LT1 swap update - split loom install

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Texas82GP

Just-a-worm
Apr 3, 2015
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I'm running a 93 f body motor with a pieced together mount. Don't want to hijack the op's thread , but if either of you need anything message me
Nice job. It looks like it belongs in there.
 
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slow 442

Greasemonkey
Jan 16, 2014
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JD. It's basically a stock 93 z28 lt1 With #24 injectors with a chip. To raise the fuel pressure with boost it closes off the return line with the blue disc on the d/s valve cover. At the moment I'm basically 6-7 psi and have seen the gauge hit 10 psi from time to time. I have no idea what the total timing is at the moment but I am running an old crane fireball ignition that retards timing as the boost goes up. The car runs great at 180 all day and I would would like to modernize the electronics to open up some tuning options but I'm fine with how it performs now
 
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JD1964

Master Mechanic
Dec 31, 2014
374
506
93
JD. It's basically a stock 93 z28 lt1 With #24 injectors with a chip. To raise the fuel pressure with boost it closes off the return line with the blue disc on the d/s valve cover. At the moment I'm basically 6-7 psi and have seen the gauge hit 10 psi from time to time. I have no idea what the total timing is at the moment but I am running an old crane fireball ignition that retards timing as the boost goes up. The car runs great at 180 all day and I would would like to modernize the electronics to open up some tuning options but I'm fine with how it performs now
Do you have a wideband AF sensor and gauge?
 
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JD1964

Master Mechanic
Dec 31, 2014
374
506
93
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oldsmobile joe

Royal Smart Person
Nov 12, 2015
2,067
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I'm running a 93 f body motor with a pieced together mount. Don't want to hijack the op's thread , but if either of you need anything message me
yes, i see its a 93 f body motor, i can tell by the accessory mount, p/s reservoir and fuel line placement. but i also see a b body water pump. anyways, i'm curious what mounting plate did you use for the vortech? is it for a tune port? or did you just modify the f body lt1 plate?
i also like the S shaped VORTECH air inlet to the intake manifold.
 

Supercharged111

Comic Book Super Hero
Oct 25, 2019
4,908
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Colorado Springs, CO
93 > other LT1 motors.

PXL_20210709_022247330.jpg


Mine's a 4 bolt main. :p
 
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JD1964

Master Mechanic
Dec 31, 2014
374
506
93
Got some stuff done. Again, please ignore the rats nest wiring as I will get to that soon enough.

I cut part of the Z28 PCM mounting bracket so it would sit flat on the fender well.
IMG_7770.JPG


Here it is mounted next to the battery. A nut was used as a spacer to level it under one of the attachments.
IMG_7771.JPG


Just below the PCM I mounted a ground terminal and a batt + terminal. the factory Z28 battery cables are being used since they have nice size aux cables attached in addition to the main cables. You see these aux cables running to the terminals I mounted.
IMG_7768.JPG


Obviously, ground wires for various things will gather at the ground terminal. For the batt + leads, I'll be using the Z28 ones including the fusible links for protection on the heavy circuits.
IMG_7767.JPG


Here's the mounting location of the Z28 relay box. First pic is the base plate that the box snaps into. Second pic is relay box snapped in. Third pic is the location of the junction box that will conceal all the various soldered splices once all the wiring is trimmed down to final length.
IMG_7772.JPG


IMG_7773.JPG


IMG_7774.JPG
 
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