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Old January 23rd, 2011, 01:58 PM   #141
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a crankshaft spacer, not a sensor. ls motors crankshaft doesn't stick out as far as older smallblocks, so you need a spacer if you run an older transmission.
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Old January 23rd, 2011, 02:16 PM   #142
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So what this thing going to be done by Dog Party after all?
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Old January 23rd, 2011, 02:46 PM   #143
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So what this thing going to be done by Dog Party after all?

Still have to send the computer and harness out and lots more to do, maybe, but i'm gonna guess no. Which is fine, better done right then in a hurry
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Old January 23rd, 2011, 04:22 PM   #144
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I just read this whole thread and this jeep will be sick. I know how well those motors push the truck they originally came in i can not imagine what it can do for a jeep. Nice build.
No it won't. 6.0's run so-so at best and then to make it worse it's gonna be driven by a girl. Be lucky to keep up with a 4 cyl.
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Old January 23rd, 2011, 04:35 PM   #145
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Quote:
Originally Posted by fabricator View Post
a crankshaft spacer, not a sensor. ls motors crankshaft doesn't stick out as far as older smallblocks, so you need a spacer if you run an older transmission.
Yup. In fact, on a lot of 6.0/4L80e combos had that spacer as an OEM piece, because they didn't make a longer snout 4L80e.

Make sure you get the longer crankshaft bolts as well to go with it.
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Old January 23rd, 2011, 04:57 PM   #146
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No it won't. 6.0's run so-so at best and then to make it worse it's gonna be driven by a girl. Be lucky to keep up with a 4 cyl.
.....
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Old January 23rd, 2011, 05:22 PM   #147
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Yup. In fact, on a lot of 6.0/4L80e combos had that spacer as an OEM piece, because they didn't make a longer snout 4L80e.

Make sure you get the longer crankshaft bolts as well to go with it.
Torque converter bolts.... The flexplate has to stay where it is or the starter won't line up correctly. Most of the adapters I have seen don't use any of the crankshaft bolts to fasten it but if the one she gets does then those are needed too.

If you do use longer crankshaft bolts make sure they aren't too long or you'll lock up the engine by bottoming out on the bearing cap.
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Old January 23rd, 2011, 06:48 PM   #148
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Keep in mind mine is a 6.0 mated to a TH350. Flex plate stayed the same. I had to slot the holes in my flex plate because the 3 bolt pattern is slightly different in the torque converter. The only difference I had was I needed the pilot spacer/adapter.

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.....
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Old January 23rd, 2011, 07:29 PM   #149
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Torque converter bolts.... The flexplate has to stay where it is or the starter won't line up correctly. Most of the adapters I have seen don't use any of the crankshaft bolts to fasten it but if the one she gets does then those are needed too.

If you do use longer crankshaft bolts make sure they aren't too long or you'll lock up the engine by bottoming out on the bearing cap.
I was referring to the GM performance parts spacer. This one goes after the flexplate, between the plate and the converter. This style requires bolts which are 0.400" longer.

http://www.summitracing.com/parts/NAL-12563532/

the bolts:

http://www.summitracing.com/parts/NAL-12563533/

goes like in this pic: (from pirate)

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Old January 23rd, 2011, 07:33 PM   #150
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here are the facts about fitting an old style trans to the gen3 engines

1. the gm gen1,2 trans will bolt to the gen3 engines but you only use 5 bolts, the gen 3 engines do not use the middle bellhousing bolt on the pass side( no big deal)

2. you do not need a special flexplate, the curved 4.8,5.3,LS1- just need the t/c bolt holes ovaled out a bit and the 5.3 flex plates have a set of holes that match the small gm t/c bolt pattern perfect

- the 6.0 flat flex plate has the same t/c holes as the large gm pattern(th400 and most aftermarket th350 converters that have a dual t/c bolt pattern on them)

3. you need to use a crankshaft spacer when using a gen1,2 trans and converter there are 2 types:

- hughes gen3 crankshaft spacer part # hup-3795 $44 from summit/jegs, this spacer must be used with the curved 4.8,5.3,LS1 flexplates

- gm stock 6.0 crankshaft spacer 12563532 and longer bolts 12563533, this spacer can be used with either the flat or curved flexplate ( if using the curved style flexplate the flexplate goes on the crank first then the spacer goes on then the bolts, if using the flat 6.0 flexplate the spacer goes on the crankshaft first then the flexplate then the bolts)



So, in the pic above, thats correct for an LS1 or 5.3. And then it appears it'd go the other way for a 6.0, which was the factory configuration. Really depends on what flexplate setup she has.
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Old January 23rd, 2011, 07:40 PM   #151
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I think this is the style you were thinking of?

http://www.summitracing.com/parts/HU...5&autoview=sku

Really really check the flywheel to see which you have.
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Old January 23rd, 2011, 07:46 PM   #152
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Kevin will be on here later, he's got a list of parts I need, see if some of you guys may have them laying around. I didn't go into detail with him on the phone as to the exact part, he will be sending me a part number to order. I personally have no clue which design it is, (why i'm having someone else do the build, even tho i'm learning ALOT) I'm guessing he will clarify when he reads all your thoughts.

And Thanks for all the input as always! Much appreciated!

http://www.ls1tech.com/forums/index.php great site, lots of info
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Last edited by jeepbrattt; January 23rd, 2011 at 07:51 PM.
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Old January 23rd, 2011, 07:47 PM   #153
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Quote:
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I think this is the style you were thinking of?

http://www.summitracing.com/parts/HU...5&autoview=sku

Really really check the flywheel to see which you have.

why if it came on that motor just run it
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Old January 23rd, 2011, 08:04 PM   #154
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http://www.summitracing.com/parts/NAL-12563532/
Ordered this and bolts. Found them in a 6 pack for about half the price.
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Last edited by jeepbrattt; January 23rd, 2011 at 09:07 PM.
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Old January 23rd, 2011, 09:11 PM   #155
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I just did one of these, D&E Transmission on 10 mile near dequindre has a kit for the 4L80 that has the flexplate, Spacer, and bolts to make it all work for about $80. The correct bolts from GM are about $5 each, plus the spacer, the flexplate is almost free in the kit.

Edit: I take that back, Summit claims $10.99 each for the bolts, and they are specific for the flex plate, as Geo said, don't get them too long!
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Old January 24th, 2011, 12:30 AM   #156
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I just did one of these, D&E Transmission on 10 mile near dequindre has a kit for the 4L80 that has the flexplate, Spacer, and bolts to make it all work for about $80. The correct bolts from GM are about $5 each, plus the spacer, the flexplate is almost free in the kit.

Edit: I take that back, Summit claims $10.99 each for the bolts, and they are specific for the flex plate, as Geo said, don't get them too long!

They also have a 6 pack for $29 which is what I got, and plate for just under $50, so same price as D&E.
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Old January 24th, 2011, 01:28 AM   #157
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http://www.summitracing.com/parts/NAL-12563532/
Ordered this and bolts. Found them in a 6 pack for about half the price.
Becky you overpaid......


http://www.gmpartsdirect.com
GM PART # 12563532
CATEGORY: Engine Flywheel
PACK QTY: 1
CORE CHARGE: $0.00
GM LIST: $53.39
OUR PRICE: $31.04

GM PART # 12563533
CATEGORY: All
PACK QTY: 1
CORE CHARGE: $0.00
GM LIST: $6.93
OUR PRICE: $4.02

You can order a extra bolt from summit for the one that WILL get lost.
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Old January 24th, 2011, 05:17 AM   #158
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Becky you overpaid......


http://www.gmpartsdirect.com
GM PART # 12563532
CATEGORY: Engine Flywheel
PACK QTY: 1
CORE CHARGE: $0.00
GM LIST: $53.39
OUR PRICE: $31.04

GM PART # 12563533
CATEGORY: All
PACK QTY: 1
CORE CHARGE: $0.00
GM LIST: $6.93
OUR PRICE: $4.02

You can order a extra bolt from summit for the one that WILL get lost.

price per bolt..so X6 + $24.20

I'm sure there will be times I don't find the best price, at least this time it was only around $20. What ya gonna do? Where were you last night when I was ordering???
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Old January 24th, 2011, 05:23 AM   #159
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At work, thats why I had time to look.
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Old January 24th, 2011, 05:52 AM   #160
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At work, thats why I had time to look.
i wants a job viewing the interwebz too.
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