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Old 11-11-2009, 02:31 AM
Blown1993Z28's Avatar
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Cool LTCC and EFI Connestions LSx $20 coil mounting

When my ICM died, I was living in an apartment and all my tools were at my Uncle's house 1.5 hours away. I already had my LTCC kit and was waiting to install it, but I waited too long. I needed my car to get to work and school so I broke down and actually paid the Chevy dealership to install it (really killed me because the electronics were what I knew best) My set of LS2 coils came with the wiring harness and the mounting bracket from a wrecked 2005 Vette. The dealership did a rather ugly coil install using scraps of bare steel bolted from my fuel rail to the 2005 bracket. Even worse they blocked my oil fill cap. (see pic)
Bob Bailey (www.bailey-eng.com) has pictures of some nice coil mounting brackets (Sunspec and Mallory), but I can't find them for sale anywhere. EFI Connections has a nice bracket EFI Connection 24x but it's over $500 (WHAT???) I decided to make my own "bracket" for $20 and it came out really nice. I had some aluminum valve covers waiting a LONG time to get installed (was waiting to get some 1.6RRs while I had the valve covers off) I finally decided to just do the valve covers and coil mounting at the same time. I started on the passanger side because it was the harder one (alternator, oil cap, and PCV valve in the way) I had some trouble getting my stock valve covers off and only managed to get 1/2 the job done today. I took some photos of how ugly the old brackets looked and how neat my $20 "brackets" came out. ($1.67 x 4 for 12" x 1/4" x 20 tpi studs cut in half, 25cents x 8 for matching 1.5" bolts, $3.50 for 100 matching nuts, and another $3.50 for 100 washers, and $4.00 for some bar stock) In the last photo there is a piece of cardboard I'm useing as a template to cut the 8 pieces of bar stock with (tomorrow).
Basically just replace the valve cover bolts with the 6" studs, put a washer, then 5 nuts, another washer, ground strap from coil, another washer, the coil, another washer, and then one last nut. I am mounting LS2 coils with the spark plug wire and coil wire on opposite ends. LS1 coils should fit just as easy but you might have to experiment with the mounting options. There are two holes in the coils to use onto the studs. That gives you 4 different mounting options for each coil to avoid interferance. The way I chose (in the pic) avoids the alternator, oil cap, PCV valve, and allows the bar stock reinforcement on the unused coil holes.
I will post the driver's side tomorrow AFTER I clean up my filthy engine bay and route the wires a little better.

Attached Thumbnails
LTCC and EFI Connestions LSx  coil mounting-dcp01144.jpg   LTCC and EFI Connestions LSx  coil mounting-dcp01149.jpg   LTCC and EFI Connestions LSx  coil mounting-dcp01150.jpg   LTCC and EFI Connestions LSx  coil mounting-dcp01151.jpg   LTCC and EFI Connestions LSx  coil mounting-dcp01152.jpg  

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1993 Z28 M6, Powerdyne 4.5 PSI Supercharger, LTCC Optispark to LS1 conversion, Centerforce Dual Friction Clutch, performance EEPROM, 30# Accel Fuel Injectors, kick ass Pioneer XM stereo, Pioneer 3 way 6.75" all around, 520 Watt Amp, 1.2 F Capacitor, and 2 12" JL Subwoofers in a Q logic box.
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Old 11-11-2009, 10:14 AM
Supercharged B4C's Avatar
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looks good. thats one thing i like about the delteq setup over the bailey that the coilpacks are only 4 of them with 2plugs to each. think it uses the cadillac northstar coilpacks. but you need to clean up under that hood BIG time,lol! and get rid of those rusty manifolds and put some headers on it,haha!
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94 Z28 B4C / FORGED 355 / VORTECH T-T TRIM/ 3" DUMPS, SPIRAL FLOW MUFFLERS/ SNOW PERF METH INJECTION/BUILT AUTO/3K STALL.
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Old 11-11-2009, 10:22 AM
Tony's Avatar
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My wife has a 3.8L camaro (97) that uses the same coil packs. But, those coils don't put out as much as the LSx coils do, and if you are running high compression or spray, you need that extra voltage.
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1996 Z28, OBD-I Conversion, SLP CAI, Hooker Super Comp Headers, Custom ORY, Custom Exhaust, 3.73's, It's Slow...
For everyone asking about Gear RPO codes, here they are...
Gu2 : Axle rear, 2.73 ratio,
gu4 : Axle rear, 3.08 ratio,
gu5 : Axle rear, 3.23 ratio,
gu6 : Axle rear, 3.42 ratio

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if you go, go long, and that is my moto.
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