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Username Post: Compression test without intake manifold        (Topic#374122)
Dans55 
Newbie
Posts: 31

Reg: 03-03-22
12-03-23 04:54 PM - Post#2864717    

I want to do a compression test after I put my cylinder head back on. Is it necessary to have the intake manifold installed? I have a oil printer rod that I used at one time with a drill. I plan on running the pump around 5 minutes before I do the test.then another 5 minutes before I do the second head. Think that will work?



 


Don57 
"18th Year" Silver Supporting Member
Posts: 1432
Don57
Age: 73
Loc: Illinois
Reg: 04-28-00
12-03-23 05:35 PM - Post#2864719    
    In response to Dans55

I've never done it but I think it will work, as long as the valves are operational.

Don
1957 3200 Stepside


 
bobb 
Super Senior Member
Posts: 6542

Loc: paradise
Reg: 09-05-03
12-04-23 07:09 AM - Post#2864724    
    In response to Dans55

compression test will work need the correct tool for oil prime

70 L camino, grampa engine, g-force 5 spd, road rage suspension. Pray first before all else fails.


 
Shepherd 
Valued Contributor
Posts: 3276

Loc: Lake George, NY
Reg: 11-11-15
12-04-23 07:56 AM - Post#2864725    
    In response to bobb

Yes you can do a compression test like that, as mentioned. But, 5 minutes priming is unnessary, maybe 2 minutes after pressure is achieved. Important to turn the engine 180 from tdc to get to all bearings.



 


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