Conversions & Swaps LSX Engines in Non-LSX Vehicles
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'81 Mustang Cobra

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Old Feb 27, 2014 | 09:12 AM
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Default '81 Mustang Cobra

The car:

The old SBF 332.


Well, it's time to get the SSSTANG back on the road. The car has been sitting without an engine since July 2005 after a solid roller lifter came apart and pieces found their way through the 332. After that I put the car on the back burner and built a 30'x40' shop, then spent four years in Belgium with the USAF, retired and returned to start an auto detailing business. During this down-time (car) I tossed around ideas for a new engine. From rebuilding the SBF 332, to stepping up to a 363, to a turbo engine. Then in '09 I saw Tim's (Gray86hatch) LS build for his Mustang and it got my attention. I have followed his progress since and have been saving nickles and dimes.

Right before Christmas I bought a LH6 shortblock off ebay and sent the block to ERL. I talked to Seth a couple days ago and he was shipping my 454 dry sleeve shortblock out yesterday.

I have been gathering parts since Christmas but still have a ways to go.

Ed Curtis at Flowtech Induction has the Mast 305's for assembly and will be getting Mast 4500 intake next week. He will also be providing cam specs.

Tim and Ed have been answering questions and advising on this engine and I know it will be bad-***.

Last edited by SSSTANG#1; Apr 22, 2014 at 08:24 AM.
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Old Feb 27, 2014 | 09:24 AM
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What year LH6 did you have to get? Ive been wanting to do this too.
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Old Feb 27, 2014 | 10:40 AM
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Originally Posted by dmracing
What year LH6 did you have to get? Ive been wanting to do this too.
I got it from BBJ Automotive Cores in Lorena, TX. They didn't list the year, what it came out of or mileage. This is what wikipedia says...

LH6 applications:

2005–2009 Chevrolet TrailBlazer including EXT (through 2006)
2005–2009 GMC Envoy Denali
2005–2006 GMC Envoy XL
2005 GMC Envoy XUV
2005–2007 Buick Rainier
2005–2009 Saab 9-7X
2007 Chevrolet Silverado 1500
2007-2009 GMC Sierra 1500
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Old Feb 27, 2014 | 08:48 PM
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ERL M7 454 w/Callie's Ultra H-beam rod upgrade.


Last edited by SSSTANG#1; Apr 22, 2014 at 08:28 AM.
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Old Feb 27, 2014 | 09:14 PM
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Cleaned up engine bay with Team Z k member.

Last edited by SSSTANG#1; Apr 22, 2014 at 08:29 AM.
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Old Feb 27, 2014 | 09:58 PM
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I would definitely go with Tim's engine mounts on the Teamz kmember.
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Old Feb 28, 2014 | 05:30 AM
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From what I understand, the new Team Z mounts that came with the K member are identical or close to Tim's design.
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Old Feb 28, 2014 | 05:41 AM
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Looks good I remember the day I took mine out of the tote.

Tim
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Old Feb 28, 2014 | 05:54 AM
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New fuel pump setup capable of supplying enough E85 if needed. Still need to get fuel lines.

Last edited by SSSTANG#1; Apr 1, 2014 at 10:55 AM.
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Old Feb 28, 2014 | 03:31 PM
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Did you get the cam and lifters figured out yet.

Tim
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Old Feb 28, 2014 | 04:51 PM
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Originally Posted by Gray86hatch
Did you get the cam and lifters figured out yet.

Tim
The "Big Guy" is mulling it over.
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Old Feb 28, 2014 | 04:54 PM
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You are getting the good linked lifters .

What did you figure out for headers
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Old Feb 28, 2014 | 05:13 PM
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Originally Posted by Gray86hatch
You are getting the good linked lifters .

What did you figure out for headers
Lifters, pretty sure Morel and headers, I have this buddy in Michigan that is a master fabricator of custom headers
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Old Feb 28, 2014 | 05:26 PM
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Badass man looks good!
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Old Feb 28, 2014 | 06:00 PM
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I would love to build a set for you but they really have to be fit to the car. 1/4" different in any direction and they would not fit.

Tim
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Old Feb 28, 2014 | 06:37 PM
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Originally Posted by Gray86hatch
I would love to build a set for you but they really have to be fit to the car. 1/4" different in any direction and they would not fit.

Tim
I have a trailer.
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Old Feb 28, 2014 | 07:25 PM
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Bring it up. I could do them in about 1.5 days.

I know what materials we needs and have a mock up engine. Just need the trans in it.

Tim
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Old Feb 28, 2014 | 07:53 PM
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Getting the transmission in will be an adventure in itself. The Magnum is set up for for a Ford so I have to get an LS adapter and input shaft and then a bellhousing and crossmember.

Last edited by SSSTANG#1; Mar 1, 2014 at 08:16 AM.
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Old Feb 28, 2014 | 07:56 PM
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Beautiful car! I had a 1981 mustang cobra and it had a '88 5.0L engine in it your car brings back a lot of wonderful memories.
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Old Feb 28, 2014 | 08:07 PM
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This will be the fifth engine in this car. I've had it since 1986.
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