The Central Hub for DSM Community and Information

For 1990-1999 Mitsubishi Eclipse, Eagle Talon, Plymouth Laser, and Galant VR-4 Owners. This is where the DSM platform history is documented and archived. Log in to help us in our mission, and to remove most ads from the browsing experience.

low compression? or good for my setup?

This site may earn a commission from merchant affiliate links, including eBay, Amazon, and others.

spidy3

15+ Year Contributor
192
4
Jan 20, 2005
upstate, New York
Just did compression test on my car this morning. Here are the results...

cyl 1 - 115
cyl 2 - 125
cyl 3 - 125
cyl 4 - 125

Im pretty sure these are low but I just want to make sure.

I just had my head resurfaced (dont know how much they took off) and I installed a Mitsubishi 4 layer metal head gasket and was told that would change my compression a little but would it change it that much? Stock cams and valves. I just had a 3 angle valve job done also.

If any other mods are needed to figure out what compression should be let me know.

If these are low and a rebuild is needed, is it better to keep my 1g pistons or should i get 2g pistons put in?

Thanks,

:talon: Dom
 
Add Value - Be Respectful - No Trolling - No Misinformation - Participate Often!
Support Vendors who Support the DSM Community

Build Thread Updates

Latest Classifieds

  • For sale 4G63 3 inch Magnaflow SS high flow cat
    3 inch Magnaflow stainless cat. High flow. 18.25 inches. Flange holes are 4 1/8 center. Has...
    • Galant665
    • Updated:
  • For sale 4G63 Forge Motorsports BOV
    Original Forge Motorsports bov. Adjustable with over 80 clicks on the dial. Nice to use for...
    • Galant665
    • Updated:
  • Wanted 1g 1991 Black Cherry Eagle Talon
    5-speed
    • bamatalon
    • Updated:
    • Expires
  • For sale Misc Left Over Parts
    Hello, I have a few left over parts for sale, these do not include shipping, please pm me for a...
    • r3dmak
    • Updated:
    • Expires
  • For sale Alpha Injection Clinic 2200cc for 4G63 DSM/EVO
    I have a set of Alpha Injection Clinic 2200cc high z injectors for DSM/EVO. I am stepping up to...
    • spoolinpos
    • Updated:
    • Expires
Back
Top