engine fit???? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Big_Chevy_man · 06-13-2009, 10:27 PM

ok so im biulding up my 67 chevy c 10 it has a 283 and 350 tranny from 63-65 i was wondering if a 455 and 400 tranny out of a 72 olds 98 would fit and what mods r neciary to make it fit

**special-K** · 06-14-2009, 04:58 AM

It surely fits.I`m not sure about the motor mount locations.If they are different you will just need to fab motor mount perches.The transmission is no problem.

PanelDeland · 06-14-2009, 10:44 AM

I did 3 swaps like that in the early 80's.I don't remember exactly what years though they were close.The trucks were tons ,but should be real close in that area if not exactly the same.I had both the donor cars and the recieving trucks and IIRC I never made a trip to the APS.Meaning I used all stock parts from one or the other of each to do the work.Should make for a fun ride.The ones I did were old boom wreckers for a JY.

**Boog** · 06-14-2009, 12:00 PM

It will fit with room to spare. And you'll love the torque of that big Olds. I could be wrong but seems I remember bb chevy mounts worked with the Olds install.

tranz am · 06-14-2009, 01:00 PM

It will work. You need the mount perches from a 73 to 88 olds diesel or BB Chevy powered truck.

Quote:

Originally Posted by Big_Chevy_man

ok so im biulding up my 67 chevy c 10 it has a 283 and 350 tranny from 63-65 i was wondering if a 455 and 400 tranny out of a 72 olds 98 would fit and what mods r neciary to make it fit

jeffspower · 06-14-2009, 01:18 PM

67- 72 6cyl. perches with Olds mounts also work good. You just have to drill thru the perches for the Olds mount "thru bolt". There are 2 common Olds mounts- one style puts the engine up a little higher. I think we used the "low" style on the last swap we did.

Big_Chevy_man · 06-27-2009, 08:56 PM

i desided not to put the 455 in im putting a built up 350 in thats pushing around 400 hp i got some dot approved drag slicks for it and sidepipes ill put pics up when its done

06-13-2009, 10:27 PM	#1
Big_Chevy_man Registered User Join Date: Nov 2006 Location: grand forks ND Posts: 45	engine fit???? ok so im biulding up my 67 chevy c 10 it has a 283 and 350 tranny from 63-65 i was wondering if a 455 and 400 tranny out of a 72 olds 98 would fit and what mods r neciary to make it fit Last edited by Big_Chevy_man; 06-13-2009 at 10:28 PM.

06-14-2009, 04:58 AM	#2
special-K Special Order Join Date: Nov 2004 Location: Mt Airy, MD Posts: 85,851	Re: engine fit???? It surely fits.I`m not sure about the motor mount locations.If they are different you will just need to fab motor mount perches.The transmission is no problem. __________________ "BUILDING A BETTER WAY TO SERVE THE USA"......67/72......"The New Breed" GMC '67 C1500 Wideside Super Custom SWB: 327/M22/3.42 posi.........."The '67" (project) GMC '72 K2500 Wideside Sierra Custom Camper: 350/TH350/4.10 Power-Lok..."The '72" (rolling) Tim "Don't call me a redneck. I'm a rough cut country gentleman" R.I.P. ~ East Side Low Life ~ El Jay ~ 72BLUZ ~ Fasteddie69 ~ Ron586 ~ 67ChevyRedneck ~ Grumpy Old Man ~

06-14-2009, 10:44 AM	#3
PanelDeland I am a Referee of life. Join Date: Jun 2000 Location: Greensboro N.C. Posts: 13,992	Re: engine fit???? I did 3 swaps like that in the early 80's.I don't remember exactly what years though they were close.The trucks were tons ,but should be real close in that area if not exactly the same.I had both the donor cars and the recieving trucks and IIRC I never made a trip to the APS.Meaning I used all stock parts from one or the other of each to do the work.Should make for a fun ride.The ones I did were old boom wreckers for a JY. __________________ The 47-present Chevrolet and GMC Truck Message Board Network,it's owners,moderators,members,and associates of any type should not be held responsible for my opinion. You can't fix stupid,not even with duct tape. "My appearance is due to the fact that "GOD" does punish you for having too much fun!" Barrett-Jackson has perfected alchemy,they make rust into gold! "You can lead a horse to water but you can't saddle a duck" "Cleverly disguised as a 'Responsible Adult' "Sometimes your Knight in shining armor is just a retard in tinfoil" Last edited by PanelDeland; 06-14-2009 at 10:46 AM.

06-14-2009, 12:00 PM	#4
Boog laying low Join Date: Mar 2001 Location: Searcy, Ark. USA Posts: 13,514	Re: engine fit???? It will fit with room to spare. And you'll love the torque of that big Olds. I could be wrong but seems I remember bb chevy mounts worked with the Olds install. __________________ Boog 69 Chevy stepside, 358/T350, 4.11 posi, 4.5/4 drop, rallys, poboy driver primer is finer 91 Chevy sportside, Tahoe, Yukon & GMC Crewcab All GM..'nuff said. I stand for the flag and kneel at the cross

06-14-2009, 01:18 PM	#6
jeffspower Well, Whoop-dee-do! Join Date: Mar 2003 Location: Easton, Mo. pop.- me & scarcely a few others Posts: 2,302	Re: engine fit???? 67- 72 6cyl. perches with Olds mounts also work good. You just have to drill thru the perches for the Olds mount "thru bolt". There are 2 common Olds mounts- one style puts the engine up a little higher. I think we used the "low" style on the last swap we did. __________________ '68 GMC shortbox 4x4 350/SM465/T221- bought it in '83 SOLD '72 K20 500 Cad/TH400/NP205 SOLD '92 Chevy 2500 6.5 mech TD 4L80E crusty daily driver '72 Monte Carlo... sweet low mile toy '11 Dodge Challenger IE 392 6spd... midlife car

06-27-2009, 08:56 PM	#7
Big_Chevy_man Registered User Join Date: Nov 2006 Location: grand forks ND Posts: 45	Re: engine fit???? i desided not to put the 455 in im putting a built up 350 in thats pushing around 400 hp i got some dot approved drag slicks for it and sidepipes ill put pics up when its done

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