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What crossmembers have you guys found and or used to run dual exhuast and bolt right up? I want to do an 5.3 LS swap and I'm also trying to decide which transmission to match it unless I can get a 4L60E transmission from a silverado. any input would be greatly appreciated.
4 posters
Trying to find a crossmember
kansasboy- Active Member (Tier 2)
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Kit1078- Freshman Member (Tier 3)
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I haven't found a dual exhaust crossmember that will bolt right up. I have a dual exhaust crossmember from a '96 Caprice that was supposed to bolt up, but I can't get it to clear the floor pan on the driver's side. If you can get one and get it to fit, it will work with the 4L60E, as that's what the 94-96 B bodies used. I think there is a company that makes a (rather cheap looking) aftermarket crossmember. I usually just cut an arch in it on the driver's side and then reinforce it to work.
kansasboy- Active Member (Tier 2)
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Kit1078 wrote:I haven't found a dual exhaust crossmember that will bolt right up. I have a dual exhaust crossmember from a '96 Caprice that was supposed to bolt up, but I can't get it to clear the floor pan on the driver's side. If you can get one and get it to fit, it will work with the 4L60E, as that's what the 94-96 B bodies used. I think there is a company that makes a (rather cheap looking) aftermarket crossmember. I usually just cut an arch in it on the driver's side and then reinforce it to work.
Well if you got it to work, I might give it a try unless I find the god send that magically bolts right up
terry cronk- Freshman Member (Tier 3)
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I recently purchased this unit. Its heavy duty. Soon to be installed. $269.00/shipped
updated: available now.
http://www.ebay.com/itm/G-Force-Performance-RCB3-700-Trans-Crossmember-79-90-B-Body-700R4-4L60E-/191786805782?hash=item2ca7626a16:g:lQQAAOSwGotWnj~3&vxp=mtr
updated: available now.
http://www.ebay.com/itm/G-Force-Performance-RCB3-700-Trans-Crossmember-79-90-B-Body-700R4-4L60E-/191786805782?hash=item2ca7626a16:g:lQQAAOSwGotWnj~3&vxp=mtr
Xtreme Thunder- Active Member (Tier 2)
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Transmission crossmembers that allow for dual exhaust and provisions for the 4L60/65/70E series transmissions you can research, customization of your current, G-Force (last time I checked it wasn't on their site and I had to contact them directly for information), and BRP Hot Rods.
Make sure the crossmember you choose works with the LS Swap engine brackets/ mounts you use to maintain proper driveline angles. That also leads into the headers and oil pan you plan on using as well.
Are you looking to go DBW or DBC for throttle control? Gen III or Gen IV? EFI?
Make sure the crossmember you choose works with the LS Swap engine brackets/ mounts you use to maintain proper driveline angles. That also leads into the headers and oil pan you plan on using as well.
Are you looking to go DBW or DBC for throttle control? Gen III or Gen IV? EFI?
kansasboy- Active Member (Tier 2)
- 5th Year AnniversaryCelebrating 5 years of being our member!
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Join date : 2016-04-27
Xtreme Thunder wrote:Transmission crossmembers that allow for dual exhaust and provisions for the 4L60/65/70E series transmissions you can research, customization of your current, G-Force (last time I checked it wasn't on their site and I had to contact them directly for information), and BRP Hot Rods.
Make sure the crossmember you choose works with the LS Swap engine brackets/ mounts you use to maintain proper driveline angles. That also leads into the headers and oil pan you plan on using as well.
Are you looking to go DBW or DBC for throttle control? Gen III or Gen IV? EFI?
I haven't decided which computer to go with yet, bruh
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