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hey guys could someone tell me if the b20 has a larger bore than the b18 or if it is just the stroke that is longer... or both?
 

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larger bore (84mm) same stroke as te LS.

Did you try searching?
 

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b20b & z have the same stroke 89 mm as the ls but the b20b&z have an 84 mm bore b20b has slightly lower compression 8.8 and the b20z has 9.6:1 compression. a b20z is a bit harder to find though
 

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:mad:nally posted by silentdave on Feb/10/04
b20b & z have the same stroke 89 mm as the ls but the b20b&z have an 84 mm bore b20b has slightly lower compression 8.8 and the b20z has 9.6:1 compression. a b20z is a bit harder to find though
[/QUOTE]

yup.

for a swap into a teg you will need to find a new intake manifold because the b20 im is about 6-8" tall and probably wouldnt fit under the hood.

however if you have a b18b you could just use the im off that because the b20/b18b heads are identical.
 

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The B20z IM will fit w/ no hoodline issues. You just can't use a front strut tower bar.

As previously posted the B20b IM won't fit.
 
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