The truck ignition coil upgrade - Page 2 - LS1TECH - Camaro and Firebird Forum Discussion

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The truck ignition coil upgrade

 
Old 07-01-2013, 12:12 AM
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Old 07-01-2013, 12:13 AM
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Old 07-01-2013, 12:13 AM
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the EVAP is close but does fit
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Old 07-01-2013, 12:14 AM
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Old 07-01-2013, 12:14 AM
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Old 07-01-2013, 12:14 AM
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tight but fits
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Old 07-01-2013, 12:17 AM
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pass side back bolt is a BITCH....I ground off the head of the bolt and turned it into a stud....place the bracket bolt hole on the stud .......bolt the front down.......dont worry about bolting down the back bolt

make clearance for the wire harness by shimming the bracket up.....i used 2 washers beneath the bolts

pics show MSD wires......LS1 style....fit perfect.......now i have granettelli wires.....they fit great too !!!!
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Old 07-01-2013, 07:56 AM
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Originally Posted by sjsingle1 View Post
re reading this i found it lacked some info on how to mount the truck bracket on the valve cover

I dont know how you did yours paul.....but here is mine

the truck bracket puts the coils to high......so they need to be a little lower
The truck brackets can and will mount on the valve covers just fine-as they do on trucks. On cars, the accessories above the coils interfere.

You can either move the accessories up and/or away like I did OR re-work the bracket to position the coils lower like you did.

How to directly mount the brackets and what & how to move stuff around is all noted in the "how to" above.

Of course, re-locating the bracket works also and has been successfully done by a few others who've done this swap.
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Old 07-05-2013, 05:40 PM
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anyone have a set(2) of the wiring harness that's attached to the bracket for both sides? mine got destroyed from them damn junkyard'ers..PM ME plz
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Old 07-06-2013, 04:42 PM
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i got mine from ebay......
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Old 07-27-2013, 09:19 PM
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Any one out there put these on the early motor?
I have a '98 C5 LS1, with the perimeter bolt valve covers.
Love to hear about what you had to do to mount them.
Thanks.

Last edited by Flip 2; 07-27-2013 at 09:19 PM. Reason: forgot a word, LOL
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Old 07-31-2013, 02:38 PM
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Originally Posted by Flip 2 View Post
Any one out there put these on the early motor?
I have a '98 C5 LS1, with the perimeter bolt valve covers.
Love to hear about what you had to do to mount them.
Thanks.
get the later valve covers........i think.........and matching heads
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Old 07-31-2013, 05:37 PM
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As stated in the above, 97-98 cars with perimiter bolt valve covers/heads will not accept the needed coil brackets that are used in the later years.

If you have perimiter bolt valve covers, you'll need to make your own/custom coil mounting setup. Swapping to later heads would work but certainly do that swap for other, greater reasons.
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Old 08-06-2013, 10:34 PM
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Originally Posted by Paul Bell View Post
As stated in the above, 97-98 cars with perimiter bolt valve covers/heads will not accept the needed coil brackets that are used in the later years.

If you have perimiter bolt valve covers, you'll need to make your own/custom coil mounting setup. Swapping to later heads would work but certainly do that swap for other, greater reasons.
That is it in a nut shell.

Someone with good fabrication skills can probably do a pretty nice job adapting the coils to the existing coil mounts... the rest of us are out to lunch. No way the truck's coil bracket will ever fit the early valve covers.

I put new plug wires on and called it a day.
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Old 11-15-2013, 08:34 PM
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Originally Posted by Paul Bell View Post
The truck brackets can and will mount on the valve covers just fine-as they do on trucks. On cars, the accessories above the coils interfere.

You can either move the accessories up and/or away like I did OR re-work the bracket to position the coils lower like you did.

How to directly mount the brackets and what & how to move stuff around is all noted in the "how to" above.

Of course, re-locating the bracket works also and has been successfully done by a few others who've done this swap.
I just wanted to throw an egg of knowledge in this sticky for clarification; the truck coils will not bolt in after relocating the accessories without aftermarket fuel rails or the relocation that SJS outlined.

I put the coils on my 02 LS6 with a FAST 102/LS2 fuel rail arrangement with no issues. However, when I went to install a set on my 00 LS1 with a FAST 92 and stock LS1 fuel rail, I found the driver's side 3rd coil back (cylinder 5?) would not work with the stock LS1 fuel rail.

I will be switching to aftermarket LS1 rails, but so that people know, the LS1 fuel rail inlet will get in the way with the truck brackets mounted without a relocation downward!

Edit, answer is further down... read on, thanks Paul!

Last edited by themealonwheels; 11-15-2013 at 10:40 PM. Reason: Fuel rail modification makes it possible
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Old 11-15-2013, 09:01 PM
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I was able to install these coils with their bracket in the stock location. The only thing in the way on the passenger side is the PCM harness clip needs to be removed/undone to move the harness out of the way.

On the driver's side, the EVAP needed to be moved and the spot weld just behind the fuel inlet needs to be snipped to allow the fuel inlet to be shoved just a bit.

Passenger side:




Fuel inlet:




EVAP moved:


Last edited by Paul Bell; 07-17-2017 at 10:32 PM.
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Old 11-15-2013, 09:12 PM
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Originally Posted by Paul Bell View Post
I was able to install these coils with their bracket in the stock location. The only thing in the way on the passenger side is the PCM harness clip needs to be removed/undone to move the harness out of the way.

On the driver's side, the EVAP needed to be moved and the spot weld just behind the fuel inlet needs to be snipped to allow the fuel inlet to be shoved just a bit.
GREAT to know!! Thanks guys. I thought it would just bolt right up, and totally forgot about the EVAP. Oops.

Last edited by Sommer86; 11-15-2013 at 09:58 PM.
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Old 11-15-2013, 09:23 PM
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Yeah, it's all in the text in post 1.

Thanks!

Last edited by Paul Bell; 11-15-2013 at 10:36 PM.
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Old 11-15-2013, 09:58 PM
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Originally Posted by Paul Bell View Post
Yeah, it's all in the text in post 1.

Can you un-quote? No need to post them pics again....
Done.
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Old 11-15-2013, 10:36 PM
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I had already relocated the evap solenoid, PCM wiring was moved and I don't have emissions bologna anymore, only thing left in the way was the fuel rail... but you cut that little weld on the rail inlet and shoved it up... interesting! Thanks for your write-up and reply
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