Dans55
Newbie
Posts: 41
Reg: 03-03-22
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12-03-23 05:54 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?
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 Don57
"18th Year" Silver Supporting Member
Posts: 1438
Age: 73
Loc: Illinois
Reg: 04-28-00
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12-03-23 06:35 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.
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bobb
Super Senior Member
Posts: 6686
Loc: paradise
Reg: 09-05-03
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12-04-23 08:09 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. |
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Shepherd
Valued Contributor
Posts: 3442
Loc: Lake George, NY
Reg: 11-11-15
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12-04-23 08:56 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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OldRustyWrench52
Newbie
Posts: 22
Loc: So. Florida
Reg: 02-23-20
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04-08-24 04:35 PM - Post#2868712
In response to Dans55
Edited by OldRustyWrench52 on 04-08-24 04:39 PM. Reason for edit: No reason given.
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OldRustyWrench52
Newbie
Posts: 22
Loc: So. Florida
Reg: 02-23-20
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04-08-24 04:38 PM - Post#2868713
In response to Dans55
How about using a piece of pvc pipe as a spacer that would closely duplicate the intake manifold's thickness and hole diameter? Then the distributor would run the oil pump while doing the compression test. You may need something to run the length of the block to support the piece of pvc.
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