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Username Post: violent op gauge        (Topic#350626)
bobb 
Super Senior Member
Posts: 5322
bobb
Loc: paradise
Reg: 09-05-03
04-14-18 09:09 PM - Post#2731006    

anybody ever seen a violent oil pressure gauge reading? its maybe 15-20 psi range vibrating wildly at 40-60 psi maybe 2-3k rpms

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


 




acardon 
Ultra Senior Member
Posts: 10961
acardon
Loc: DFW TEXAS
Reg: 03-25-05
04-15-18 06:27 AM - Post#2731022    
    In response to bobb

Mechanical or electrical? Mechanical could be air in the tube. Electrical could be a bad sender.

Don
66 Corvair (driving)
57 2dr HT (driving)
56 2dr HT (waiting to be restored)


 
IgnitionMan 
Valued Contributor
Posts: 3288

Reg: 04-15-05
04-15-18 09:02 AM - Post#2731029    
    In response to bobb

What brand oil filter, hope it isn't a Fram?



 
bobb 
Super Senior Member
Posts: 5322
bobb
Loc: paradise
Reg: 09-05-03
04-15-18 09:53 AM - Post#2731034    
    In response to IgnitionMan

haha, i never use fram filters. this ones a napa wix 1794. gonna try bleed the line. hmm maybe change the filter too if bleeding wont work

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


 
IgnitionMan 
Valued Contributor
Posts: 3288

Reg: 04-15-05
04-15-18 01:29 PM - Post#2731054    
    In response to bobb

Only reason I asked is that with Fram, there are a LOT of flow problems, from the filter materials obstructing oil flow through them, filter end plates, made from paper, coming apart from the filtering media, and......check valves in the filter doing a rapid open/close/open/close situation.

There might also be an issue with the valve in the oil filter adapter as well.

Any lifter noises?

Did it do this all at once, or gradually?

I had a friend with a pickup truck that had this happen, mechanical gauge, plastic tubing from engine to gauge. It started all of the sudden, not so much, then got worse. when he finally brought the truck by my place, we found he had simply drilled a hole in the firewall, and poked the tubing through it, and along the way, the firewall metal had worn the plastic tube away on one side of it. We moved the hose, engine stopped, and it broke. It was on the way to failure, big time, finally gave up the war.

Just have to look at all the areas.



 
malibu101 
Very Senior Member
Posts: 1756

Age: 51
Loc: Walnutport PA
Reg: 11-20-00
04-16-18 06:59 PM - Post#2731221    
    In response to IgnitionMan

I (and others I know) have used NAPA 1794 2 quart filters for many years on SBC's without a problem. But quality control problems can happen.
My opinion, great choice of filter!

I've heard of guys bleeding the line to the oil pressure gauge to get rid of the air. I personally have never seen this as being a problem. But I haven't seen everything.

Sorry I don't have an answer for your problem. Just saying what I've experienced.





 
IgnitionMan 
Valued Contributor
Posts: 3288

Reg: 04-15-05
04-16-18 08:04 PM - Post#2731229    
    In response to malibu101

I like the 2 quart filters as well.



 




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