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Discussion Starter #1
i have the chance to get a z6 motor for basically free..the miles aren't to high and i'd like to build it...my question for you guys is what is/are the differences between the z6 and y8? would i have a hard time putting it in my car?
 

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1991 Honda CRX
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290 Posts
z6 has 125 HP
they flow better at top end than the y8.
they are better to P&p.
it must use the z6 dizzy

Y8 has 127 HP
flows better at bottom end than they z6 due to the swirl on the intake ports.
has quench pads so it resists detonation better.
stock oil pumps give out easily.
you can basically mount any d series dizzys to it besides the z6 ones.
y8 intake manifolds are alittle better than z6 ones.

theres more differances but cant think of them right now.
but it is pretty easy to swap in your car if your car has a d series engine.
 

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Discussion Starter #5
it would be going into a 1997 honda civic ex coupe, but it'd be built coompletely and not for a while
 

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'89 CRX HF
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if you have any type of legal inspections on your vehicle, you need to put in a motor of the same year or newer than your chassis. putting an older motor in is technically illegal
 

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Discussion Starter #7
i live in oklahoma..we don't do emissions here so anything goes
 

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1991 crx dx
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im not sure but i believe the y8 has a little higher compression. may be wrong but either way they have different compression.
 

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1991 Honda CRX
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290 Posts
correct, the y8s do have higher compression than the z6s
 

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Discussion Starter #10
so i really wouldn't gain/lose much by swapping this motor? i mean besides the fact that if i did it the z6 would be built?
 
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