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Username Post: Eliminating oil cooler        (Topic#237303)
Impalaman1966 
Senior Member
Posts: 6228

Loc: Geneva, Il., USA
Reg: 03-17-01
03-08-10 03:45 PM - Post#1876345    

1993 C1500, 350 gas engine, factory oil cooler. The rubber lines are starting to weep a bit, its a pain to change them. Can I remove them at the oil filter adapter and plug the ports? I was just at the dealer, the non-cooler filter adapter is no longer available, according to them. They showed "plugs" at the ports, but neither the service or parts guys could tell me if they just plugged off the cooler lines. I wasn't sure if the lines needed to be looped, or if I can block them off. Also, are the ports just NPT, or some oddball thread I'll never find? Thanks a bunch.


 
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Skerlock 
Contributor
Posts: 257

Reg: 03-06-10
03-08-10 03:59 PM - Post#1876360    
    In response to Impalaman1966

I just had mine off for a cleaning before i installed a new engine. Didn't seem too tough. When I gave the cooler adapter to the Builder he installed just fine. Otherwise, i should have been able to spin on a new filter if I didn't use the cooler. It was 2 hex head bolts that mounted the adapter.

Scott
Scott

1988 1/2 Ton 4 W/D Suburban
383 Stroker (Roller)
Performer Edelbrock Manifold
670 CFM Holley TBI
3" Exhaust No Cat(shhhh), Flow Master 40
190 LPH In-tank Fuel Pump 21 PSI
EBL (Dynamic EFI) Computer


 
someotherguy 
Moderator
Posts: 25749
someotherguy
Age: 44
Loc: Texas
Reg: 08-01-03
03-08-10 05:42 PM - Post#1876459    
    In response to Impalaman1966

Yo bud...you can get the regular filter adapter from most parts houses, and from mail order places like Summit, too.

Summit brand http://www.summitracing.com/parts/SES-3-60-08-900 /

Mr. Gasket http://www.summitracing.com/parts/MRG-1272/

etc.

Or hit a machine shop, engine rebuilder, boneyard, etc. and just remove one from an older small block. Be sure to get the bolts.

Richard
94 C2500LD / 97 Suburban LS1 / 06 300C SRT8
Check out my truck shop projects


 
Impalaman1966 
Senior Member
Posts: 6228

Loc: Geneva, Il., USA
Reg: 03-17-01
03-08-10 05:57 PM - Post#1876472    
    In response to someotherguy

Thanks Richard. I wanted to get a brand new one if possible, isn't there a spring for the bypass? An old one might be weak and just bypass all the time. I was afraid of aftermarket...you never know what chinese junk you'll end up with, but I guess Summit will have good stuff.


 
Bill K.b 
Senior Member
Posts: 4251

Loc: upstate NY
Reg: 10-24-05
03-08-10 06:01 PM - Post#1876475    
    In response to Impalaman1966

Buy a used one and swap out the spring from yours. Same difference.
Those who can, do. Those who can't, criticize it on the internet.

1988 G20 van 5.7L - driver.
1993 3500 dually 5.7L NV4500 - tow truck
1991 G20 van - parts truck

Plus cars for swap and sale
&yes, I once tried a frame swap on a 51 Chevy.


 
Impalaman1966 
Senior Member
Posts: 6228

Loc: Geneva, Il., USA
Reg: 03-17-01
03-09-10 10:00 AM - Post#1876866    
    In response to Bill K.b

The adapters Richard sent say 1968-1986. Mr. Gasket tech support says NOT to use theirs on my 1993 engine. Any idea why?


Edited by Impalaman1966 on 03-09-10 10:03 AM. Reason for edit: No reason given.

 
cupsz71 
Forum Newbie
Posts: 32
cupsz71
Loc: Minot, ND.
Reg: 04-19-07
03-10-10 10:38 AM - Post#1877504    
    In response to Impalaman1966

Not sure what brand of adapter I used on my '94 5.7L, but when I replaced the radiator I decided to eliminate the ever leaking cooler lines.

The adapter part was about $30. But remember to use the SHORT filter as the front driveshaft gets in the way.

I also found that I had to replace my oil sending unit shortly afterwards as it started to wig out and give me faulty readings.
Now it's pretty good, but reads HIGH when cold and like to fluctuate wildly when hot and you back off on the throttle. It reads 40-50psi at highway spd, and drops to 20psi at idle..or lower.

my .02¢
1994 SILVERADO Z71 - (161K)Daily Driver
2002 TRAILBLAZER LT - (62k) (Daily Driver)
2008 Arctic Cat 650H1 TRV - (1460K)Mine
2009 Arctic Cat 550H1 - (515mls)Wifey's
2009 Arctic Cat 250 4x2 - (300Mls) "Boys"
2009 United 16x7 Shed/Hauler


 
Bill K.b 
Senior Member
Posts: 4251

Loc: upstate NY
Reg: 10-24-05
03-10-10 07:10 PM - Post#1877807    
    In response to cupsz71

That's normal AFAIK. The pump spins slower at lower RPMs and puts out less pressure.
Those who can, do. Those who can't, criticize it on the internet.

1988 G20 van 5.7L - driver.
1993 3500 dually 5.7L NV4500 - tow truck
1991 G20 van - parts truck

Plus cars for swap and sale
&yes, I once tried a frame swap on a 51 Chevy.


 
tmsnyder 
Senior Member
Posts: 998
tmsnyder
Loc: Buffalo, NY
Reg: 06-13-06
03-11-10 05:15 PM - Post#1878329    
    In response to Impalaman1966

My cousins truck about your year blew its oil cooler line, dumped all the oil on the ground and ruined the engine. He's not a huge fan of those oil coolers now.
'56 Chevy 4dr 210 327ci
'97 GMC K1500 Suburban 6.5TD


 
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