which bbc oil pan - The 1947 - Present Chevrolet & GMC Truck Message Board Network

69GMC4x4sdca · 01-03-2008, 01:57 PM

Installing 454 in a 1969 GMC K 2500.Have relocated engine crossmember forward about two inches.The oil pan I have will not clear crossmember.Does anyone know which pan I need to use.Any help would be appreciated thanks.

**Yukon Jack** · 01-04-2008, 05:53 AM

My 454 and it's oil pan that I put in my 69 K20 came from a 1989 2wd 1 ton and the clearance was very close at the oil pan - I used a couple washers to raise the engine a touch. Without the spacers there was maybe 1/8" of clearance.

Offroad Desing has a custom engine crossmember which fixes this problem I believe.

**Yukon Jack** · 01-04-2008, 05:54 AM

BTW, can you post some pics of your engine placement? Did moving the engine forward 2" fix your firewall issues or did you do anything else?

69GMC4x4sdca · 01-04-2008, 05:35 PM

Yukon Jack thanks for your reply.Height of engine is not an issue.The pan I have when the engine is lowered into postion the pan is against the crosmember and will not set down all the way.Have already ruined two crossmember trying to modify them to get engine to fit.Crossmember is the original sbc type.Here are a few pics.Guess I need to find a different oil pan and try it.

**Yukon Jack** · 01-05-2008, 05:53 AM

Could you get your hands on an 73-up crossmember? I think they give better oil pan clearance - PM burt4x4 to find out for sure, he was using one for a while with his bbc.

mosesburb · 01-12-2008, 06:38 PM

'73 and up mount brackets and x-member will fix your problems. When I put a GenV BBC in my '72 I pulled the pan and cut the offending area out and welded in a couple flat plates to cover the hole I created. It worked out good, but if I had it to do again, I think I would go with, at a minimum, the frame brackets for the '73 up and ideally make my own x-member or as a last resort, install the x-member for the '73 up.

Burt4x4 · 01-13-2008, 06:07 AM

If I had to doit again I would get DIY4X's first gen crossemember. Works great.

This is the 73+ crossmember it was a ***** to get in there but it worked, then it cracked. It was about 1/8" from touching...

Replaced the cracked one with ORD's x-member...still VERY tight, but not touching.

The engine does not move or twist in it's mounts, ORD engine mounts, so being so close doesn't seam to be a problem. But if I have to do it again the DIY4x solution is a much better fit with room to spare. I can't remember who it was that put one in..might be over at CK5 in the first gen fourm there.
Good Luck hope this helps.
Oh my oil pan is GM, not sure of the prt number as my engine guy scored it for me. It has the windage tray & flaps inside to help prevent oil sloshing about.
Burt

green724x4 · 01-13-2008, 07:03 AM

69GMC4x4sdca
Did you have any issues with header or exhaust manifold clearance after moving your motor mounts forward? What are you running for headers if so? Do you have clearance issues with the radiator? Sry if I hijacked the thread.

69GMC4x4sdca · 01-15-2008, 05:36 AM

Thanks to all that responced.Found the DIY4X site and have ordered their first generation crossmember.Will post some pics when installed.Plan on running stock exhaust manifolds for now.Should not have any radiator clearance issue I hope.

'71c204x4454 · 01-16-2008, 10:05 AM

I also run stock exhaust manifolds. Before you install them there is a little nub sticking out on the drivers side torward the front that you will have to shave off. Well I had to any way but I didn't move mine forward but it will save you some headache just in case.

01-03-2008, 01:57 PM	#1
69GMC4x4sdca Registered User Join Date: Jan 2008 Location: Lakeside,CA. Posts: 10	which bbc oil pan Installing 454 in a 1969 GMC K 2500.Have relocated engine crossmember forward about two inches.The oil pan I have will not clear crossmember.Does anyone know which pan I need to use.Any help would be appreciated thanks.

01-04-2008, 05:53 AM	#2
Yukon Jack Post Whore Join Date: Feb 2000 Location: Rose Hill, KS, USA Posts: 12,683	Re: which bbc oil pan My 454 and it's oil pan that I put in my 69 K20 came from a 1989 2wd 1 ton and the clearance was very close at the oil pan - I used a couple washers to raise the engine a touch. Without the spacers there was maybe 1/8" of clearance. Offroad Desing has a custom engine crossmember which fixes this problem I believe. __________________ 1970 Blazer with a 400 sbc and 4" lift 1980 Pontiac Trans Am, 455 Oldsmobile 2012 Kawasaki Concours 14

01-04-2008, 05:54 AM	#3
Yukon Jack Post Whore Join Date: Feb 2000 Location: Rose Hill, KS, USA Posts: 12,683	Re: which bbc oil pan BTW, can you post some pics of your engine placement? Did moving the engine forward 2" fix your firewall issues or did you do anything else? __________________ 1970 Blazer with a 400 sbc and 4" lift 1980 Pontiac Trans Am, 455 Oldsmobile 2012 Kawasaki Concours 14

01-04-2008, 05:35 PM	#4
69GMC4x4sdca Registered User Join Date: Jan 2008 Location: Lakeside,CA. Posts: 10	Re: which bbc oil pan Yukon Jack thanks for your reply.Height of engine is not an issue.The pan I have when the engine is lowered into postion the pan is against the crosmember and will not set down all the way.Have already ruined two crossmember trying to modify them to get engine to fit.Crossmember is the original sbc type.Here are a few pics.Guess I need to find a different oil pan and try it. Attached Images

01-05-2008, 05:53 AM	#5
Yukon Jack Post Whore Join Date: Feb 2000 Location: Rose Hill, KS, USA Posts: 12,683	Re: which bbc oil pan Could you get your hands on an 73-up crossmember? I think they give better oil pan clearance - PM burt4x4 to find out for sure, he was using one for a while with his bbc. __________________ 1970 Blazer with a 400 sbc and 4" lift 1980 Pontiac Trans Am, 455 Oldsmobile 2012 Kawasaki Concours 14

01-12-2008, 06:38 PM	#6
mosesburb I had a V-8 Join Date: May 2003 Location: Phoenix AZ Posts: 1,116	Re: which bbc oil pan '73 and up mount brackets and x-member will fix your problems. When I put a GenV BBC in my '72 I pulled the pan and cut the offending area out and welded in a couple flat plates to cover the hole I created. It worked out good, but if I had it to do again, I think I would go with, at a minimum, the frame brackets for the '73 up and ideally make my own x-member or as a last resort, install the x-member for the '73 up. __________________ 1972 K20 Suburban, 5.9L Cummins, Banks Power Pack, NV4500HD, NP205, H.A.D., D60/14FF ARB Link To Build: HERE.

01-13-2008, 06:07 AM	#7
Burt4x4 Registered User Join Date: Feb 2000 Location: Modesto, CA Posts: 1,842	Re: which bbc oil pan If I had to doit again I would get DIY4X's first gen crossemember. Works great. This is the 73+ crossmember it was a *** to get in there but it worked, then it cracked. It was about 1/8" from touching... Replaced the cracked one with ORD's x-member...still VERY tight, but not touching. The engine does not move or twist in it's mounts, ORD engine mounts, so being so close doesn't seam to be a problem. But if I have to do it again the DIY4x solution is a much better fit with room to spare. I can't remember who it was that put one in..might be over at CK5 in the first gen fourm there. Good Luck hope this helps. Oh my oil pan is GM, not sure of the prt number as my engine guy scored it for me. It has the windage tray & flaps inside to help prevent oil sloshing about. Burt __________________ 1972 K5 MPFI454/Sm465/Np205/D60/14FFd/Re-Centerd H1s w/Swamper Iroks**

01-13-2008, 07:03 AM	#8
green724x4 Registered User Join Date: Feb 2007 Location: MI Posts: 214	Re: which bbc oil pan 69GMC4x4sdca Did you have any issues with header or exhaust manifold clearance after moving your motor mounts forward? What are you running for headers if so? Do you have clearance issues with the radiator? Sry if I hijacked the thread.

01-15-2008, 05:36 AM	#9
69GMC4x4sdca Registered User Join Date: Jan 2008 Location: Lakeside,CA. Posts: 10	Re: which bbc oil pan Thanks to all that responced.Found the DIY4X site and have ordered their first generation crossmember.Will post some pics when installed.Plan on running stock exhaust manifolds for now.Should not have any radiator clearance issue I hope.

01-16-2008, 10:05 AM	#10
'71c204x4454 '71k204x4454 Join Date: Jan 2004 Location: Hood River Or. Posts: 137	Re: which bbc oil pan I also run stock exhaust manifolds. Before you install them there is a little nub sticking out on the drivers side torward the front that you will have to shave off. Well I had to any way but I didn't move mine forward but it will save you some headache just in case. __________________ 1971 K20 4x4 1964 buick skylark convertible



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