Finished my dash, oil pressure guage question - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Low69CST · 06-15-2003, 01:52 AM

I got my dash put together today, looks pretty good especially considering the new ones are bout 500 bucks. I should have some pics in a few days. I noticed that the oil pressure guage is mechanical, I thought they were all electric. What kind of line do I need to run to it? I have some of that plastic capilary tube that came with an old set of sunpro's I bought to break in my engine. Can I use that stuff? Its a whole lot more easy than using steel line.

Longhorn Man · 06-15-2003, 01:56 AM

As long as the fittings all fit up nice you could use it. I think that steel or sttel braided would be better though. Just leave enough slack in the engine compartment for the engine to move around from the torque.
Side note, I don't think plastic tubing is NHRA legal for drag racing if you intend on takin yours down the 1320. (1/4 mile)

oldyeller · 06-15-2003, 01:57 AM

the poly line has been known to break, go with the copper line, you can get it at a good parts store..

hanssolo · 06-15-2003, 08:03 AM

I'd go with the copper line too. Good insurance. It bends easy and reinforces ground to the engine.

Longhorn Man · 06-15-2003, 11:04 AM

The engine should be grounded directly with the battery cable. If you ground to the frame and use ground straps to groiund it, you'll end up with starting problems becouse of the amperage draw.
Copper can be easily bent without a bending tool too, just use the pullies on your engine. The alt pully for a smaller tighter bend, and the crank or water pump pully for a more gradual bend.

06-15-2003, 01:52 AM	#1
Low69CST Registered User Join Date: May 2000 Location: Frankfort, Kentucky, USA Posts: 2,163	Finished my dash, oil pressure guage question I got my dash put together today, looks pretty good especially considering the new ones are bout 500 bucks. I should have some pics in a few days. I noticed that the oil pressure guage is mechanical, I thought they were all electric. What kind of line do I need to run to it? I have some of that plastic capilary tube that came with an old set of sunpro's I bought to break in my engine. Can I use that stuff? Its a whole lot more easy than using steel line. __________________ '69 CST Short fleetside Lowered, 400 small block, 700R4, 4 wheel disc brakes, front sway bar & rear camaro sway bar (in progress) '87 V10 4x4 Short Fleetside Quad Suspension and Dual Tanks

06-15-2003, 01:57 AM	#3
oldyeller Captain CAAAVVVMMMAAANNN! Join Date: Mar 2002 Location: Anna Texas Posts: 726	the poly line has been known to break, go with the copper line, you can get it at a good parts store.. __________________ 72 LWB Fleetside C10 Custom 350/350 97 GMC Yukon 4X4 SLT Anna, Texas check out the project old yeller

06-15-2003, 08:03 AM	#4
hanssolo Registered User Join Date: Sep 2001 Location: central Ill. USA Posts: 447	I'd go with the copper line too. Good insurance. It bends easy and reinforces ground to the engine. __________________ 69 C10 longbed: 357c.i. /TH400/3.73s/AC/ beige primer/saving $ for paint ______________________________

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06-15-2003, 01:56 AM	#2
Longhorn Man its all about the +6 inches Join Date: Jan 2001 Location: Hilliard Ohio Posts: 2,690	As long as the fittings all fit up nice you could use it. I think that steel or sttel braided would be better though. Just leave enough slack in the engine compartment for the engine to move around from the torque. Side note, I don't think plastic tubing is NHRA legal for drag racing if you intend on takin yours down the 1320. (1/4 mile)

06-15-2003, 11:04 AM	#5
Longhorn Man its all about the +6 inches Join Date: Jan 2001 Location: Hilliard Ohio Posts: 2,690	The engine should be grounded directly with the battery cable. If you ground to the frame and use ground straps to groiund it, you'll end up with starting problems becouse of the amperage draw. Copper can be easily bent without a bending tool too, just use the pullies on your engine. The alt pully for a smaller tighter bend, and the crank or water pump pully for a more gradual bend.



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