90 2.3 compression test results...

mustangprodude

New Member
Jun 7, 2004
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Had time tonight to test a couple of engines I have. I bought a 5 speed donor coupe to swap the T5 over into my A4LD vert. I thought I would test the donor motor so that maybe I could leave the trannie attached and swap over the entire engine/tranny combo. Well, after these results I think I'll keep the vert motor in place and just swap trannies. Here's the results...

90 2.3 coupe 94k miles (might be 194k)
cyl1- 140
cyl2- 123
cyl3- 160
cyl4- 169

90 2.3 vert 104k miles
cyl1- 186
cyl2- 183
cyl3- 175
cyl4- 169

Both cars have the rad removed, so I ran them for about a minute each and then pulled the plugs and tested. I did notice steam coming from the bypass outlet on the thermostat housing on the coupe. I'm assuming it's in need of a head gasket.

What's your opinions on these results guys? What numbers are you all seeing on your rides?
 
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