on California 91 octane...
volkskris:
more timing indicates that the mixture is burning slower.
Joel Mohr:
Correct! and....
rick m:
If you think about what goes on in a combustion chamber, the blended hemi has fewer places to have detonation created. I am with you on the hemi head thing. Been messing with it a long time. Just lost my way briefly due to someone talking me in to something that I had a gut feel I would not like after doing it.
RM
andy198712:
Quote from: Joel Mohr on August 10, 2012, 03:29:07 am
We should try and keep this thread alive. There is so much new technology that can be applied to a VW, and most people seem to be stuck in the same 40 year old line of thinking. With small stems, and beehive valve springs, you can easily add 1,000 rpm to the same old combo. And with the motor not working as hard to sustain RPM, it just "Unleashes" more power....
Where are people finding the correct beehive springs?
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