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PC/SR · 10-22-2019, 11:06 AM

I drove with an HC head and stock ignition for quite awhile, and got to like it. The head is more sensitive so you can more readily find the "sweet spot" and adjust as it changes with different driving conditions. Full retard going down hill helps with engine braking; reduced advance going up hill, just shy of detonation; you can easier feel power changes on level, etc. I thought it made me a better driver as I got used to it.

10-22-2019, 11:06 AM	#11
PC/SR Senior Member Join Date: May 2010 Location: Santa Rosa, CA Posts: 1,279	Re: Hi compression head and stock ignition I drove with an HC head and stock ignition for quite awhile, and got to like it. The head is more sensitive so you can more readily find the "sweet spot" and adjust as it changes with different driving conditions. Full retard going down hill helps with engine braking; reduced advance going up hill, just shy of detonation; you can easier feel power changes on level, etc. I thought it made me a better driver as I got used to it.