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Installing Y8 head on Y7 engine whats CR

Old 06-19-2010, 03:54 PM
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Default Installing Y8 head on Y7 engine whats CR

Need a little help here please.
I have a D16Y7 engine with bad head, and a good D16Y8 head. I'm wanting to use the Y8 head because it was free and more power.
Will I have too much compression for everyday driving and cheap gas?
Thanks,
Old 06-19-2010, 06:43 PM
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Default Re: Installing Y8 head on Y7 engine whats CR

You'll be ok, both motors were designed to be ran on cheap gas
Old 06-20-2010, 06:01 AM
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Default Re: Installing Y8 head on Y7 engine whats CR

I hope so.
My son's 95 hatch D15B7 blew up and he drives it 80 miles a day to work and back. I bought this D16Y7 engine from junk yard out of a roll over 97 and the valve cover and dist end cam journal was broken off, but engine was good, for 80.00.
I had a D16Y8 engine given to me with broken crank, so the cheapest thing to do is put Y8 head on Y7 engine.
I already have extra vtec ecu out of Z6.
I just don't him to have compression problems driving so far daily.
Thanks
Old 06-20-2010, 07:59 AM
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Default Re: Installing Y8 head on Y7 engine whats CR

google d-series compression calculator
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