3rd gen vortec engine with stock gauge - JeepForum.com

 
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post #1 of 12 Old 01-18-2012, 10:36 PM Thread Starter
Ripper3494
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3rd gen vortec engine with stock gauge

ive got a question for you guys that have done genIII sbc swaps into your yjs. for those of you who retained stock gauges how did you do it with the oil pressure and temperature gauge? any diagrams would be nice.

thanks,
Erik


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1994 yj stretched, locked and loaded - 6.0l vortec lq4, 4l60e, np231, Dana 44s 37" interco trxus m/t, 3.5" bds front leafs, double triangulated 4 link rear on xj front coils.
1997 ZJ limited - BONE stock
2003 tj - 4in skyjacker, 33" mickey thompsons
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post #2 of 12 Old 01-18-2012, 11:14 PM
Plato2k5
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just put the stock sending units in the sbc.

I myself would not want to run the stock gauges as mine were not accurate at all. I just put autometer gauges in behind the bezel, looks stock and you know its accurate.

:edit: sorry Im being ignant, computer controlled lol so my above advice would not work
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post #3 of 12 Old 01-18-2012, 11:16 PM Thread Starter
Ripper3494
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lol thanks for the reply anyway. thats the kinda info ive been seeing, but the 3rd gen is a bit different than previous i believe

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1994 yj stretched, locked and loaded - 6.0l vortec lq4, 4l60e, np231, Dana 44s 37" interco trxus m/t, 3.5" bds front leafs, double triangulated 4 link rear on xj front coils.
1997 ZJ limited - BONE stock
2003 tj - 4in skyjacker, 33" mickey thompsons
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post #4 of 12 Old 01-18-2012, 11:36 PM
Plato2k5
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wait, no it should work like that..... because you could use (2) temp sensors, one for the computer, one for your gauge. I actually have my jeep set like that and its EFI...granted its megasquirt and lets you program it however you want. And for the oil pressure, your computer does not monitor that.
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post #5 of 12 Old 01-18-2012, 11:40 PM Thread Starter
Ripper3494
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so i have the plug going into the sender on the oil pan, your saying that doesnt go to the pcm then?

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1994 yj stretched, locked and loaded - 6.0l vortec lq4, 4l60e, np231, Dana 44s 37" interco trxus m/t, 3.5" bds front leafs, double triangulated 4 link rear on xj front coils.
1997 ZJ limited - BONE stock
2003 tj - 4in skyjacker, 33" mickey thompsons
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post #6 of 12 Old 01-18-2012, 11:43 PM
Plato2k5
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hmm...let me ponder on this.... if I can't think of anything I'll ask my dad in the morning. He does the calibration on cars so knows what the computer sees
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post #7 of 12 Old 01-18-2012, 11:45 PM Thread Starter
Ripper3494
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thatd be great, ill take a look tomorrow and see if i have any connectors that are left on the old jeeps harness that i can use

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1994 yj stretched, locked and loaded - 6.0l vortec lq4, 4l60e, np231, Dana 44s 37" interco trxus m/t, 3.5" bds front leafs, double triangulated 4 link rear on xj front coils.
1997 ZJ limited - BONE stock
2003 tj - 4in skyjacker, 33" mickey thompsons
my on board alternator/welder write up

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my tj 1/2 doors on a yj write up

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post #8 of 12 Old 01-18-2012, 11:47 PM
Plato2k5
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did a quick search and the PCM does monitor oil pressure.

as for the plug on the pan it would have to be oil temp
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post #9 of 12 Old 01-19-2012, 07:07 AM Thread Starter
Ripper3494
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: aight so its apparent im not the best with the engine connectors lol

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1994 yj stretched, locked and loaded - 6.0l vortec lq4, 4l60e, np231, Dana 44s 37" interco trxus m/t, 3.5" bds front leafs, double triangulated 4 link rear on xj front coils.
1997 ZJ limited - BONE stock
2003 tj - 4in skyjacker, 33" mickey thompsons
my on board alternator/welder write up

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my tj 1/2 doors on a yj write up

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post #10 of 12 Old 01-19-2012, 08:38 PM
kbktulsa
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i am installing a LS 1 in my 87 wrangler. used the jeep oil sender on the bypass fitting by the filter, just drilled and taped it to 1/8 pipe thread and screwed it in there, used the stock jeep wire, on the pass side head, there is a plug toward the back, just taped it to 1/4 pipe thread and installed the stock jeep temp sender there, using stock jeep wirte. still used all LS1 senders for the computer.
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post #11 of 12 Old 01-19-2012, 11:27 PM Thread Starter
Ripper3494
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im afraid of screwing up the block while tapping something but ill take a look to see what i can do on it, it would be really nice to get my gauges working, since the jeep has been running ive been using an obdII reader on my phone

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1994 yj stretched, locked and loaded - 6.0l vortec lq4, 4l60e, np231, Dana 44s 37" interco trxus m/t, 3.5" bds front leafs, double triangulated 4 link rear on xj front coils.
1997 ZJ limited - BONE stock
2003 tj - 4in skyjacker, 33" mickey thompsons
my on board alternator/welder write up

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my tj 1/2 doors on a yj write up

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post #12 of 12 Old 01-20-2012, 11:36 PM
kbktulsa
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if you tap real slow and put lots of grease on the tap, turn a couple of turns and pull back out, wipe off filings put new grease and do it a little more, you get no filing in block, i have done this on several without any problems.
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