I have the oppurtunity to purchase a set of completely rebuilt 3.8l heads off an 1988 FWD buick. Anyone know if these heads are interchangeable?
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11-10-2011
I have the oppurtunity to purchase a set of completely rebuilt 3.8l heads off an 1988 FWD buick. Anyone know if these heads are interchangeable?
11-10-2011
im gonna say no,
why would you want too in the first place?
11-10-2011
i wouldn't they won't flow any better than the heads you got
Originally Posted by TLSheff
11-10-2011
If anything they're prob more restrictive.
11-10-2011
no no and no...why heads ten years OLDER then yours?
11-10-2011
Not the same block man.
11-10-2011
Valve arrangement tells the story.
11-10-2011
Since this was posted... are there any heads that are better for our cars that came stock on other vehicles? Or are they pretty much all the same stockers on series 2, series 3, etc?
11-10-2011
i heard from an auto teacher/tech that ford 3.8 heads flow very nicely, so im wondering if you could do the swap..
11-10-2011
sour warHEADS.
11-10-2011
No.
Series II and III are different slightly.
Slightly different valves in series III, same poor casting and poorer quality control.
No.
11-10-2011
Yes. Yes.
11-11-2011
Actually, L26 heads are supposed to flow the best out of the entire bunch...being 36/67/32/26
So...if you find some series III L26 heads...get them...have them rebuilt, cleaned up...and ported...and toss them on with some headers if your looking for 20+ WHP gains.
11-11-2011
Whoa... thanks man, I'm sure that info will help quite a few people.
11-11-2011
That hurt my head even reading that.
Just because two manufacturers make an engine with the same designation of liters doesn't mean the engines are even close to the same.
And Ford 3.8 heads are absolute GARBAGE.
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