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has anyone put ecotec heads on a earlyer motor

neet_wagon

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Thats not a bad effort, you are getting yours 300bucks cheaper and mine are direct from manufacturer!!
 

hakhawk

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gn-1 heads are different to l27/ln3(vr/vn). they from memory have some differences in water jacket positions, and may not work. the bolt pattern is the same from memory, but water jackets/oil holes is the big factor.

all the quick v6s are either pre vn blocks/heads and ecotec blocks/heads. zzp i think it is does alloy heads for ecotec, NO ONE does l27/ln3 alloy heads, unless theyre a one off, which would cost a fortune.

go all out, get a stage 2 head

Buick V6 Cylinder Head Guide
 

neet_wagon

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Now, now, theres no need to ruin ALL my hopes and dreams Hakhawk.
Besides who needs water anyhow??
I'm gonna make them fit, come hell or high water.
 

hakhawk

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good to see you're gonna give it a go, make sure you post up how you go with it.
 

neet_wagon

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I can predict my post-heads post now................................FAIL.

Theres a couple of guys overseas who reckon I can get a hold of some aftermarket heads for the LN3,
time will tell of course.......
 

delcowizzid

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в∞ѕтεכ √&
"Versions of this head with heavy porting have made 1500 hp on a 274 inch twin turbo application. Use this head for serious street/strip and race applications where the most power potential is desired"

hmm sexy pretty much the same as the champion ones as long as they bolt on making manifolds to suit isnt that bad
 

Immortality

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would need to modify the headers as well, look at the angle of the exhaust port face
 

neet_wagon

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^^^^ Im running a huge turbo, so thats not a problem.
Doubt it would be a problem for delco either, reckon he's in a similar boat.
 
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