Conversions & Swaps LSX Engines in Non-LSX Vehicles
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Old Jan 16, 2011 | 12:19 PM
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It's 22 degrees here now! And I'm doing this in an unheated garage.
That is the plan, but it's going to be a month before we get decent temps.
Originally Posted by David21
I would strip and por 15 the frame and suspension components while everythings out
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Old Jan 16, 2011 | 01:21 PM
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Haha totally understand that.

Me and my dad restored and built my 1971 olds in our garage too
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Old Jan 17, 2011 | 02:18 AM
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Default great job

i have a 67 culass that i want to do as ls swap on and i have been reading on other people's projects. keep up the good work and keep us posted the only good thing about me is im in florida i dont have to worry to much about the weather so good luck hope to see some progress soon.
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Old Jan 19, 2011 | 11:00 PM
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Door panels ready for vinyl. Snow day tomorrow, so might finish them up. Here's the mockup with the old panel. I'm keeping some of the Olds features, but updating (carbon fiber inserts, etc).
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Old Jan 19, 2011 | 11:05 PM
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The Doorman 300-123 pulley wont work. It's too shallow so it needs the pump to be spaced back to clear the pump snout. You can see it sits deeper on the shaft than the original one.
But even then, it hits the pump mounting bolt heads.
Going to wait to drop the engine in until I find another pulley.
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Old Jan 20, 2011 | 07:37 AM
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Are you able to install side glass ''fuzzys' on your door panels? Nice build btw!!!
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Old Jan 20, 2011 | 08:24 AM
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I couldn't find the V felts without buying a whole set for over $100. So I bought an 8' flat felt "fuzzy" locally for $20.
I put the door panels on the car, lined up a bent metal strip on the top edge to leave the correct clearance for the flat felt. The V shaped ones would be easier since they allow for more slop.
I riveted the metal strip to the top edge of the panel. I'll stapel or rivet the flat felt on after I pad/vinyl the panel.
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Old Jan 21, 2011 | 08:32 AM
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Finished door panel


Last edited by garys 68; Jan 21, 2011 at 08:40 AM.
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Old Jan 21, 2011 | 09:17 AM
  #49  
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Those are beautiful!!
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Old Jan 22, 2011 | 06:04 PM
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Originally Posted by garys 68
Mating a 10 spline Muncie to an LS motor made easy.
The Sachs 1050 flywheel ($50 Oreileys) is drilled for an old school pressure plate. It's tapped for metric bolts though.
The 11" pressure plate/clutch is Sachs K555203 ($119 Oreileys) and the bolt holes line up. However, 3 of the holes are slightly smaller and will need to be drilled out. The other advantage to this clutch is that I can swap out a $30 26 spline clutch disk later if I want to change to another trans (Richmond, T10, etc).
The only downside is that the flywheel is thick and heavy.
Ialso checked clearance with a standard BBC 621 bell housing, looks good. still need to 0 it in though.
And theres plenty of engagement with the LS7 pilot bearing.

Hello Gary. Very sweet build by the way. Im doing the very same thing with my 70 Chevelle SS. It is a real SS car, but it was completely stripped down to a rolling shell about 20 years ago to make a dirt track car out of it. Now who in their right mind would do that? Anyway, this is how I bought it. Im 99% sure its a real SS car, title says supspt, cowl switch on the gas pedal, 4 speed car, 12 bolt, and the factory door pannels were the only interior parts, other then the head liner and back seat were still intact, and they had SS emblems. Anyway, just wanted to clear the air about doing an LSx swap in a car that a collector might want. Now, to the question I have for you. Im new to LSx engines. I have read several different things and posted on several different forums about running the Muncie on this engine. As you know, most people tell you "T56". Well, I dont have that kind of money right now. Your Sachs flywheel/clutch/pressure plate/and pilot bushing combo, do you know if it will work on a 98 LS1 out of a Camaro SS? I just wondered how the clutch splines would work out? Any info you have is very appreiated! SWEET CAR GUY! Keeping the A-Bodies alive...

Shawn
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Old Jan 22, 2011 | 06:37 PM
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Tell me more about those 8' felt window fussy's. like where can I find some ?

Thanks, Tony
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Old Jan 22, 2011 | 06:48 PM
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Originally Posted by tmcmillan5
Tell me more about those 8' felt window fussy's. like where can I find some ?

Thanks, Tony
I need some window sweeps for the outside of my old car. I can trim some universal ones to fit.

BTW, this is a cool build thread. I see you are sticking with the drive by wire throttle, what sort of gas pedal do you have to run with that, or can you use the stock one?
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Old Jan 22, 2011 | 11:42 PM
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supspt454
All the LS motors should be able to swap flywheels. If the 70 trans is 26 spline, just get the pressure plate/disc for that year.
The pressure plate I listed needed 3 of the bolt holes enlarged slightly with a 3/8" drill. Not sure why 2 different sizes. I used ARP flywheel bolts for an 02 LS1, and had to buy the M10 x 1.5 pressure plate bolts for an 05 3500, 6.0 from the dealer.
tmcmillan5
I got mine locally from these guys, but I'm sure they'll ship:
http://www.olddogstreetrods.com/home.html
AronZ28
I'm using the stock pedal but shortened it a couple inches.
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Old Jan 22, 2011 | 11:46 PM
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Not the prettiest setup, but it allowed me to install the 300-201 pulley to the correct depth on the shaft.
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Old Jan 23, 2011 | 09:19 AM
  #55  
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Originally Posted by garys 68
supspt454
All the LS motors should be able to swap flywheels. If the 70 trans is 26 spline, just get the pressure plate/disc for that year.
The pressure plate I listed needed 3 of the bolt holes enlarged slightly with a 3/8" drill. Not sure why 2 different sizes. I used ARP flywheel bolts for an 02 LS1, and had to buy the M10 x 1.5 pressure plate bolts for an 05 3500, 6.0 from the dealer.
tmcmillan5
I got mine locally from these guys, but I'm sure they'll ship:
http://www.olddogstreetrods.com/home.html
AronZ28
I'm using the stock pedal but shortened it a couple inches.
Hi, thanks for the quick response. Which pilot did you use? Was it just a factory replacement for an LS7? Does that pilot install in the outer flange of the crank (the bigger dia outside hole)? Thanks so much. Oh, do you think this will all work good with a hyd throw out bearing? I have never used one but looks like it would just bolt to the existing bearing retainer and plumb a hyd line through the bellhousing.
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Old Jan 23, 2011 | 09:59 AM
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Yep, just a standard LS7 pilot bearing (SDparts). It fits in the outer flange.
I did a manual Z bar in my 68 corvette and an this car.
A hydraulic throwout should work, but the spacing with the LS is a little different so you might have to do some creative shimming.
GM used several locations for the block Z bar monut from the bell housing to several inches forward in corvettes. You might want to see if you can find a different Z bar mount location and keep the manual linkage.
http://www.nastyz28.com/~copo/images...%20linkage.jpg
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Old Jan 23, 2011 | 11:43 AM
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What about the ID of the bearing. Is it metric? The Muncie input is SAE right?
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Old Jan 23, 2011 | 11:48 AM
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The LS7 pilot bearing is made for a 0.59" input shaft. That's the standard GM trans (Muncie, Richmond, Saginaw, etc) input dimension.
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Old Jan 23, 2011 | 12:23 PM
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Cool. Thanks alot!!!
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Old Jan 23, 2011 | 12:42 PM
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I don't mean to sound stupid, but I'm having trouble locating a part number for the pilot bearing for LS7. It keeps giving me a universal bearing for all gen III and IV LS engines.
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