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#1 |
Registered User
![]() Join Date: Jul 2007
Location: Poplar Bluff, MO 63901
Posts: 293
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Transmission Crossmember 5.3 / 4L60 Swap
I need some help.
I'm doing a 5.3 / 4L60 swap and I need some ideas for the transmission crossmember. I really don't want to use the OEM crossmember so I'm thinking about making my own. The OEM member is off by about 1". Any suggestions or pics that you have would be greatly appreciated!!
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It's Not Rust, It's Patina!! 1967 ![]() 2008 ![]() |
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#2 |
Registered User
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Location: Poplar Bluff, MO 63901
Posts: 293
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Re: Transmission Crossmember 5.3 / 4L60 Swap
Here are some pics of my crossmember
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It's Not Rust, It's Patina!! 1967 ![]() 2008 ![]() |
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#3 |
*************
![]() Join Date: Apr 2005
Location: Pensacola, FL
Posts: 17,846
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Re: Transmission Crossmember 5.3 / 4L60 Swap
You could redrill the holes and use the facotory one. I used an ECE tranny crossmember.
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Rob - https://www.instagram.com/hart_rod_c10 As Iron Sharpens Iron, So One Man Sharpens Another. Proverbs 27:17 FOR SALE: DBW pedal bracket - http://67-72chevytrucks.com/vboard/s...d.php?t=651123 FOR SALE: Hood Brackets http://67-72chevytrucks.com/vboard/s...d.php?t=679945 1987 Silverado SWB - 34.5K original miles http://67-72chevytrucks.com/vboard/s...d.php?t=801834 1969 SuperBurb - http://67-72chevytrucks.com/vboard/s...d.php?t=200387 1968 Farm truck - http://67-72chevytrucks.com/vboard/s...d.php?t=358692 1968 SWB - http://67-72chevytrucks.com/vboard/s...d.php?t=551258 1948 Chevy - http://67-72chevytrucks.com/vboard/s...=122164&page=3 Last edited by Hart_Rod; 07-11-2009 at 07:20 PM. |
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#4 |
Registered User
![]() Join Date: Jun 2006
Location: Olive Branch, MS
Posts: 824
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Re: Transmission Crossmember 5.3 / 4L60 Swap
I moved mine/redrilled holes for my 700R4 install.
But ECE and CPP make nice ones.
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68 C10 Shortbed Fleetside 06 Chevy Ext Cab Fleetside 03 Grand Prix GTP My build thread http://67-72chevytrucks.com/vboard/s...d.php?t=269999 |
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#5 |
Junior Member
Join Date: Nov 2006
Location: Indiana
Posts: 181
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Re: Transmission Crossmember 5.3 / 4L60 Swap
Did the ECE use the same bolt holes as OEM?
I have also used the original one and just redrilled.
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1967 Camaro (in pieces) 1972 Chevrolet K/5 Blazer 1969 Chevrolet K/5 Blazer 2000 Chevrolet K2500 Crew Cab 454 1999 Chevrolet Blazer 2008 Polaris Ranger XP Orange Crush ![]() |
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#6 |
Registered User
Join Date: Sep 2005
Location: sc
Posts: 1,203
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Re: Transmission Crossmember 5.3 / 4L60 Swap
hope to redrill my stocker this week!
I have not really looked yet, will the frame need redrilling or the mount location on the Xmember?
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71 Cheyenne C10 LWB cam'd 6.0/T56 Swap |
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#7 |
Registered User
![]() Join Date: Jul 2007
Location: Poplar Bluff, MO 63901
Posts: 293
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Re: Transmission Crossmember 5.3 / 4L60 Swap
Thanks for the replies. I too am interested to find out if the ECE mount required redrilling. Seems that there are almost too many holes in the frame already.
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It's Not Rust, It's Patina!! 1967 ![]() 2008 ![]() |
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#8 |
the boat guy
Join Date: Jul 2007
Location: springfield mo
Posts: 2,339
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Re: Transmission Crossmember 5.3 / 4L60 Swap
im drilling the frame to make my stock x member fit. i have other stuff to spend money on.
have you tried swapping sides with your motor mounts, they have about an inch of offset. it never hurts to move an engine back if you have clearance.
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67, swb, fleet, tach, throttle, 5.3, 4l60e, 3.73's, fuel cell, 5 lug, p.d.b., 4-6 drop. great little truck 66, stevens drag/ski 18' silouette, 350, 2.02 doublehump heads. comp extreme marine 278 cam, vette 7 fin valve covers, old polished edelbrock intake, velvetdrive, casale v-drive, adj cavitation plate. 28, model a rpu project, |
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#9 |
*************
![]() Join Date: Apr 2005
Location: Pensacola, FL
Posts: 17,846
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Re: Transmission Crossmember 5.3 / 4L60 Swap
I used ECE motor mounts, ECE tranny crossmember and the factory 5.3/4L60E tranny mount (center bolt) and did not have to drill any holes.
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Rob - https://www.instagram.com/hart_rod_c10 As Iron Sharpens Iron, So One Man Sharpens Another. Proverbs 27:17 FOR SALE: DBW pedal bracket - http://67-72chevytrucks.com/vboard/s...d.php?t=651123 FOR SALE: Hood Brackets http://67-72chevytrucks.com/vboard/s...d.php?t=679945 1987 Silverado SWB - 34.5K original miles http://67-72chevytrucks.com/vboard/s...d.php?t=801834 1969 SuperBurb - http://67-72chevytrucks.com/vboard/s...d.php?t=200387 1968 Farm truck - http://67-72chevytrucks.com/vboard/s...d.php?t=358692 1968 SWB - http://67-72chevytrucks.com/vboard/s...d.php?t=551258 1948 Chevy - http://67-72chevytrucks.com/vboard/s...=122164&page=3 Last edited by Hart_Rod; 07-12-2009 at 06:29 PM. |
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#10 |
Account Suspended
![]() Join Date: Nov 2008
Location: Prunedale California
Posts: 782
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Re: Transmission Crossmember 5.3 / 4L60 Swap
Hart Rod, who makes those headers on your 5.3? Did you had any clearance problems? Do you mind telling us how much you paid for them? Thanks.
Last edited by Puropedo; 07-12-2009 at 08:08 PM. |
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#11 |
the boat guy
Join Date: Jul 2007
Location: springfield mo
Posts: 2,339
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Re: Transmission Crossmember 5.3 / 4L60 Swap
doug thorley tri y 67-72 ls1 swap headers.... alot$. theirs a thread dedicated to those headers, i have a pair, very nice. could use a little more firewall clearance. and dont ever use "purple power" degreaser on them!
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67, swb, fleet, tach, throttle, 5.3, 4l60e, 3.73's, fuel cell, 5 lug, p.d.b., 4-6 drop. great little truck 66, stevens drag/ski 18' silouette, 350, 2.02 doublehump heads. comp extreme marine 278 cam, vette 7 fin valve covers, old polished edelbrock intake, velvetdrive, casale v-drive, adj cavitation plate. 28, model a rpu project, |
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#12 |
Registered User
![]() Join Date: Jul 2007
Location: Poplar Bluff, MO 63901
Posts: 293
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Re: Transmission Crossmember 5.3 / 4L60 Swap
Thanks for the pics Rob!! If I had seen them earlier I would have used ECE stuff.
Currently I have Performance Online motor mounts and I wondering if the trans cross member that they offer will be a direct bolt up as well. Again, thanks for all the replies!!
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It's Not Rust, It's Patina!! 1967 ![]() 2008 ![]() |
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#13 | ||
*************
![]() Join Date: Apr 2005
Location: Pensacola, FL
Posts: 17,846
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Re: Transmission Crossmember 5.3 / 4L60 Swap
Quote:
![]() http://www.67-72chevytrucks.com/vboa...d.php?t=287231 Quote:
R/
__________________
Rob - https://www.instagram.com/hart_rod_c10 As Iron Sharpens Iron, So One Man Sharpens Another. Proverbs 27:17 FOR SALE: DBW pedal bracket - http://67-72chevytrucks.com/vboard/s...d.php?t=651123 FOR SALE: Hood Brackets http://67-72chevytrucks.com/vboard/s...d.php?t=679945 1987 Silverado SWB - 34.5K original miles http://67-72chevytrucks.com/vboard/s...d.php?t=801834 1969 SuperBurb - http://67-72chevytrucks.com/vboard/s...d.php?t=200387 1968 Farm truck - http://67-72chevytrucks.com/vboard/s...d.php?t=358692 1968 SWB - http://67-72chevytrucks.com/vboard/s...d.php?t=551258 1948 Chevy - http://67-72chevytrucks.com/vboard/s...=122164&page=3 Last edited by Hart_Rod; 07-12-2009 at 08:42 PM. |
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#14 |
Account Suspended
![]() Join Date: Nov 2008
Location: Prunedale California
Posts: 782
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Re: Transmission Crossmember 5.3 / 4L60 Swap
Thanks brad man and hart rod for the info, hart rod, did u ended up using msd wires or the stockers? Also, do you need to use cats for this swap??
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#15 |
the boat guy
Join Date: Jul 2007
Location: springfield mo
Posts: 2,339
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Re: Transmission Crossmember 5.3 / 4L60 Swap
no cats, just retune computer to use front 2 o2 sensors. and eliminate a bunch of other stuff while youre at it.
cant use egr with the DT headers.
__________________
67, swb, fleet, tach, throttle, 5.3, 4l60e, 3.73's, fuel cell, 5 lug, p.d.b., 4-6 drop. great little truck 66, stevens drag/ski 18' silouette, 350, 2.02 doublehump heads. comp extreme marine 278 cam, vette 7 fin valve covers, old polished edelbrock intake, velvetdrive, casale v-drive, adj cavitation plate. 28, model a rpu project, |
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#16 |
*************
![]() Join Date: Apr 2005
Location: Pensacola, FL
Posts: 17,846
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Re: Transmission Crossmember 5.3 / 4L60 Swap
MSD, the bendable ones. No cats.
__________________
Rob - https://www.instagram.com/hart_rod_c10 As Iron Sharpens Iron, So One Man Sharpens Another. Proverbs 27:17 FOR SALE: DBW pedal bracket - http://67-72chevytrucks.com/vboard/s...d.php?t=651123 FOR SALE: Hood Brackets http://67-72chevytrucks.com/vboard/s...d.php?t=679945 1987 Silverado SWB - 34.5K original miles http://67-72chevytrucks.com/vboard/s...d.php?t=801834 1969 SuperBurb - http://67-72chevytrucks.com/vboard/s...d.php?t=200387 1968 Farm truck - http://67-72chevytrucks.com/vboard/s...d.php?t=358692 1968 SWB - http://67-72chevytrucks.com/vboard/s...d.php?t=551258 1948 Chevy - http://67-72chevytrucks.com/vboard/s...=122164&page=3 |
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#17 |
Account Suspended
![]() Join Date: Nov 2008
Location: Prunedale California
Posts: 782
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Re: Transmission Crossmember 5.3 / 4L60 Swap
Thanks for the advice dudes, this place if full of intelligent cool people!!!
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#18 |
Registered User
![]() Join Date: Jul 2007
Location: Poplar Bluff, MO 63901
Posts: 293
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Re: Transmission Crossmember 5.3 / 4L60 Swap
ttt
Can anyone tell me if the Performance Online LS motor mounts and the Performance Online transmission cross member (for a 4L60) will be a direct bolt on afair?? Thanks!!
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It's Not Rust, It's Patina!! 1967 ![]() 2008 ![]() |
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#19 |
Registered User
Join Date: Sep 2005
Location: sc
Posts: 1,203
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Re: Transmission Crossmember 5.3 / 4L60 Swap
http://www.performanceonline.com/sto...cat=455&page=1
If this is the kit you are talking about it is incomplete for the job. you will still need the LSx mounting plate, I used the Transdapt kit, and I am using the stock motor stands. As for the trans crossmember, it MIGHT be a bolt in affair, depends on the location of the trans mount, my 4l80 sits about an inch from any mounting locations of the Xmember so I am cutting and adding material to the xmember instead of redrilling the frame, b/c my cab is still on the frame and can not get to the upper frame to drill the holes. And since I am in the middle of this swap (see sig for link), think about how you will deal with the shifter linkage. These are the mounts I am using, I bought this set up but do not need the motor mount that came with it (on left of the 2 pcs pictured), should have gotten the other part number and the kit you referenced has these same mounts that you need with those tubular perches. if you need the other part number PM me and I will find it:
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71 Cheyenne C10 LWB cam'd 6.0/T56 Swap Last edited by Shon; 07-13-2009 at 11:32 AM. |
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#20 | |
*************
![]() Join Date: Apr 2005
Location: Pensacola, FL
Posts: 17,846
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Re: Transmission Crossmember 5.3 / 4L60 Swap
Quote:
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Rob - https://www.instagram.com/hart_rod_c10 As Iron Sharpens Iron, So One Man Sharpens Another. Proverbs 27:17 FOR SALE: DBW pedal bracket - http://67-72chevytrucks.com/vboard/s...d.php?t=651123 FOR SALE: Hood Brackets http://67-72chevytrucks.com/vboard/s...d.php?t=679945 1987 Silverado SWB - 34.5K original miles http://67-72chevytrucks.com/vboard/s...d.php?t=801834 1969 SuperBurb - http://67-72chevytrucks.com/vboard/s...d.php?t=200387 1968 Farm truck - http://67-72chevytrucks.com/vboard/s...d.php?t=358692 1968 SWB - http://67-72chevytrucks.com/vboard/s...d.php?t=551258 1948 Chevy - http://67-72chevytrucks.com/vboard/s...=122164&page=3 |
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#21 |
Registered User
![]() Join Date: Jul 2007
Location: Poplar Bluff, MO 63901
Posts: 293
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Re: Transmission Crossmember 5.3 / 4L60 Swap
Thanks for the replies!!!
Yes, I have the TD Trans Dapt engine plates and mounts. Those exact one and they fit great on a 2004 5.3 engine. I cant remember if i had to message the holes some or not but they work great. As far as the cross member from Performance Online, according to the tech support, I will need to re-drill some new holes if I using a 4L60 or a 700r trans. Dang!! I'm looking for a cool looking, bolt in cross member.
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It's Not Rust, It's Patina!! 1967 ![]() 2008 ![]() |
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#22 | |
Registered User
Join Date: Sep 2005
Location: sc
Posts: 1,203
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Re: Transmission Crossmember 5.3 / 4L60 Swap
Quote:
*edit* I have a 4l80 mount on order, local parts counter did not have one in stock, will pick it up Tuesday PM. I will go home and see if it fits. I also started wondering if the ES poly mount could be turned and it work, instructions say to have the 'bubble' towards back of truck but I can not see structurally why that would matter, now it might get in the way if removing trans pan but otherwise not sure why it matters. if someone knows structurally then please post up. *edit #2* turning the ES mount around did not work. I will try the stock 4L80 mount tomorrow night
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71 Cheyenne C10 LWB cam'd 6.0/T56 Swap Last edited by Shon; 07-13-2009 at 10:28 PM. |
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#23 |
Registered User
![]() Join Date: Jul 2007
Location: Poplar Bluff, MO 63901
Posts: 293
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Re: Transmission Crossmember 5.3 / 4L60 Swap
Alright, I have finally solved my transmission cross member problems. I installed the OEM (2004) transmission mount that came with my transmission, I lined up the '69 cross member and drilled one single hole. Bingo!!! Tightened up the bolts and that was it. The (2004) OEM transmission mount does set back further than the one I was trying to use and the hole that I need was just forward of center in between the 2 existing holes. I spent more time doing the research and postings than it took me to do the job!!
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It's Not Rust, It's Patina!! 1967 ![]() 2008 ![]() Last edited by Prathbun; 07-14-2009 at 12:37 PM. |
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