need a pic of 4l80 or th400 conversions

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03-29-2004, 05:00 PM

#11

bmbutler

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Crossmember is $116.18 (INCLUDING SHIPPING) from GMPartsDirect.com

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03-29-2004, 05:39 PM

#12

BlownChevy

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Quote:

Originally Posted by bmbutler

Crossmember is $116.18 (INCLUDING SHIPPING) from GMPartsDirect.com

What does this crossmember look like? Does it have 4 mounting holes?

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03-29-2004, 05:40 PM

#13

Scream

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I couldn't find a pic of the crossmember, but my parts guy said that it was definitely for a 1500-series truck.

I would think/hope/pray that it will bolt up to any 1500-series frame. Anyone have or know someone who has a 1500HD to check?

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03-29-2004, 05:43 PM

#14

Slowverado

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well, if it's FOR THE 4L80E, then i would assume it would have the proper mounting holes for that particular transmission.

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03-29-2004, 05:49 PM

#15

Scream

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I'm not worried about the mounting holes for the tranny...I'm worried about where it MOUNTS TO THE FRAME.

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03-29-2004, 05:49 PM

#16

parish8

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will it bolt to the truck is the question, i would have to see it to believe it.

i know my ecsb had a diferent cross memeber than the rcsb i have now, completely diferent.

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03-29-2004, 06:34 PM

#17

Slowverado

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i'll call a dealership over here tomorrow and see if they have one in stock....maybe they'll know if it will work on a RCSB halfton...

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03-29-2004, 07:12 PM

#18

XLR8NSS

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Check out this thread for some pics of 4L80E 2500 and 1500HD(same thing

) crossmembers.

https://ls1tech.com/forums/showthrea...ghlight=1500HD

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03-29-2004, 09:20 PM

#19

L-EATER

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ok here are some pics of mine. had to cut the hump out of it for pan claearance and when i boxed it back i angled the new metal downward and towards the front so the 4l80 pan can come off without removing the crossmember.

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