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#1 |
Registered User
Join Date: Aug 2010
Location: ruston, la
Posts: 97
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Re: 1981 Stepside 5.3 swap
Thanks, I used the entire dash from a 64-66 C10 and added more metal to make it fit around the windshield and A pillars. It was also widened a couple of inches. The tires are 255/60/15 on the front and 275/60/15 on the back.
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#2 |
Registered User
Join Date: Dec 2009
Location: Windsor, Ontario
Posts: 78
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Re: 1981 Stepside 5.3 swap
Truck looks great and I like the dash swap, but I'd like to know if you re-work the stock wiring for the 5.3 or is it a aftermarket harness.
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#3 |
Registered User
![]() Join Date: May 2013
Location: Houston, tx
Posts: 97
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Re: 1981 Stepside 5.3 swap
Did you have to use the dirty dingo mounts or could you have made it work without them? And where did you get your wiring harness from?
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#4 |
Registered User
Join Date: Aug 2010
Location: ruston, la
Posts: 97
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Re: 1981 Stepside 5.3 swap
It's the stock 5.3L harness, I just reworked it using diagrams and instructions from lt1swap.com. I also built my own fuse block using parts shown on there also. It wasn't hard to do it was just time consuming.
I used the dirty dingo mounts for the adjustability. The engine I have has the mechanical fan and I wanted to be able to put it in the fan shroud where it needed to be. I could have made it work with just the adapter plates, but I wanted the adjustability. |
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#5 |
Registered User
![]() Join Date: May 2013
Location: Houston, tx
Posts: 97
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Re: 1981 Stepside 5.3 swap
what did you use to mount trans?
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#6 |
Registered User
Join Date: Aug 2010
Location: ruston, la
Posts: 97
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Re: 1981 Stepside 5.3 swap
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#7 |
Registered User
![]() Join Date: May 2013
Location: Houston, tx
Posts: 97
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Re: 1981 Stepside 5.3 swap
did you have to swap oil pans or did it just because you dropped the truck?
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#8 |
Slots go on anything!
Join Date: May 2003
Location: Richardson, TX
Posts: 5,957
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Re: 1981 Stepside 5.3 swap
The truck looks great! Just a few questions, though. 1. What exhaust manifolds did you use? 2. What did you use for a radiator, or more specifically- how did you deal with the steam hose? 3. did you modify the gas pedal (DBW) or is yours using an accelerator cable?
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#9 |
Registered User
Join Date: Aug 2010
Location: ruston, la
Posts: 97
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Re: 1981 Stepside 5.3 swap
I didn't have to swap pans, I only did it for clearance because of the drop. The stock truck pan works, but it hangs down to low for my comfort.
I'm running tbss manifolds, stock 4 core radiator with 2000 silverado upper and lower hoses, and the steam port ran to the upper hose using an adapter I got at Jegs. It's dbc and I was able to use the cable from a 2000 silverado with the 1981 pedal. Posted via Mobile Device |
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#10 |
Slots go on anything!
Join Date: May 2003
Location: Richardson, TX
Posts: 5,957
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Re: 1981 Stepside 5.3 swap
Cool, thanks!
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#11 |
Registered User
Join Date: Aug 2010
Location: ruston, la
Posts: 97
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Re: 1981 Stepside 5.3 swap
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