Mods Because Of Social Distancing

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donjetman

donjetman

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Ok Chris, you talked me out of the headers. I'll stick to stock exh manifolds. Thanks
 

Rocket Man

Mark
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Social distancing has given me way too much time. I'm ordering parts for mods I've only been dreaming about doing to our Yukon. I like to experiment, so

I've ordered and I'm adding:
a) a remote mounted 1 gal oil tank to increase sump capacity, Viair# 91014
b) a oil cooler, Hayden# 696
c) a 180* thermostat

and if the social distancing continues long enough, I'm gonna:
d) remove the heads so as to extract all the broken exh manifold bolts.
e) install headers
f) hallow out, or replace w/fake, the cats
g) get the engine tuned for 87 octane and two O2 sensors.
h) get the trans tuned

I have 2 drag race cars, that's why I drive the Yukon like a lil ol lady. I get my kicks at the track. Remember, we mainly use this vehicle to drive at the speed limit to and from a second home 1000 miles away.

Any part# suggestions/link?
Anything else while it's down and/or apart?

Thanks
Just buy an off-road y pipe with no cats.
Edit: didn’t even notice the 87 tune. Don’t do that, it makes zero sense. Tune it for 92 and most tuners , Blackbear included will tune the trans too. You won’t lose power if you go with 1 3/4” primaries on the headers and it will sound great and be fun to drive, even if you drive slow.
 
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Rocket Man

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