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Digital v. Dial Face Compression & Leak Down Testers
- Thread starter CobraRed
- Start date
sweet victory
Well-known member
Snap On just came out with a new digital kit that will do everything you just mentioned. You no longer need 3 different test kits! Maybe in the future they'll have one that can do 20k psi, but this is still pretty awesome.
https://store.snapon.com/Compression-Gauge-Sets-500-PSI-Wireless-Pressure-Tester-Kit-P930481.aspx
Only downside to digital I can think of is make sure you keep a spare battery around. Up side, you can pair with your this with your phone and monitor pressure during a test drive.
https://store.snapon.com/Compression-Gauge-Sets-500-PSI-Wireless-Pressure-Tester-Kit-P930481.aspx
Only downside to digital I can think of is make sure you keep a spare battery around. Up side, you can pair with your this with your phone and monitor pressure during a test drive.
guy48065
Well-known member
"Close" is good enough for compression and leak-down testers.
Snap On just came out with a new digital kit that will do everything you just mentioned. You no longer need 3 different test kits! Maybe in the future they'll have one that can do 20k psi, but this is still pretty awesome.
https://store.snapon.com/Compression-Gauge-Sets-500-PSI-Wireless-Pressure-Tester-Kit-P930481.aspx
How does this do leak down?
bob15
Well-known member
Digital requires batteries that fail. My dial Snappy compression tester is 50 years old and has never failed, nor have the batteries ever needed replacing
rlitman
Well-known member
How does this do leak down?
I don't think it does, but having a tool that can track fuel rail pressure in real-time sounds interesting.
Sevenhills1952
Well-known member
I'm a retired electronic technician. I'd prefer not to go with digital for reasons others have said here also. Digital is great for an accurate voltage measurement. Analog or pressure reading a needle tells more, watching needle movement rather than watching numbers flash.
Sent from my SM-S320VL using Tapatalk
Sent from my SM-S320VL using Tapatalk
2ndGearRubber
Well-known member
I think that snap on unit is quite slick, but I'm a dial guy. Syncing to a phone doesn't work for me, I don't carry it at work. So I could sync to my autel but I'm not sure I could see the live data and the bluetooth signal.
I'm generally anti batteries. I've used compression and vacuum testers in areas without convenient electricity . So loose power on your battery, and you're done. Dials likely require more care, but are cheaper up front. Vacuum is the only one you could use while driving. A spool of silicone vacuum line makes the vacuum gauge readable in the car for 15 bucks, very tough stuff.
EDIT: Fuel pressure is the same way, just need a hose extension set.
I'm generally anti batteries. I've used compression and vacuum testers in areas without convenient electricity . So loose power on your battery, and you're done. Dials likely require more care, but are cheaper up front. Vacuum is the only one you could use while driving. A spool of silicone vacuum line makes the vacuum gauge readable in the car for 15 bucks, very tough stuff.
EDIT: Fuel pressure is the same way, just need a hose extension set.
Last edited:
2ndGearRubber
Well-known member
I don't think it does, but having a tool that can track fuel rail pressure in real-time sounds interesting.
Direct injection stuff normally has fuel rail pressure (output of HP pump) as a data item.