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Regards to the lm7 LS build?

Tiny
SHANE WALKER
  • MEMBER
  • 2003 CHEVROLET SILVERADO
  • 5.3L
  • V8
  • 2WD
  • AUTOMATIC
  • 279,000 MILES
So, I've been watching the lm7 ls 5.3 build you guys have and was wondering if I followed the build all the way which transmission would be best to put behind it the stock 4l60e or something else?
Saturday, April 8th, 2023 AT 9:06 AM

5 Replies

Tiny
RENEE L
  • ADMIN
  • 1,260 POSTS
Hello,

I forwarded your question to Ryan, our YouTube content creator/talent. He will get back to you shortly.

Thank you,

Renee
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Saturday, April 8th, 2023 AT 10:53 AM
Tiny
SHANE WALKER
  • MEMBER
  • 3 POSTS
Thank you!
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Saturday, April 8th, 2023 AT 1:53 PM
Tiny
RYAN L
  • ADMIN
  • 256 POSTS
Hey Shane!

Thanks so much for watching the series! To answer your question the 4l60E is a decent option, however there are people on the internet that claim it is not very strong. Personally, I like the 4l60E but I am really gentle on things. So, a stronger but more expensive option is the 4l80E. But do not discount an older transmission. I love the Turbo 350 I put behind our LS and they are pretty cheap with no electrics. You just need a different flex plate.

Best,
Ryan
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Monday, April 10th, 2023 AT 2:46 PM
Tiny
SHANE WALKER
  • MEMBER
  • 3 POSTS
Awesome man, thank you, I'm putting this engine in my daily driver 03 Silverado so I may go the 4l80e since I'm a little bit more lead footed (: I appreciate the info.
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Monday, April 10th, 2023 AT 6:01 PM
Tiny
RYAN L
  • ADMIN
  • 256 POSTS
No problem! Then yes, the 4l80E is going to be your best bet!

Thank you for using 2CarPros!
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Tuesday, April 11th, 2023 AT 9:59 AM

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