[GasTungstenArc]

Good morning, all.

For V8 SBC swap consideration, would a rear sump oil pan such as this one be a direct fit into a RWD Astro V8 conversion?

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I don't know how much variety there is to SBC oil pans other than rear main seal type and dipstick location. As far as dipstick and main seal type are concerned, this pan would work for me. But I don't know about clearance in our vans. I believe that the stock truck pan works on a RWD, and this appears to be very similar in dimensions to the truck pan, but I don't know what I don't know.

Bling is cheap for a SBC, and I really like to replace stamped steel parts with cast aluminum parts wherever possible.

 

[markmitch]

yes that pan should be fine, any small block Chevy engines from 1986 to newer will be 1 piece rear main seal.

 

[GasTungstenArc]

yes that pan should be fine, any small block Chevy engines from 1986 to newer will be 1 piece rear main seal.

So is the sump location and depth pretty much a constant? I would have expected the sump to move around and change from one model to another. If it doesn't, well, that makes it easy.

 

[Big_kid]

Pretty much. I'm running the stock plan that was on the 92 Buick Roadmaster donor. I believe it's the same as the G20 van donor too.

 

[GasTungstenArc]

Pretty much. I'm running the stock plan that was on the 92 Buick Roadmaster donor. I believe it's the same as the G20 van donor too.

Well, that certainly makes things easier. With all the different bodies that the SBC has been in, I would never have thought that they all use the same oil pan.

 

[M_a_t_t]

I am using the pan from my donor, 94 G30, & I think there's a good amount of clearance between it and the subframe. I know I was able to remove the oil pan with the engine in the astro.

 

[Mr_Roboto]

I've used Camaro pans before no issue. Also am running a Nova kick out pan without issue, it's the same as a first gen Camaro.

 

[cowgirlcullen]

Oh man, I need help! I have a pre-86 sbc 400 with a 2 piece rear main. What the heck do I do? I talked to the Jegs guy a year ago, he still had 2 custom oil pans left, but he said they were a no-go. I then quit.

So now I'm trying to start this project again. If anyone wants to make some money or knows of an experienced van mechanic that could help me that would be great! I'm in Montana, but I'm willing to haul the van and engine to get this done properly. Here's my list of what I need done. Thanks so much!

-V8 swap
-Add oil cooler
-Add trans oil cooler
-Lift for bigger tires
-Undercarriage cleaned and
treated for surface rust

 

[Mmusicman]

Lift the van.. lift the motor... problem solved.
I've heard 2" should do it (maybe a tad more for Gen1 block)