Head transplant
Thread Starter
Joined: May 2007
Posts: 39
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From: Dixon, CA, 95620
Head transplant
I have a D15A2 block that I'm rebuilding and I didn't want to go with a VTEC motor right off the bat, I'd rather wait until I can afford a JDM type R motor but that's another story.
The head was fucked so I got a CRX SI head from a friend of mine off of a D15A3 motor. I was just looking online and Wikipedia states that the motor has a 13.5:1 Compression Ratio... Is this wrong? Did I get a different head? Am I going to have valve clearance issues? 91 octane? 110 octane? Help!
The head was fucked so I got a CRX SI head from a friend of mine off of a D15A3 motor. I was just looking online and Wikipedia states that the motor has a 13.5:1 Compression Ratio... Is this wrong? Did I get a different head? Am I going to have valve clearance issues? 91 octane? 110 octane? Help!
Honda-Tech Member
Joined: Mar 2004
Posts: 5,967
Likes: 3
From: San Diego, CA
Re: Head transplant (MooseRex)
D15a3 head is off of the 1984-1987 CRX. if i am not mistaken.
• Displacement: 1488 cc
• Compression: 8.7:1
• Power: 91 hp @ 5500 rpm
• Torque: 93 lb-ft @ 3500 rpm
• Bore: 74 mm
• Stroke: 86.5 mm
• Fuel Control: Fuel Injected, Multi-point PGM-FI
you also need to post your question in here: Classic Hondas <FONT COLOR="blue"><--- click me</FONT>
you just posted in the 88-91 civic/crx section
• Displacement: 1488 cc
• Compression: 8.7:1
• Power: 91 hp @ 5500 rpm
• Torque: 93 lb-ft @ 3500 rpm
• Bore: 74 mm
• Stroke: 86.5 mm
• Fuel Control: Fuel Injected, Multi-point PGM-FI
you also need to post your question in here: Classic Hondas <FONT COLOR="blue"><--- click me</FONT>
you just posted in the 88-91 civic/crx section
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