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1986 Camaro, was a58X config on a sbc 383, now a LS3 and Tremec

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1986 Camaro, was a58X config on a sbc 383, now a LS3 and Tremec

Old 09-23-2015, 05:30 PM
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Car: 2009 G8 GT, 86 IROC
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1986 Camaro, LS3 converted

This is the route I have chosen to go with my 383 since I couldn't get some of the cash out of the motor I had invested into...

E67 ECU, LS3/7 Drive by Wire Throttle Body, ProFlo XT for SBC, 2002 Camaro Body Harness but this may switch over to a 06 GTO body control module and harness since I get the relay bank and the cabling for the rear mount battery in the GTO harness.

1992 Heritage Edition Silver Stripes painted on
1992 Heritage Edition Silver Stripes painted on

I am currently waiting on the GTO Body control module/harness and the Dakota Digital gauge cluster.



I'm Dynamat & Dynalining the entire inside car, after completely bed lining the under and inside of the car





58X & 4X all contained within the timing cover








Yes, it fits. With just some minor machining to the TB for the lower bolts to go into the pre-existing Intake holes





Body harness laid out for disection





2002 F-Body fuel tank





Oil pump drive, no distributor needed.





LT1 Serpintine configuration with Meziere hd 55gph water pump





The opening of the Edelbrock intake actually measured out to 93mm

I'm going to be selling a miniram with brand new fuel pressure regulator and rails. Along with a "mounted, never run" AS&M mono blade.

Last edited by gixxer92; 01-14-2019 at 09:27 PM. Reason: change of title due to new route with the car
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Old 09-23-2015, 06:58 PM
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Re: 58X w/dbw LS3/7 TB on sbc 383

Wow I have to say ... Props to you. I have never even heard that you could do that to a small block Chevy. LS3 electronics and throttle body (not to mention distributor less). I have heard about obd2 conversions for an sbc, but no this. Eagerly will be following this thread.
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Old 09-23-2015, 07:38 PM
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Car: 92 Firebird, 77 Trans Am SE, 86 Z28
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Axle/Gears: 3.08 posi, 3.23 posi, 3.23
Re: 58X w/dbw LS3/7 TB on sbc 383

Is that a EFI Connection 58X? I don't think I've seen anybody use one yet, 24x sure but 58x seems uncommon.
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Old 09-23-2015, 08:13 PM
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Engine: 6.0L, 6.2L
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Axle/Gears: 3:23, 3:42
Re: 58X w/dbw LS3/7 TB on sbc 383

Originally Posted by alex722607 View Post
Wow I have to say ... Props to you. I have never even heard that you could do that to a small block Chevy. LS3 electronics and throttle body (not to mention distributor less). I have heard about obd2 conversions for an sbc, but no this. Eagerly will be following this thread.
It should be easier than the 24X system I installed on an IROC over last fall/winter for a guy in North Dakota.
I won't have to go through and set the IAC and TPS or adjust the 1X distributor to perform the crank learn.


Originally Posted by aliceempire View Post
Is that a EFI Connection 58X? I don't think I've seen anybody use one yet, 24x sure but 58x seems uncommon.
It is theirs, 120-00139 is the part number for the version I have. There is no direct link to it right now, the only way I found out Mike was making/selling it was through a FB page posting they had on their page...
He is producing a 1/4 NPT with mounting shaft for resonant sensor use with the E-67.
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Old 10-09-2015, 09:33 PM
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Re: 58X w/dbw LS3/7 TB on sbc 383




Fenders set, nose on





I got the doors set 3 nights ago to put the front fenders back on





Dakota Digital gauges, it would have been nice if DD would have made the blackouts full length...





Sizing up the Drivers battery tray/Evap canister area for the relay set and ecu. A friend is going to use the template to build a polished stainless steel box and I'm using Aircraft bulkhead connectors and cable cannon plugs to terminate the wiring for the relay bank and ecu





Sizing up the Drivers battery tray/Evap canister area for the relay set and ecu. A friend is going to use the template to build a polished stainless steel box and I'm using Aircraft bulkhead connectors and cable cannon plugs to terminate the wiring for the relay bank and ecu
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Old 10-31-2015, 07:25 AM
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Re: 58X w/dbw LS3/7 TB on sbc 383




New fuel pump, I'm not taking the tank back out once the rear end is in!





Pulled for a rebuild





$500 later... I should have bought the tools for the cost and did it myself.





Spohn chrome moly








Easy in and out and no I'm not using the solid motor mounts...
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Old 10-31-2015, 01:33 PM
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Axle/Gears: 3.08 posi, 3.23 posi, 3.23
Re: 58X w/dbw LS3/7 TB on sbc 383

$500 isn't bad for an axle rebuild. It'd be worth it to me, I don't have the patience to do it myself, to mess it up, to have it whine and then send it out to be built correctly.
Of course that depends on skill level and all, which I'm betting you have more of than me. I'm guessing you already had those moser axles in there?
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Old 10-31-2015, 02:24 PM
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Re: 58X w/dbw LS3/7 TB on sbc 383

The Moser 12 bolt rear was was in my 94Z originally.
I'm running 4th gen rims on the car so the rear end bolting right in was a natural option. No sense in taking a loss on selling the 4th gen rear to buy another with 1" shorter axles. I beat the hell out of that rear since 2006, she was whining a bit, just felt sloppy when it was being drove.
I would have been money a head if I had bought the tools, I'm sure I will be putting a 3:55 gear ring in it at some point.
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Old 11-09-2015, 09:18 AM
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Re: 58X w/dbw LS3/7 TB on sbc 383

Looks like you're got a good handle on the conversion

What are you doing for the engine harness?
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Old 11-14-2015, 07:39 PM
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Axle/Gears: 3:23, 3:42
Re: 58X w/dbw LS3/7 TB on sbc 383

Well I finally got a little more done with it today.
I got the front A-Arms installed, installing aftermarket springs was a bit tricky...
Motor is in, I just need to go re-claim my 6 speed next weekend and get it installed. I'm trying to figure out if i want to use the aftermarket 4 core radiator or go to stock and run the factory dual fans...
The motor is in, the intake looks to align nicely with the stock intake, I'm hoping I can pull enough air through it...














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Old 04-02-2016, 09:19 PM
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Axle/Gears: 3:23, 3:42
Re: 58X w/dbw LS3/7 TB on sbc 383

Change of course for this car... I'm running the SBC 58x on a different car.













Tremec issues...





Holley Accessory Drive





Holley Accessory Drive





Trans Dapt SBC brackets with Spohn Chrome Moly K member for SBC





Trans Dapt SBC brackets with Spohn Chrome Moly K member for SBC





Don't use the Hooker relocation brackets if your running the spohn K member. #4 will not clear the back control arm mount





Tremec installed





Hooker Blackheart Dual Exhaust system


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Old 04-02-2016, 09:20 PM
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Axle/Gears: 3:23, 3:42
Re: 58X w/dbw LS3/7 TB on sbc 383

Hooker Blackheart Dual Exhaust system





Hooker Blackheart Dual Exhaust system





Hooker Blackheart Dual Exhaust system





Hooker Blackheart Dual Exhaust system





Hooker Blackheart Dual Exhaust system





Hooker Blackheart Dual Exhaust system





Hooker Blackheart Dual Exhaust system





Hooker Blackheart Dual Exhaust system





Hooker Blackheart Dual Exhaust system





Hooker Blackheart Dual Exhaust system


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Old 04-27-2016, 03:00 PM
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Car: 1986 Camaro Sport Coupe
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Re: 1986 Camaro, was a58X config on a sbc 383, now a LS3 and Tremec

Very nice looking exhaust. Do you think it would work if I were to ditch the two front pipes connecting the exhaust to the headers and fab it it my longtubes on my sbc?
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Old 04-28-2016, 07:12 PM
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Re: 1986 Camaro, was a58X config on a sbc 383, now a LS3 and Tremec

I think you could "modify the two front pipes to fit the long tubes, keeping the x-pipe in there. Just get the header cones and trim the 12" (or so) of exhaust past the header cutting it, angling it and re-welding it. That is what i was looking at picturing where my SBC was sitting with headers on it and where these pipes are connecting at.
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Old 04-28-2016, 07:38 PM
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Re: 1986 Camaro, was a58X config on a sbc 383, now a LS3 and Tremec

Originally Posted by gixxer92 View Post
I think you could "modify the two front pipes to fit the long tubes, keeping the x-pipe in there. Just get the header cones and trim the 12" (or so) of exhaust past the header cutting it, angling it and re-welding it. That is what i was looking at picturing where my SBC was sitting with headers on it and where these pipes are connecting at.
Thanks, that's exactly what I was planning. I just a dual 2.5 all the way out back. I ordered it earlier today actually
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Old 04-29-2016, 08:22 AM
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Re: 1986 Camaro, was a58X config on a sbc 383, now a LS3 and Tremec

Let me know how this goes if your keeping a post of what your doing to yours. I still have my 383 SBC and might put it in my dads 88 TA this winter with the 58 configuration and with LS3 DBW and E38 ECU. I have the hooker 2210's and may run the blackheart system on his car or at least figure out how to construct the X-pipe configuration & cross member to adapt to the B&B tri-flow I put on his car a couple of weeks ago.
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Old 04-29-2016, 08:15 PM
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Re: 1986 Camaro, was a58X config on a sbc 383, now a LS3 and Tremec

Originally Posted by gixxer92 View Post
Let me know how this goes if your keeping a post of what your doing to yours. I still have my 383 SBC and might put it in my dads 88 TA this winter with the 58 configuration and with LS3 DBW and E38 ECU. I have the hooker 2210's and may run the blackheart system on his car or at least figure out how to construct the X-pipe configuration & cross member to adapt to the B&B tri-flow I put on his car a couple of weeks ago.



If I remember I Will let you know how it goes. I should just need to hack the front pipes and get a couple bends or tubing from summit and fab it

Last edited by 86Base; 04-29-2016 at 08:30 PM.
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Old 05-15-2016, 08:51 AM
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Re: 1986 Camaro, was a58X config on a sbc 383, now a LS3 and Tremec

I changed the oil pan back to the stock LS3 GMPP unit because the F-Body GM pan was hitting the centerlink bar and would not function with the F-body pan. I'm glad I hadn't' sold the stock GMPP oil pan








The front of the GM F-Body pan drops down an half inch more than the stock pan GM sends on the LS3 Crate motor. This caused the steering centerlink to hit the pan and could not be bolted in place.




Spohn K-member clearance with the stock LS3 GMPP pan




Centerlink clearance w/ Stock LS3 pan




Centerlink clearance w/ Stock LS3 pan




Baer racing bump steer kit




Baer racing bump steer kit
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Old 12-05-2016, 09:44 PM
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Re: 1986 Camaro, was a58X config on a sbc 383, now a LS3 and Tremec


Progress updates coming
R4 compressor versus the Sanden.



I love this photo!

Last edited by gixxer92; 12-05-2016 at 09:48 PM.
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Old 01-16-2019, 08:20 AM
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Re: 1986 Camaro, was a58X config on a sbc 383, now a LS3 and Tremec

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Old 01-16-2019, 08:22 AM
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Re: 1986 Camaro, was a58X config on a sbc 383, now a LS3 and Tremec



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Old 02-20-2019, 10:53 AM
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Re: 1986 Camaro, was a58X config on a sbc 383, now a LS3 and Tremec

Have you been for a ride yet? Im collecting parts for a 6.2 E67 swap now...
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Old 02-20-2019, 02:05 PM
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Re: 1986 Camaro, was a58X config on a sbc 383, now a LS3 and Tremec

Originally Posted by JAYDUBB View Post
Have you been for a ride yet? Im collecting parts for a 6.2 E67 swap now...
I drove it last year before it went in for paint. Love the acceleration and looking forward to driving it this spring. It is very quite inside with the Dynamat and Dynaliner little to no rattles in the car.
I got new ACC carpet for it today, received the new weather seal kit last week and have to upgrade the rims and brakes maybe toward the end of the summer. The 96 GS HD Brakes do good for now.
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Old 02-20-2019, 03:49 PM
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Re: 1986 Camaro, was a58X config on a sbc 383, now a LS3 and Tremec

Originally Posted by gixxer92 View Post
I drove it last year before it went in for paint. Love the acceleration and looking forward to driving it this spring. It is very quite inside with the Dynamat and Dynaliner little to no rattles in the car.
I got new ACC carpet for it today, received the new weather seal kit last week and have to upgrade the rims and brakes maybe toward the end of the summer. The 96 GS HD Brakes do good for now.
We need VIDEO! LOL!. I plan on starting my swap by the end of the summer...
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Old 02-20-2019, 05:23 PM
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Re: 1986 Camaro, was a58X config on a sbc 383, now a LS3 and Tremec

There's one on my page of it's idle.
https://www.facebook.com/pg/gixxer92IROC/
Click Video's on the LH side.
I will have to find the one from last year my daughter took while riding along after first start.
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