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09-25-2021, 10:21 PM | #1 |
newly minted old timer
Join Date: Dec 1999
Location: Hudson WI
Posts: 3,521
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First start up l96 with 6l90
Gota lot these moments. I was surprised it started right up on first turn.
Also have to say the dakota digital dash sure makes things easy! Now I have to put it I the long horn https://youtu.be/5odAiebFdmI https://youtu.be/-vk18OphqwI
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____________________________________________ 72 c20 longhorn 65k org miles and counting! 69 k10 Suburban Last edited by mtdave2; 09-25-2021 at 10:36 PM. |
09-25-2021, 10:52 PM | #2 |
Senior Member
Join Date: Sep 2014
Location: Wenatchee, Wa
Posts: 929
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Re: First start up l96 with 6l90
Congrats, I love your engine run stand!
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09-26-2021, 11:46 AM | #3 |
Registered User
Join Date: Nov 2017
Location: SLC Utah
Posts: 210
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Re: First start up l96 with 6l90
Brilliant! I'm rocking the exact same setup (except for 4X4). Very excited for first startup...keep it up!
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09-26-2021, 11:29 PM | #4 |
Post Whore
Join Date: May 2015
Location: Alabama
Posts: 14,670
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Re: First start up l96 with 6l90
Nice setup
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Mongo...aka Greg RIP Dad RIP Jesse 1981 C30 LQ9 NV4500..http://67-72chevytrucks.com/vboard/s...d.php?t=753598 Mongos AD- LS3 TR6060...http://67-72chevytrucks.com/vboard/s...34#post8522334 Columbus..the 1957 IH 4x4...http://67-72chevytrucks.com/vboard/s...63#post8082563 2023 Chevy Z71..daily driver |
09-28-2021, 10:45 AM | #5 |
newly minted old timer
Join Date: Dec 1999
Location: Hudson WI
Posts: 3,521
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Re: First start up l96 with 6l90
thanks, guess its time to stuff it into the longhorn now. ran the crap out of it and everything is working perfectly. it is fun to play with a motor on a stand like this. ones i have the old motor out ill stick it on the stand and try to figure out wtf is wrong with it.
gota love toys huh?
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____________________________________________ 72 c20 longhorn 65k org miles and counting! 69 k10 Suburban |
09-28-2021, 11:37 AM | #6 |
newly minted old timer
Join Date: Dec 1999
Location: Hudson WI
Posts: 3,521
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Re: First start up l96 with 6l90
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____________________________________________ 72 c20 longhorn 65k org miles and counting! 69 k10 Suburban |
09-28-2021, 11:05 PM | #7 |
Registered User
Join Date: Jul 2014
Location: North-central Virginia
Posts: 1,104
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Re: First start up l96 with 6l90
Are you using the factory torque converter? I've heard the TC is the weak link in those transmissions, and that an improved aftermarket unit is highly recommended.
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1987 C6P V20 truck, 2010 LMG 5.3, AFM delete, 2010 Camaro exhaust manifolds, 1997 nv4500, 1991 np241c, hydroboost, 2005 14bff axle & driveshaft, drop-n-lock gooseneck, 4.10 gears, stock suspension, rims, and tires. Still a work in progress. Any questions or suggestions are welcome! |
09-29-2021, 10:19 AM | #8 |
newly minted old timer
Join Date: Dec 1999
Location: Hudson WI
Posts: 3,521
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Re: First start up l96 with 6l90
yeah, i have not touched it. the motor and trans have 9k miles on them so i was going to leave everything alone. though i had not heard of the TC issue.
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____________________________________________ 72 c20 longhorn 65k org miles and counting! 69 k10 Suburban |
09-29-2021, 01:57 PM | #9 | |
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Join Date: Jul 2014
Location: North-central Virginia
Posts: 1,104
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Re: First start up l96 with 6l90
Quote:
I haven't personally looked into it much myself. I specifically chose a nv4500 over a 6L80e, in case that shows you where my allegiance lies!
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1987 C6P V20 truck, 2010 LMG 5.3, AFM delete, 2010 Camaro exhaust manifolds, 1997 nv4500, 1991 np241c, hydroboost, 2005 14bff axle & driveshaft, drop-n-lock gooseneck, 4.10 gears, stock suspension, rims, and tires. Still a work in progress. Any questions or suggestions are welcome! |
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10-07-2021, 02:09 PM | #10 |
Registered User
Join Date: Oct 2010
Location: Jax FL
Posts: 8
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Re: First start up l96 with 6l90
Did you use the E78 ECU and wiring harness that came with the motor? I have the same setup and was thinking about going with a PSI ECU and harness.
Love the valve covers, What brand are they? |
10-08-2021, 09:34 AM | #11 |
newly minted old timer
Join Date: Dec 1999
Location: Hudson WI
Posts: 3,521
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Re: First start up l96 with 6l90
after lots of debate and talking with knowledgeable people i did not use the 78. there was no advantage to doing so, and lots of downsides. so i had speartech make me a harness with the 38.
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____________________________________________ 72 c20 longhorn 65k org miles and counting! 69 k10 Suburban |
10-08-2021, 09:35 AM | #12 |
newly minted old timer
Join Date: Dec 1999
Location: Hudson WI
Posts: 3,521
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Re: First start up l96 with 6l90
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____________________________________________ 72 c20 longhorn 65k org miles and counting! 69 k10 Suburban |
10-08-2021, 11:37 AM | #13 |
Registered User
Join Date: Oct 2010
Location: Jax FL
Posts: 8
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Re: First start up l96 with 6l90
Thanks. I was talking with PSI about doing the same thing for my L96 and 6l90E. My donor was from a 2019 Isuzu NPR and was told the E78 is not friendly from the Isuzu.
What did Speartech charge you? Did they program the TCU also? |
10-09-2021, 09:06 AM | #14 |
Senior Member
Join Date: Sep 2005
Location: Lewisville, Nc
Posts: 10,237
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Re: First start up l96 with 6l90
what gaguges are those?
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David fuller Ase Certified Mechanic Click here to help support our board!! 1971 Chevy c-10 under going a 4.8l LSx swap Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=421305 2007 Honda Accord my daily 145kmiles 2002 Honda Accord 4 door With 330k(sisters car) 2005 toyota Avalon 228k( brothers car) 2002 Sububran 5.3 245k 2000 Tahoe 5.3l 378 General manager for Marco's Carwash & lube |
10-11-2021, 10:29 AM | #15 | |
newly minted old timer
Join Date: Dec 1999
Location: Hudson WI
Posts: 3,521
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Re: First start up l96 with 6l90
Quote:
I did send in the tcu for them to program as well.
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____________________________________________ 72 c20 longhorn 65k org miles and counting! 69 k10 Suburban |
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10-11-2021, 10:31 AM | #16 |
newly minted old timer
Join Date: Dec 1999
Location: Hudson WI
Posts: 3,521
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Re: First start up l96 with 6l90
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____________________________________________ 72 c20 longhorn 65k org miles and counting! 69 k10 Suburban |
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