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85berlinetta · 03-03-2010, 04:33 PM

I beleive the LG4 in my 85 trans am has never been apart and it has 14014418 heads on it. If I remember right my 86 z28 had the 418 heads as well. Thats weird that you've had so many issues with vortec heads. I havnt heard alot of that. I have a set on the 350 thats goin in my berlinetta, and thought about getting a set and milling them .060 to maintain compression for the 305 in my t/a. If you wanna buy new heads, I have read good things on other forums about the s/r torquer 305 heads. Personally Id do the vortec thing, if they dont hold up, maybe your 383 will be done by that point!

03-03-2010, 04:33 PM	#6
85berlinetta Join Date: Sep 2009 Posts: 28 iTrader: (0)	I beleive the LG4 in my 85 trans am has never been apart and it has 14014418 heads on it. If I remember right my 86 z28 had the 418 heads as well. Thats weird that you've had so many issues with vortec heads. I havnt heard alot of that. I have a set on the 350 thats goin in my berlinetta, and thought about getting a set and milling them .060 to maintain compression for the 305 in my t/a. If you wanna buy new heads, I have read good things on other forums about the s/r torquer 305 heads. Personally Id do the vortec thing, if they dont hold up, maybe your 383 will be done by that point!