71 motor swap.....and then some.. - The 1947 - Present Chevrolet & GMC Truck Message Board Network

greasemonkey71 · 08-12-2011, 01:42 AM

Ok well I guess its about time to get this started....
I'll be swapping out the 5.3/4l60e and rear end out of my 03 sierra into my 71 c10..

I bought my motor mounts from ECE on tuesday....

Ipulled the motor and trans out tonight ...everythig went pretty smooth

ill post pictures tomo
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usmcchevy · 09-11-2011, 05:28 PM

Get her in?

6.0 1955 · 09-11-2011, 05:37 PM

Is the rear end from the newer trucks approximately the same width so they fit the 67-72 trucks? Post some pics up of your swap. Thanks

BR3W CITY · 09-13-2011, 08:34 PM

depends on which rear end and how new yer talkin

6.0 1955 · 09-13-2011, 11:03 PM

The initial post by grease monkey states he is going to use a 2003 rearend. Therefore can any 1999 and up rearend be used with modification in the 1967-1972 trucks. Are the track widths approximately the same?
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BR3W CITY · 09-15-2011, 08:55 PM

from what I can find, the 03 rear track width was at 66 inches.
The 64-69 trucks lists the rear track at 60.5

Found a list on the crankshaftcoalition, i just lost the link but you can google it.

08-12-2011, 01:42 AM	#1
greasemonkey71 Registered User Join Date: Nov 2010 Location: johnstown, CO Posts: 184	71 motor swap.....and then some.. Ok well I guess its about time to get this started.... I'll be swapping out the 5.3/4l60e and rear end out of my 03 sierra into my 71 c10.. I bought my motor mounts from ECE on tuesday.... Ipulled the motor and trans out tonight ...everythig went pretty smooth ill post pictures tomo Posted via Mobile Device

09-11-2011, 05:28 PM	#2
usmcchevy Has more rust than truck... Join Date: Apr 2005 Location: Ivanhoe, MN Posts: 2,421	Re: 71 motor swap.....and then some.. Get her in? __________________ 1972 Custom/10 SWB, 4.8/4l80e Build thread LSx Swap FAQ index

09-11-2011, 05:37 PM	#3
6.0 1955 Registered User Join Date: Jul 2011 Location: Ashland, KY Posts: 91	Re: 71 motor swap.....and then some.. Is the rear end from the newer trucks approximately the same width so they fit the 67-72 trucks? Post some pics up of your swap. Thanks

09-13-2011, 08:34 PM	#4
BR3W CITY meowMEOWmeowMEOW Join Date: Sep 2009 Location: MKE WI Posts: 7,128	Re: 71 motor swap.....and then some.. depends on which rear end and how new yer talkin __________________ *'66 Short Step / SD Tuned / Big Cam LQ4 / Backhalfed /Built 4l80e / #REBUILDEVERYTHING* MY BUILD THE H8RDCPTR //\\ MY YOUTUBE CHANNEL REV J HD

09-13-2011, 11:03 PM	#5
6.0 1955 Registered User Join Date: Jul 2011 Location: Ashland, KY Posts: 91	Re: 71 motor swap.....and then some.. The initial post by grease monkey states he is going to use a 2003 rearend. Therefore can any 1999 and up rearend be used with modification in the 1967-1972 trucks. Are the track widths approximately the same? Posted via Mobile Device

09-15-2011, 08:55 PM	#6
BR3W CITY meowMEOWmeowMEOW Join Date: Sep 2009 Location: MKE WI Posts: 7,128	Re: 71 motor swap.....and then some.. from what I can find, the 03 rear track width was at 66 inches. The 64-69 trucks lists the rear track at 60.5 Found a list on the crankshaftcoalition, i just lost the link but you can google it. __________________ *'66 Short Step / SD Tuned / Big Cam LQ4 / Backhalfed /Built 4l80e / #REBUILDEVERYTHING* MY BUILD THE H8RDCPTR //\\ MY YOUTUBE CHANNEL REV J HD

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