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83 C20 to K20 with LSx swap

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Old 10-03-2010, 09:13 AM
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dude! looks great. what is that exhaust you have hooked up? any more updates?
Old 10-04-2010, 09:49 PM
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Originally Posted by 83dime
dude! looks great. what is that exhaust you have hooked up? any more updates?
Thanks you!
Using 05 CTSV manifolds and cats. No updates really. Been slacking on it this past weekend.
Old 10-20-2010, 09:25 PM
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Originally Posted by bowtieguy79
From what I understand, if its a 241 from behind a 700R4 it will work. As soon as I get a trans adapter I'll let ya know
nice project!

did your 4l60e have the 4 bolts or 6 bolts? and did you just use a 700r4/241 adapter?

Last edited by LS-K5; 10-20-2010 at 09:36 PM.
Old 10-22-2010, 09:22 PM
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Originally Posted by LS-K5
nice project!

did your 4l60e have the 4 bolts or 6 bolts? and did you just use a 700r4/241 adapter?
I'm using a 2004 trans, its a 6 bolt. Kept the 2004 trans to t-case adapter, the NP241 bolted directly to it.
Old 11-14-2010, 08:09 PM
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Well Folks... I sold it. My nephew will be following up with the build. He's pretty freakin pumped up and will do a great job on it. I hope he continues this thread...
Old 08-24-2011, 09:08 PM
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Time to dig this thing up out of the muck!

Need help fellas... Truck has been taken back down to the frame and built back up, fresh body work etc. It looks great! Getting back to finally starting the LS. Here is whats going on... it won't start.

We have confirmed:
Fuel PSI
Fuel to injectors ( pulled logs and watched each one spray)
Spark is good
Crank sensor replaced
VATS shut off
Power to ECM, Power to MAF, O2's, TB, INJ, COILS, everything is plugged in...
I used HP tuners to check for codes, had evap and tank stuff, that was it, shut those all off.

Found an open wire on the crank sensor, made a jumper wire tonight, but didn't work.

Engine will crank over, and sound normal, will lightly sneeze then almost stop cranking sounding as if the timing is off, then back to sounding normal.

Here is what we have. 00 ECM, 01 Harness, 02 Engine. Does the 02 have a different reluctor wheel than the 00 ECM wants to see for crank signal pick up? I was running out of day light tonight, so hung it up...

Any other idea's? And yes, VATS IS SHUT OFF! :-)
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