Thread: Compressor psi during valve spring replacement

How much PSI should i use when changing the valve springs?

whatever your compressor puts out max.

100 psi or so is fine.

90psi or so.

Thankxs guys. My rockers are done and boy was they hard to do mainly the springs. Im never doin g it again unless i get a better spring compressor.

Originally Posted by Pure2sin

That's why I ordered one of these:

MMS New and Improved 3800 Specific Valve Spring Compressor Tool: Milzy Motorsports

Yes it's expensive but worth it. I figure I will rent it out to people and make some money back.

i just saw that tool being used on a tv show, made it look easy as can be.

a valve spring tool can be made for $3 worth of steel and 15 minutes of your time. it's a plate with a slot in it, and a hole for the rocker bolt. tighten it down, pull the lock, loosen it up, etc.

it's easy enough. you don't need an expensive tool to do it right.

Originally Posted by Bio248

a valve spring tool can be made for $3 worth of steel and 15 minutes of your time. it's a plate with a slot in it, and a hole for the rocker bolt. tighten it down, pull the lock, loosen it up, etc.

it's easy enough. you don't need an expensive tool to do it right.

Hmm. I guess you could make one but I doubt you could in 15 minutes. Getting the spacing right and stuff would take a longer. I know it is possible but to be honest I think it would be more work than you think. If you have a band saw, drill and taps and some steel laying around I guess it is possible.

Edit- I thought you were talking about making the tool I listed above. Yes you could make that bar design but I have used one and getting at the rear springs is a *****. I know it just takes time and can be done but with this tool you can do two springs at a time/one cylinder at a time.

I bought mine from snap on for $25.

Bar and slot is the snapon one I have that design works fine. I have used the jaw style also when I had the heads off the car.

This autozone POS is what i used. FML.



Now my hands look and feel like crap smh. It was all worth it though because the new found power from the 1.9 rockers are AMAZINGG!!!

So now that i have L76 springs, i can up my shift points to 6,000 rpm's correct? Whats the highest?

Originally Posted by GOTIT4CHEAP16

Now my hands look and feel like crap smh.

Wimp