Oil Pan Gasket '84 GMC vs '86 Maro
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Supreme Member

Joined: Feb 2000
Posts: 1,170
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From: Seattle, Washington
Car: '87 IROC-Z/'82 RX7
Engine: SBC 355/1.1L Rotary
Transmission: T56/5 Speed
Axle/Gears: 4.33/3.93
Oil Pan Gasket '84 GMC vs '86 Maro
Putting an '86 Camaro FI block into my '84 2bbl GMC Jimmy.... I need to swap oil pans because of the front differential. (Jimmy has a deep sump pan). Will the pans be interchangeable? I havn't gotten the '86 block out yet so I can't compare the two. (Doing this at my friends house 60miles away) and want to know what oil pan gasket to use.
Parts stores as me if I have a goodwrench 12bolt pan on the car?
Parts stores as me if I have a goodwrench 12bolt pan on the car?
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Joined: Aug 2002
Posts: 3,827
Likes: 1
From: Gainesville, FL
Car: 1988 Chevy Camaro Hardtop
Engine: Turbocharged/Intercooled 3.1
Transmission: World Class T5 5 Speed
I know an '88 Camaro 2.8 and '93 2.8 Blazer oil pans are different... is the front of your Jimmy's oil pan V shaped, or U shaped?
My '88 Camaro oil pan has a U shaped front...
My '88 Camaro oil pan has a U shaped front...
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Joined: Jul 2001
Posts: 3,974
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From: Pueblo Co
Car: 1989 C4
Engine: L98
Transmission: 700r4
Axle/Gears: 307
Yes and no. Front timing cover may need to be changed. Oil pickup tube is different so of course it needs to be changed. I know hen I did my version of the 3.4 GMHP put me in the hole $2200 long block S10 blazer boogie all the parts needed to be changed but you already knew about the top end so no supprise there.
Thread Starter
Supreme Member

Joined: Feb 2000
Posts: 1,170
Likes: 0
From: Seattle, Washington
Car: '87 IROC-Z/'82 RX7
Engine: SBC 355/1.1L Rotary
Transmission: T56/5 Speed
Axle/Gears: 4.33/3.93
It looks like there were a few more bolts, on the front of the gasket of the jimmy than the camaro... and the back bolts had bigger holes on the jimmy.
Can I just swap the pick up/pan/timing cover from the jimmy to the camaro block?
Can I just swap the pick up/pan/timing cover from the jimmy to the camaro block?
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Joined: Jul 2001
Posts: 4,461
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From: BFE, MD
Car: 13 Ram 1500/ 78 Formy
Engine: 5.7 / 7.4
Transmission: 6sp / TH350
Axle/Gears: 3.55 posi / 3.23
If I remeber correctly, the AZ computer asks if you have a regualr pan or goodwrench pan. that might explain the different number of bolt holes in the gasket/pan/block.
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