My 86 el camino smog legal 5.3 attempt

CaliWagon83

CaliWagon83

Royal Smart Person
Supporting Member
Nov 12, 2017
1,782
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Orange County, CA
#11
Only smog legal LS swap in Ca is the crate Erod kits from GM performance.
Not exactly. The E-Rods are the easiest to get passed, but as long as the engine is the same year or newer as the car it’s going in, and came out of a similar weight class of vehicle, you should be OK. The only issue I possibly see here is that the 5.3 was never offered in a passenger car, except the transverse LS4.

Although the El Camino is kind of a gray area. They might consider it a “truck” in which case he’ll be OK.
 
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ortega

ortega

Not-quite-so-new-guy
Apr 26, 2010
17
15
3
#12
Well I'm hoping to get it smogged as an ls1, since everything I'm using is off of one except the block and heads. I didn't think of the possibility that they might check casting numbers on the head though. Will see.
 
CaliWagon83

CaliWagon83

Royal Smart Person
Supporting Member
Nov 12, 2017
1,782
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Orange County, CA
#13
The refs have a fair amount of leeway in approving swaps. Again, your best reference is the “Engine Change Guidelines” link I posted. It’s a little vague in some areas, but it’s the best you’ve got short of a CARB EO number.
 
ortega

ortega

Not-quite-so-new-guy
Apr 26, 2010
17
15
3
#14
Not much today, straightened out my old fuel tank straps and bent them the shape of the ls1 tank
20181012_152756-jpg.97421
20181012_152750-jpg.97422
 
ortega

ortega

Not-quite-so-new-guy
Apr 26, 2010
17
15
3
#15
I cut the old fuel tank mounts so the ls1 tank can sit higher
20181012_183508_1539394564315-jpg.97426
 
565bbchevy

565bbchevy

Geezer
Aug 8, 2011
5,937
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Michigan
#16
It will be interesting to see the fit of that tank mounted in the car because that thing looks deep.
 
CaliWagon83

CaliWagon83

Royal Smart Person
Supporting Member
Nov 12, 2017
1,782
1,847
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Orange County, CA
#18
Please keep us posted, especially if you get it approved! There are a lot of misconceptions about doing engine swaps in CA. This will be very informative to a lot of people. Here's another link I found that might be helpful: http://asktheref.org/
 
Last edited:
ortega

ortega

Not-quite-so-new-guy
Apr 26, 2010
17
15
3
#19
Please keep us posted, especially if you get it approved! There are a lot of misconceptions about doing engine swaps in CA. This will be very informative to a lot of people. Here's another link I found that might be helpful: http://asktheref.org/
Thanks for the info. I will keep everybody posted. I don't know how long it will be before this thing even turns on, but well see what happens
 
black_aerocoupe

black_aerocoupe

Apprentice
Apr 12, 2012
61
13
8
#20
I hope the referee likes what you have, and I look forward to updates.
 
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