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post #1 of 4 (permalink) Old Apr 6th, 11, 11:39 AM Thread Starter
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stock windage tray?

I just had the 383 broken in and a few runs on the dyno.400hp/400ft.lbs. I am using the stock oil pan with built in baffle. Had a small leak in front of pan so i'm pulling the pan. A friend has given me a stock gm windage tray including the studs to replace the main cap bolts with. The engine bolts are all ARP, but i am not sure about the main bolts. They do not say ARP and instead have an X as the only mark identifing them. Have had no luck with a search.

anyone know what the X means?

is the gm stud as strong as the X bolt?

do I really need a windage tray for a street cruiser?
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post #2 of 4 (permalink) Old Apr 6th, 11, 06:35 PM
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Re: stock windage tray?

GM studs are fine. You will need a 6-qt pan to provide clearance or an aftermarket oil pan.

Use mechanical locknuts for the tray to studs, unless the nuts were provided. i have used Nyloc® nuts without a problem.

Deep socket is not dep enough for the torque wrench to torque the bolt/stud. You can use a box end crows foot and attach it to the torque wrench drive at a 90° to be on the same centerline for reading the correct torque.

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post #3 of 4 (permalink) Old Apr 6th, 11, 06:44 PM
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Re: stock windage tray?

I'm a fan of windage trays and have used them on pretty much everything.
I don't know if this is the reason but a friend of mine had a really hot 362" sbc built, it is a solid flat tappet cam and he used an aftermarket pan with a tray and trap doors etc and his cams kept going flat, they were somewhat radical which may have been the culprit but his builder said since he drives it primarily on the street the tray was preventing the crank/rods from lubing the cam lobes... Something to consider I guess? But I've never had a problem with stock gm trays.

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post #4 of 4 (permalink) Old Apr 6th, 11, 11:17 PM Thread Starter
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Re: stock windage tray?

I must have a 5 qt. stock pan. It looked really close when I measured the clearance. I will have to decide if the tray is worth buying a new pan. The nuts were gold and he said they were grade 8, they were seperate from the lock nuts. Will use the Nyloc if I do it. Deep socket IS too shallow, I'll pick up the crows foot. Thanks Everett.

AJ, good to know I will keep that in mind. Thanks
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