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Username Post: Fluid for valve leak test?        (Topic#355884)
ShortyLaVen 
Poster
Posts: 39

Age: 25
Loc: Minneapolis, MN, and Phoe...
Reg: 01-23-18
04-02-19 09:33 PM - Post#2763538    

What fluid do you typically use to test how well your valves are sealing? I was thinking something the diethyl ether would be good because of its very low surface tension, but I've also heard of people using acetone for the same reason. I have both in the shop, as well as mineral spirits, gasoline, turpentine, lacquer thinner, etc.



 


Rick_L 
Honored Member
Posts: 27635
Rick_L
Loc: Katy, Tx, USA
Reg: 07-06-00
04-03-19 01:18 PM - Post#2763586    
    In response to ShortyLaVen

Use the mineral spirits, as it's less of a danger than the rest.



 
454cid 
Valued Contributor
Posts: 3110

Age: 46
Loc: West Michigan
Reg: 02-18-12
04-03-19 11:09 PM - Post#2763609    
    In response to Rick_L

  • Rick_L Said:
Use the mineral spirits, as it's less of a danger than the rest.



Couldn't rubbing alcohol be used?


99 K3500 RCLB


 
grumpyvette 
Senior Chevytalk Moderator -- Performance Subject Matter Expert --
Posts: 17356
grumpyvette
Age: 71
Loc: FLORIDA USA
Reg: 03-16-01
04-04-19 05:06 AM - Post#2763614    
    In response to 454cid

rubbing alcohol with food dye works just fine

http://garage.grumpysperformance.com/index.php?thr...

http://garage.grumpysperformance.com/index.php?thr...

http://garage.grumpysperformance.com/index.php?thr...

IF YOU CAN,T SMOKE THE TIRES AT WILL,FROM A 60 MPH ROLLING START YOUR ENGINE NEEDS MORE WORK!!"!
IF YOU CAN , YOU NEED BETTER TIRES AND YOUR SUSPENSION NEEDS MORE WORK!!


Edited by grumpyvette on 04-04-19 02:17 PM. Reason for edit: No reason given.

 
Rick_L 
Honored Member
Posts: 27635
Rick_L
Loc: Katy, Tx, USA
Reg: 07-06-00
04-04-19 10:47 AM - Post#2763626    
    In response to grumpyvette

Rubbing alcohol from the drug store is actually what I use. Also what I use for cc'ing combustion chambers and ports. A pint bottle lasts a long time.

I picked the mineral spirits from his list.



 
62chevy427 
"12th Year" Silver Supporting Member
Posts: 2165
62chevy427
Loc: laurens sc
Reg: 04-13-06
04-05-19 09:36 AM - Post#2763694    
    In response to ShortyLaVen

i have used kerosene


56 bel air ((since 2002)
62 impala ss (since 1965)
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67 malibu convertible (since 1981)
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95 impala (new)
15 chevy equinox



 
ShortyLaVen 
Poster
Posts: 39

Age: 25
Loc: Minneapolis, MN, and Phoe...
Reg: 01-23-18
04-27-19 10:39 AM - Post#2765142    
    In response to Rick_L

Thanks all for the replies, I ended up using alcohol/water mix on the first round (had to mix because I didn't have much left, it worked out to be about 60% alcohol), and then used mineral spirits for the second test after lapping and cleaning.



 


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