GMC-IH

[AuroraGirl]

Speaking of oil ..

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This mod may be overkill ..
My thought here was to add more lubrication to the cam chain ..

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A .040" hole drilled into the NPT 1/4" plugs will do the job ..

Also doing a bit of protection by installing screens on the oil return from the top end to the pan ..

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what year is that oil cooler from, the gmt400 have a lot of TSBs about them and if its from the 90s i will find some of them , because the bad issues range from leaks to oil starvation to dry starts

 

[AuroraGirl]

Been many a moon since I worked on a W Series Big Block ..

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Buddy has a 61 Bubble Top Chevy with a 348ci in it ..
He's wanting to go though it and get it back to looking like new again ...

The car has really low miles on it, everything in the motor should still be at STD ..

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Fixing to find out ..

Meanwhile ...
Got a bit more work done to the 454 ..

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All the belts are on ..
Hoping they will stay on at 6 grand ??
Tracking looks great now .. Took a bit of work to make that happen ...

Also got around to fabricating a mount for the oil tube & stick ..

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Got a good start on it ..

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A little more welding and dressing in, be ready for paint ..

id also recommend a different alternator, one with a modern regulator like cs130 to cs130d and ad230 will have a soft start feature, meaning no belt loading until the engine is running
less likely to squeal or slip and also helps the engine by making it less resistance to turning over

And good belts and pulleys
The pulley will swap directly to a cs130 for example

 

[dragstews]

what year is that oil cooler from ?

88

 

[idahovette]

I have the GM front galley plugs with holes that are installed in each BBC I build. Supposedly it reduces a "knock" or tap in the engine, also.

 

[Shorty81]

Now that I've took the bore .060" oversize I'm wondering if it's going to be a bear to keep cool ??

Thought is to add a oil cooler to help the cause ..

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Whatcha think, Fellows ?

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My 496 runs 185 all day long. I have a direct drive fan with extension to run it deep into shroud. And with 3 core radiator.