- Location
- Orlando, Florida
As title says I'm getting low compression in both cylinders around 120 psi in my 61x engine . Is replacing Rings and Pistons my best bet? Any upgrades I might as well do during a rebuild?
61x 120 compression in both cylinders
- Thread starter MylesG
- Start date
-
- Tags
- 61x low compression super jet
- Location
- California
What gauge are you using? The Harbor Junk ones are known to be about 30 psi low.
- Location
- Orlando, Florida
Innova
I’ve used two different testers
Ducky
Back in the game!
- Location
- Charlotte, NC
The best running motor I ever had was a 61X that had 120psi in each hole and piston slap like a mofo!
- Location
- Orlando, Florida
Yeah I havnt noticed any change in performance. Last year it was 150 in both cylinders so I was just a little worried
- Location
- California
If both gauges showed 150 last year and now the same gauges show 120 then obviously your compression is lower. If it still runs fine then run it. But at some point an engine is just simply worn out and can have low compression with both cylinders even and it's time for a rebuild.
- Location
- Orlando, Florida
How much does a typical rebuild run? 400$?