400/ Fuelie combo?

Hmrdown1 · #1 (**permalink**) 01-21-2006, 07:33 PM

I will soon have a FREE set of 62cc Fuelie Heads, intake, and carb...I know someone who is selling a 2 freeze plug 400 that is bored to a 406 ($200). I am wondering if this would work. anyone w/ input, would be appreciated... Thanx

onovakind67 · #2 (**permalink**) 01-21-2006, 09:24 PM

62cc heads on a 400 may raise the compression ratio out of your specs if you don't have a reasonably big dish in the piston.

IanRiordan · #3 (**permalink**) 01-22-2006, 04:44 AM

I ran #461 fulies for years on a 4 valve relief flat top 030 over 400. It worked on straight propane or 95ron unleaded with octane booster, but over 30% butane or plain unleaded it rattled fit to bust.
I'm doing a body off on the car now and the 72cc heads cut back to 69 should be ok on outback fuel.
Keep the fuelies in the shed, good ones are getting rare.

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