LTX and LSX Putting LT1s, LS1s, and their variants into Third Gens is becoming more popular. This board is for those who are doing and have done the swaps so they can discuss all of their technical aspects including repairs, swap info, and performance upgrades.

LS Swap Help

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Old Apr 3, 2012 | 08:20 PM
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LS Swap Help

I'm installing a LS2 with 2001 F-Body acc. into my 90 Formula within the next 2 weeks. I have a couple of questions which I could not find the answers to through the search option. I'm hoping you guys can help. I will be using a 6an FP Reg. with my fuel rails.

1) Does anyone have a part # for some braided lines that will connect directly to my stock fuel lines on the driver frame rail under the hood and have an AN ( or npt) fitting on the other end ? Or the fittings that will go onto my factory hard lines and give me a npt or AN to connect to. I seen Hawks kit but thats to pricey for this build.

2) How do you guys connect the factory power steering line to the LS power steering pump? My factory line is bent into a 90 deg and I dont think it will work.

I'm sure there are more things that will come up through the swap. So if the search button will be unfriendly to me, then I will post back here.

Last edited by GONEB4U; Apr 3, 2012 at 08:23 PM.
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Old Apr 3, 2012 | 08:44 PM
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Car: 89 FORMULA 350, 91 Z28 Convertible
Engine: ls1, LB9
Transmission: t56, Auto
Axle/Gears: S60/ 3.73
Re: LS Swap Help

Originally Posted by GONEB4U
I'm installing a LS2 with 2001 F-Body acc. into my 90 Formula within the next 2 weeks. I have a couple of questions which I could not find the answers to through the search option. I'm hoping you guys can help. I will be using a 6an FP Reg. with my fuel rails.

1) Does anyone have a part # for some braided lines that will connect directly to my stock fuel lines on the driver frame rail under the hood and have an AN ( or npt) fitting on the other end ? Or the fittings that will go onto my factory hard lines and give me a npt or AN to connect to. I seen Hawks kit but thats to pricey for this build.

2) How do you guys connect the factory power steering line to the LS power steering pump? My factory line is bent into a 90 deg and I dont think it will work.

I'm sure there are more things that will come up through the swap. So if the search button will be unfriendly to me, then I will post back here.

1) I know there are hundreds of posts with the part number. but I did mine differently so I never kept track of it.



2) use a stock 98-02 ls1 f-body pressure line, for the return use a stock tpi or tbi thirdgen line my 89 tpi one was perfect
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Old Apr 3, 2012 | 09:12 PM
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Re: LS Swap Help

1) Hundreds? I cant even find one.
2) Anyone have the stock 98-02 power steering pressure line part #?
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Old Apr 3, 2012 | 10:11 PM
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From: Siloam Springs AR.
Car: 1998 Trans/Am, 1989 RS Camaro
Engine: LS1, LQ9 6.0
Transmission: 4L60E, 4L60E
Axle/Gears: 2.73, 2.73
Re: LS Swap Help

rockauto and google are your friend
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Old Apr 3, 2012 | 10:57 PM
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Car: 1987 TransAm Ttop
Engine: 2005 LQ4
Transmission: Ls1 T56
Axle/Gears: 3:54
Re: LS Swap Help

keep in mind when you put the power steering line on..you will need to put a slight bend on the line to keep the line from making contact with the powersteering pulley/belt.You will see what I mean when you begin to tighten the lines into the car

make your own braided lines where ever you feel like running it,I believe Pocket had a diagram of the russel fitting needed on a thread in here.There are 2 diagrams..use the revised one.All the info is on here..scattered so keep searching/reading.Post pics as you progress on your swap
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Old Apr 4, 2012 | 12:00 AM
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Car: 1989 Pontiac Trans Am GTA
Engine: cammed LS1
Transmission: Monster SS 4L65E
Axle/Gears: 9 bolt posi w/ 3.70 gears
Re: LS Swap Help

Here's a link for the adapters so that you can connect an AN line to the stock TPI lines http://www.ebay.com/itm/TPI-TBI-FUEL...item4ab612b5d1
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Old Apr 4, 2012 | 10:36 AM
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Car: 1967 Firebird P.T.
Engine: LS3 4" Strkr 422ci
Transmission: MN12 6 speed
Axle/Gears: 3.73 8.5" 10 Bolt Eaton
Re: LS Swap Help

Originally Posted by GONEB4U
1) Hundreds? I cant even find one.
2) Anyone have the stock 98-02 power steering pressure line part #?
u can order the stock pressure line from any parts chain store. cheap. my az line was around 20 bucks
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Old Apr 4, 2012 | 02:19 PM
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Car: 1987 Trans Am
Engine: LQ9/L92
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Re: LS Swap Help

1. reposting Pocket's guide
Name:  LS1FUELSYS-REV.jpg
Views: 40
Size:  15.2 KB

2. 4th gen pressure line as all have recommended so far, tweak a little for clearance.
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Old Apr 4, 2012 | 03:58 PM
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Re: LS Swap Help

Believe you're looking for these fittings: Earl's 9894DBH and 9894DBJ fuel fittings
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Old Apr 4, 2012 | 07:31 PM
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Re: LS Swap Help

Thanks for all the info guys. I'll take pics during the swap and post them up here.
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Old Apr 5, 2012 | 04:13 AM
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From: Mississauga,Ont,Canada
Car: 89 IROC
Engine: LSX 6.0 370, TU2 Cam, Fast intake
Transmission: T56 w/ lots of goodies
Axle/Gears: 8.8, Posi, 4.10, 31 Spline
Re: LS Swap Help

Heres a pic of mine ( sorry its the only one I have ) with the braided lines that where made for the motor by the previous owner. If you go with making your own

Name:  IMG-20111128-00121.jpg
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Old Apr 5, 2012 | 09:12 PM
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Re: LS Swap Help

Originally Posted by 6SIX6
Heres a pic of mine ( sorry its the only one I have ) with the braided lines that where made for the motor by the previous owner. If you go with making your own

When looking at your pic above. Which fitting on the gearbox goes to the pressure side of the power steering pump? Also be careful and keep an eye on your balancer. I had the same brand and it just came apart one day and went to ****.
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Old Apr 6, 2012 | 04:49 AM
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From: Mississauga,Ont,Canada
Car: 89 IROC
Engine: LSX 6.0 370, TU2 Cam, Fast intake
Transmission: T56 w/ lots of goodies
Axle/Gears: 8.8, Posi, 4.10, 31 Spline
Re: LS Swap Help

I will get better pics of them next time im at my parents working on it. It is no where near the balancer now as thatsa pic before I tightened them down. I got them with the motor so I hope they dont come apart
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Old Apr 6, 2012 | 06:29 AM
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Re: LS Swap Help

Originally Posted by 6SIX6
I will get better pics of them next time im at my parents working on it. It is no where near the balancer now as thatsa pic before I tightened them down. I got them with the motor so I hope they dont come apart
I'm not talking about the lines coming apart, I'm talking about the balancer self destructing. Mine just started wobbling one day.
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Old Apr 6, 2012 | 11:20 PM
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Re: LS Swap Help

Here are some pics:
Attached Thumbnails LS Swap Help-htc-4-6-12   LS Swap Help-htc-4-6-12   LS Swap Help-htc-4-6-12  
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Old Apr 6, 2012 | 11:23 PM
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Re: LS Swap Help

Last pic is already the primer. Quick coat of paint in the a.m. and the engine and trans can slide in by the p.m.
Attached Thumbnails LS Swap Help-htc-4-6-12   LS Swap Help-htc-4-6-12   LS Swap Help-htc-4-6-12  
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Old Apr 7, 2012 | 10:07 PM
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Re: LS Swap Help

Took me 2 hours to install the motor and trans from the top but its finally in. I have to finish the odds and ends tomorrow.
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Old Apr 7, 2012 | 10:24 PM
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Car: 1984 Camaro
Engine: LS1
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Re: LS Swap Help

I can't tell from the pics, but you're most likely going to want to notch the K-member. The stock F-body type oil pan will fit (from what I've read) but the notch makes it a piece of cake. If you have the right tools and some good metal to weld in, its not really a big job at all.
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Old Apr 7, 2012 | 10:34 PM
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From: Siloam Springs AR.
Car: 1998 Trans/Am, 1989 RS Camaro
Engine: LS1, LQ9 6.0
Transmission: 4L60E, 4L60E
Axle/Gears: 2.73, 2.73
Re: LS Swap Help

No need to notch the k member, its a waist of time. I had mine sitting on the mounts in less than 30 min. A engine leveler will save you lots of time.

ps, I did it alone
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