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-   -   Engine oil cooler on GM SB 350 (http://www.hotrodders.com/forum/engine-oil-cooler-gm-sb-350-a-223760.html)

jeepers creepers 09-06-2012 02:51 PM

Engine oil cooler on GM SB 350
 
Hey guys, i was wondering if is a good idea to put an engine oil cooler on a mild built 355 Chevy, i'm obsessed about cam and distributor gear wear so i thought it means more load on them due to the restriction created by the little cooler itself but i also think about advantages, cooler oil ( a little ticker too) but less oxidation and may be more protection, i also noticed a drop on engine oil pressure after the mods i did to the pump to avoid cavitation, so a slightly ticker oil it's not too bad...

I'm asking how much the cooler would change the coolant temp, i believe not that much but that's probably more stable?
I've seen sandwich adapters with thermal switch that opens up oil flow after 180 F, i guess it's a very good thing on the wintertime too...

Any help or opinion is very welcome.
Thank you.

75gmck25 09-07-2012 06:40 AM

Oil coolers are good for trucks or for highly modded performance engines, but they aren't used very often on more standard SBC's. I've seen the sandwich adapters and coolers on quite a few GM light trucks in the junkyard, so you could probably pick one up very cheaply. I've also heard that the flexible lines develop leaks over time, maybe because they run so close to engine heat where they come off the sandwich adapter.

Based on your username, is this going in a Jeep? For an off-road vehicle that runs at high RPM and low road speed for a long time I think the external cooler would be worth it. However, its probably not needed on a street vehicle.

Bruce

timothale 09-07-2012 07:28 AM

truck cooler
 
We got a 400 SBC out of a wrecked u-haul truck , 60 K miles, that had a cooler about the size of an aftermarket trans cooler. engine and TH 400 are in a corner of the shop, Not tagged for one of the projects.

jeepers creepers 09-07-2012 01:15 PM

Quote:

Originally Posted by 75gmck25 (Post 1588950)
Oil coolers are good for trucks or for highly modded performance engines, but they aren't used very often on more standard SBC's. I've seen the sandwich adapters and coolers on quite a few GM light trucks in the junkyard, so you could probably pick one up very cheaply. I've also heard that the flexible lines develop leaks over time, maybe because they run so close to engine heat where they come off the sandwich adapter.

Based on your username, is this going in a Jeep? For an off-road vehicle that runs at high RPM and low road speed for a long time I think the external cooler would be worth it. However, its probably not needed on a street vehicle.

Bruce

Thank you for the replies guys, they're so much apprecciated...
Yes, cooler is for a Jeep and will spend a lot of time just off idle so it's not gonna get too much air at low speed...
I'll look forward and get a nice sandwich adapter with a cooler.
Talk soon


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