Conversions & Swaps LSX Engines in Non-LSX Vehicles
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My Nova's LM7 Transplant

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Old 02-26-2009 | 12:04 PM
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Russell PN 640940 is a push-on male hard tube adapter. I believe this will work for the fuel outlet. You will need a standard -6 AN fitting to connect the fuel line.
Old 02-26-2009 | 12:20 PM
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Originally Posted by hookemdevils22
Russell PN 640940 is a push-on male hard tube adapter. I believe this will work for the fuel outlet. You will need a standard -6 AN fitting to connect the fuel line.
Thanks for the info. I'm going to try plumbing an prototype system this weekend
Old 02-26-2009 | 03:48 PM
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What is an LM7's stock fuel pressure and what would you guys suggest I run?
Old 02-27-2009 | 08:54 AM
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55-60 psi iirc? run braided line if you plan to take it to the track (12" max rubber line, even high-psi stuff), or do aluminum hard line with braided in places if you wanna go the cheap (and slightly less weight) route.
Old 02-27-2009 | 10:40 AM
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Originally Posted by hookemdevils22
55-60 psi iirc? run braided line if you plan to take it to the track (12" max rubber line, even high-psi stuff), or do aluminum hard line with braided in places if you wanna go the cheap (and slightly less weight) route.
What is "iirc"? This will be my DD; I got PVC coated steel line line since I'm going cheap and I'll be using the least fuel injection hose possible, would that work fine?
Old 02-27-2009 | 02:09 PM
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i've officially nerded out - using 'forum-lingo'. iirc = if i remember correctly. anything that is rated for fuel injection will be fine.
Old 02-27-2009 | 02:22 PM
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Originally Posted by hookemdevils22
i've officially nerded out - using 'forum-lingo'. iirc = if i remember correctly. anything that is rated for fuel injection will be fine.
Hahaha, nice. Thanks for the info
Old 02-28-2009 | 07:22 PM
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Pulled out the old today:





Old 03-03-2009 | 12:04 AM
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Does anyone have pictures of how a cable-driven throttle is set up over the manifold into the firewall?
Old 03-04-2009 | 11:28 AM
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I was just told my Monster Transmission that a TH350 will NOT bolt up to my '04 LM7?!

Last edited by 74NOVA; 03-04-2009 at 12:34 PM. Reason: Nevermind, figured it out
Old 03-04-2009 | 02:47 PM
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Your th350 will work fine, but a few things to note! The Bolt pattern is simular, it will just use five bolts instead of six bolts! it skips the top right bolt! You will also need to get a coversion flexplate! The kits are available from a few different places! They aint to expensive!
Old 03-04-2009 | 03:00 PM
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Got most of the fuel system plumbed this weekend. Getting the car running next weekend after some parts ship in

Last edited by 74NOVA; 03-09-2009 at 02:37 AM. Reason: Update
Old 03-09-2009 | 03:35 PM
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talk to frojoe about mating up the th350. he had an 04 lq4 that fit right up to his trans (other than the slight modifications to the holes).

what'd you end up doing for the fuel system?
Old 03-09-2009 | 04:13 PM
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Originally Posted by hookemdevils22
talk to frojoe about mating up the th350. he had an 04 lq4 that fit right up to his trans (other than the slight modifications to the holes).

what'd you end up doing for the fuel system?
John @ Speartech told me exactly what I needed (flexplate spacer/extended bolts)

My fuel system is a 16-gallon Summit plastic drag cell, Summit inline fuel filter, Summit inline fuel pump, universal FPR from eBay, 5/16" coated steel fuel line from eBay, and various AN fittings. I'm waiting on a pair of fittings then I can buy soft line and finish plumbing

Heres a picture of a bracket I made for the fuel pump/FPR in the trunk:

Old 03-16-2009 | 12:10 AM
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Dropped the LM7 in this weekend. Ran into alot of problems including a torque converter that didn't line up and Trans Dapt mounts that didn't fit and whose adaptor plates moved the engine at least an inch forward when it was supposed to mount in the stock location, so now I need a new driveshaft.. What a failure of a product. Finished plumbing my fuel system and my friends started on the electrical. It'll be a few more weeks 'til it's ready to run

New 2800-3200 stall torque converter


Right after we got the engine bolted in


What my friend Pat took off of my stock wiring harness


Pat at his "workstation" in Luke's backyard
Old 03-16-2009 | 08:26 AM
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you can buy engine adpater plates that are -1". I used those on my truck and everything lined up as it should. No need for a diffrent driveshaft.
Old 03-16-2009 | 11:18 AM
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Originally Posted by ForcedInduction
you can buy engine adpater plates that are -1". I used those on my truck and everything lined up as it should. No need for a diffrent driveshaft.
Thanks for the info. I'm calling Trans Dapt to see if they'll exchange my adaptor plates and take their motor mounts back.
Old 03-16-2009 | 12:15 PM
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Hey ForcedInduction, who did you go through for adaptor plates and what was the product number? Trans Dapt only makes one for the "factory location" and another 1" forward..
Old 03-16-2009 | 12:26 PM
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they look like the S&P/carshop style. i think i remember seeing that carshop now sells the further back mounts. PM carshopinc.com to double-check.
Old 03-17-2009 | 12:35 AM
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Originally Posted by hookemdevils22
they look like the S&P/carshop style. i think i remember seeing that carshop now sells the further back mounts. PM carshopinc.com to double-check.
I've decided to get an extended driveshaft.

Does anyone know of a good write-up on how to properly adjust the TV cable on my TH350?


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