Poor start up oil pressure????

[87natl]

OK, I'm gonna get an oil pressure gauge on this thing, but figured I'd throw the following out there anyway, I'm bored.

100k engine, no engine noises previously. Recently, in the last week or so, on several occasions I have heard a brief chatter in the motor upon start up. Takes about a second, and is likely a slight rod bearing noise. (Doesn't last long enough for me to investigate it., and I question how effective an oil psi gauge will even be) Then it purrs like a kitten and doesn't make any odd noises at any RPMs.

Never happens on cold start up, only on occassions when engine is hot, but has been sitting for 15 minutes or so. 30W Castrol, about 200 miles on it.

Only recent changes are a PTE Turbo Saver.

So what's the solution?

Possiblities, IMO......

A. Slight bearing wear that is just beginning to show itself. Could do a bearing change to nurse it along.

B. Change oil weight.

C. Try to improve oil circulation with a high volume pump or pump rebuild/plate.

D. Rip the Turbo Saver back off.

HIT ME!

 

[87natl]

One revelation......there is more cranking time on a cold start, while starting the already warm engine is basically instantaneous. That might explain why I don't hear the brief clatter on a cold start.

Also, the Turbo Saver is getting pulled regardless. The danged fittings keep weeping oil.......

Any feedback fellas? Don't be shy......

 

[ThikStik]

Thats exactly what my new rebuit engine is doing except im getting sound also at cold start. It did it without pte saver and now with. I changed 3 rod bearings and no change whatsoever. I can pull injector to # 6 and it stops. Since our sound is dissappearing upon full warm up, im suspecting piston slap or maybe pin. Dont know if pin noise would subside with warmup though. Im going to kill this motor and need to sue the machinist-he gave too loose of clearances.
gluck

 

[gnsrule]

D. Rip the Turbo Saver back off.

Never heard anyone not like a "turbo saver" ie: Big remote filter. I've run one on my 87 for 10 years or so now, and theres definatly one on my 86. I'll only run a Baldwin filter B279. I big remote filter will outflow any of the small pf-52's any day. As far as weeping oil, mine dont leak, but then again, I dont use Teflon, akkk !!! Silicone, Indian head gasketchinch, or avation works for me

Just my o2

 

[87natl]

I do have a leak at one of the fittings, but that is a seperate issue. The biggest thing concerning me is that noise, even though it only last for a second. Wasn't there before, and ThikStik, if it was a pin I would expect it to continue and be audible on decel as well.

Other than that first second, my engine is smoooooth runnin'.

 

[Red Regal T]

Try a different oil filter. I got chatter with AC1218..........none with Purolator.

 

[wlaukaitis]

Hmm

I wonder if it is the anti-drainback doo-dad in the filter. There is a site on the web where this dude tested a whole bunch of filters. He said the Wix was the best because it used a diferent material for the anti-drainback valve.

I am not even sure what they/it does, maybe it holds a bit of pressure for a small amount of time?

 

[87natl]

Here's what I'm thinking. Someone tell me if I'm off the beam here.

The new Turbo Saver has the big WIX filter on it, which is not likely a problem. But with the extra lines to move oil thru, it may be slowing the circulation to my block, primarily due to the likelyhood that my oiling system/pump is getting a bit weak. Might be a good time to get a new front cover, do the timing chain and oil pump all at the same time.

I'd love to know what my oil pressure is right now, and need to put a gauge on it. the Saver is coming of tonight regardless, because of the leaks, and I am going to get a gauge on it by this weekend to check out where I stand.

 

[turbosam6]

Originally posted by wlaukaitis
Hmm

I wonder if it is the anti-drainback doo-dad in the filter. There is a site on the web where this dude tested a whole bunch of filters. He said the Wix was the best because it used a diferent material for the anti-drainback valve.

I am not even sure what they/it does, maybe it holds a bit of pressure for a small amount of time?

Kind of hard for a filter to drain back when its vertical. Anti drainback valves are for horizontal filters, like the sock setup, they have no bearing on this issue.

Put a mechanical gauge on it and see if the pressure is slow to come up or what. I doubt the turbo saver is causing the problem.

 

[dyermullet]

Originally posted by turbosam6
Kind of hard for a filter to drain back when its vertical. Anti drainback valves are for horizontal filters, like the sock setup, they have no bearing on this issue.

Put a mechanical gauge on it and see if the pressure is slow to come up or what. I doubt the turbo saver is causing the problem.

I am not trying to be a smartass, but even with a vertical filter couldn't the oil syphon back into the pan if the filter didn't have a drain back valve? Wouldn't gravity try to return the oil to the pan. I am asking because of that reason I thought anti drainbacks were also needed for vertical applications.

Scott

I'm not flameing I am just asking.

 

[Adrian87]

I am having the same problem with my new engine..that's why last week I posted asking about an engine oil primer. I had planned to get an external oil pump, and run it thru the oil cooler adapter to prime the engine with oil before ignition. Right now I just pull the orange wire by the battery and crank the engine for a few seconds, then start. No chatter doing it that way but it's kind of annoying. Only does it when cold, as my car may sit for a week at a time before I can get the time to drive it..maybe I should try that Wix filter? The engine didn't do this when I first put it in, and I only have maybe 1000 miles on it..pretty much noticed it after I switched to Castrol Syntec and a cheap ass filter...any ideas???

 

[gnsrule]

100k engine

We've all heard of 250k motors before, but i've never seen one. Especially something thats been romped on w/ the hp we see on a 6. Bearings dont last forever, thats a given. Get a gauge on there and ill bet that'll tell more of a story.
As far as the filters go, the old turbo savers came w/ a Baldwin filter, ANS had a cut away and filter media sq/ft comparison, After seeing that, I wont run anything else except a Baldwin, unless im in a pinch. The Wix is the NEXT best thing tho
Pending your HP level, A new HV front cover and a chain might do the trick for a while and if it was my motor, id check, find junk and roll in some bearings just for chits and grins.
Good Luck

 

[87natl]

Picked up a gauge today, so I'll let you know what I find.

But the Saver is coming off tonight, like I said, because of the leaking. It is leaking from a fitting that goes into the remote head, and I couldnt even break the fitting loose to try to use some thread seler on it, at least I couldn't break it free with it still on the car. Seems ike they must have JB Welded the thing in there!!

 

[Red Regal T]

I like the idea of the turbo saver. I have one on my car since I bought a new TE 44 about a year and a half ago and have had no problems with it. However, I'm going to remove mine and use a remote oil filter fixture, run the turbo oil feed line to the fixture which will be mounted on the turbo shield bracket, and connect the outlet line from the fixture to the turbo oil inlet. Then, I'll have a filter exclusively for the turbo which takes up a lot less room and I can go back to crossthreading a big oil filter at the stock oil filter location.

 

[87natl]

Update:

Turbo Saver is off and original oiling line reattatched. Purolator filter back in stock location. And I tried every way possible to get my car to rattle tonight,,,,,and I just can't do it.

Cold start, delayed start up after a good drive at 10, 15, 20 minute intervals. No more chatter at startup. Go figure?