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DRR Sportsman |
I did talk to James, he said he hasn't heard of anyone needing extended tipped plugs before??? I did have the Chambers 'Softened' when built. It definitely seems like the alky is putting out the spark. I'm swapping to my aluminum block in the off season, I'll check on those FR5 plugs. Sunset told me Alky would not work well.. Car runs too hot on gas to round robin. Currently running -8 heat, would a -7 help the issue? | |||
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DRR Sportsman |
On carbureted alcohol I like -7 they seem to get on the chip cleaner. The FR5 is a hotter plug it's a 5. Denis LeBlanc | |||
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DRR Sportsman |
Late to the party and wondering. Is your complaint when running the bottle? Have you done your best tuning without the bottle? Do you have enough ignition firepower for the alky? General FWIW. I find anything over 14:1 on alky yields limited gains if any. Dave Koehler - Koehler Injection - http://www.koehlerinjection.com Fuel Injection - Nitrous Charger - Nitrous Master Software - Balancing 99% of fuel injection problems are electric. | |||
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DRR Trophy |
_____________________________________________________________________________________________________________________________________________________________________________________________________________- Dave, We have determined the cam does not have enough exhaust duration to run alcohol with this combination, If I decide to switch back, I will have to make a cam swap, but I ran gas this year with no issues and I most likely will leave it that way | |||
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DRR Sportsman |
I called NGK to get some info on different plugs I could try...FR5 was a NO!. Besides the R5672A-8 plugs I could go w/ BKR7EIX > -7 heat range -or- if I have room a plug NGK makes for Blown & Turbo applications: FR7BHX-S (stock 92400) <- <- these plugs look really cool... I was looking to go 1 step beyond the R5672A-8 ext. tip plug and be able to gap .020, heat range stops @ 8 for those. | |||
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