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Search: Posts Made By: RJ IROC
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Forum: Tech / General Engine
01-02-2024, 12:39 PM
Replies: 13
Views: 411
Posted By RJ IROC

Re: Alignment

Nothing is modified on my spindles or struts to alter SAI beyond factory allowances, although the strut mount point is moved 1" upwards with the aftermarket caster/camber plates. The cross between...
Forum: Tech / General Engine
01-02-2024, 11:03 AM
Replies: 13
Views: 411
Posted By RJ IROC

Re: Alignment

No. I mentioned that screenshot was before I actually aligned anything. I'm not sure what I settled on back then. This was around 5+ years ago. I slapped on some new strut mounts the day before I...
Forum: Tech / General Engine
01-02-2024, 09:24 AM
Replies: 13
Views: 411
Posted By RJ IROC

Re: Alignment

https://cimg2.ibsrv.net/gimg/www.thirdgen.org-vbulletin/624x468/alignment_570072f95bc710c422dd5fa2ba347b9d816d6dea.jpg
When I was at Hunter, I got to see a lot of alignment printouts for the...
Forum: Suspension and Chassis
11-09-2023, 07:30 AM
Replies: 12
Views: 1,080
Posted By RJ IROC

Re: UMI Torque arm issues

I just installed this kit in mine a couple of months ago. Have you tried using the second hole in those two brackets that connect the round bushings at the cross member (with the two-hole side down...
Forum: Transmissions and Drivetrain
09-28-2023, 11:42 AM
Replies: 8
Views: 2,311
Posted By RJ IROC

Re: How do you determine carrier bearing preload?

If you google "carrier bearing preload gm" there are a gazillion posts, threads, videos about how to measure this. There isn't anything special about the 7.5/7.625 10 bolts other than the specs. ...
Forum: TPI
08-24-2023, 11:24 AM
Replies: 6
Views: 657
Posted By RJ IROC

Re: How do I figure out what timing cover and pointer I need?

Don't overthink it. Older SBCs use the 12 o clock timing tab, but (with a stock balancer) the timing tab should be at the 1:00 position. I don't know when this changed, but I have only seen the 12...
Forum: Exhaust
08-10-2023, 09:29 AM
Replies: 7
Views: 585
Posted By RJ IROC

Re: WB and Narrow O2 sensors showing huge difference

Your wideband should have a small controller as part of the wiring. You need to check the setup of the wideband sensor there. I use an Innovate LC2 setup, and you can change the output curves to...
Forum: TPI
12-13-2022, 03:07 PM
Replies: 7
Views: 684
Posted By RJ IROC

Re: TPS longevity question

I’ve used one from oreillys, and it has lasted a decade so far. No idea on quality of new ones these days, but they are simple potentiometers. I’ve never heard of them failing that often. Maybe you...
Forum: Brakes
11-19-2022, 10:36 AM
Replies: 37
Views: 4,933
Posted By RJ IROC

Re: Lt1 rear calipers...still no ebrake *Update* I GIVE UP

https://cimg2.ibsrv.net/gimg/www.thirdgen.org-vbulletin/2000x1504/859e5e64_811f_44dc_98e1_adfd00c80be1_569488d095cd3f6bdaae32215c3a92a52d28bb4f.jpeg...
Forum: Brakes
11-19-2022, 10:31 AM
Replies: 37
Views: 4,933
Posted By RJ IROC

Re: Lt1 rear calipers...still no ebrake *Update* I GIVE UP

I recently swapped an e brake handle mechanism out of a 2002 F-body into my 85. It’s not as straightforward as I would have thought, but it works flawlessly. The tunnel adjuster setup is straight...
Forum: Wheels and Tires
10-25-2022, 08:22 PM
Replies: 3
Views: 1,334
Posted By RJ IROC

Re: 18” wheel/tire backspace question

I’m running 1” extended ball joints with 18” C5 wagon wheels. I can’t recall, but I think that’s on 1.5” spacers with LS1 front brakes. Wheel comes close to strut and will touch the sway bar at full...
Forum: DFI and ECM
08-05-2022, 10:31 PM
Replies: 4
Views: 2,173
Posted By RJ IROC

Re: OBD1 tuning option in 2022

It’s by far the easiest system to install. I’ve really enjoyed my years with the EBL. It doesn’t have things like sequential injection and closed loop WOT, but it’s easy enough to get around those in...
Forum: TPI
08-03-2022, 10:19 AM
Replies: 10
Views: 571
Posted By RJ IROC

Re: Loss of power when cornering

https://cimg7.ibsrv.net/gimg/www.thirdgen.org-vbulletin/868x646/fuel_pump_wiring_afd9fe359308e15c1b650f09edae6f79a95415f1.png
I was definitely mistaken. Clear as day from this diagram for what...
Forum: TPI
08-01-2022, 11:00 AM
Replies: 10
Views: 571
Posted By RJ IROC

Re: Loss of power when cornering

Just reread your post. Since your issue happened on later rounds, it could have been simply starving the fuel pump of fuel.

Tires get warm and give you more grip AND you likely get faster on a...
Forum: TPI
08-01-2022, 10:57 AM
Replies: 10
Views: 571
Posted By RJ IROC

Re: Loss of power when cornering

I'd bet money that you starved the engine of oil when turning, and the fuel pump stopped running for a second until the oil pressure came back up. There is an oil pressure switch that supplies power...
Forum: Suspension and Chassis
07-12-2022, 07:29 AM
Replies: 31
Views: 1,387
Posted By RJ IROC

Re: Modifying poly rear LCA bushings to allow slightly more articulation?

Why not save time and money with these:
https://cimg1.ibsrv.net/gimg/www.thirdgen.org-vbulletin/906x611/founders_64f41f91aad4f0ed4f8d638fd72c7d80b194e273.png

I've had these on my car for 5-6...
Forum: Suspension and Chassis
04-08-2022, 09:52 AM
Replies: 13
Views: 1,616
Posted By RJ IROC

Re: Alignment Specs for Lowered 3rd Gen

For what it is worth, I don’t think bump steer is as bad of an issue as people make it out to be on these cars. Sure the ackerman angles don’t help, and scrub isn’t ideal either. I put 1” extended...
Forum: DIY PROM
01-30-2022, 08:59 PM
Replies: 5,155
Views: 636,778
Posted By RJ IROC

Re: Tuning with the EBL

No. Only if you are running a boosted application. 1 bar is good for all N/A setups.
Forum: Tech / General Engine
01-17-2022, 09:35 AM
Replies: 12
Views: 1,406
Posted By RJ IROC

Re: TPI Fuel Rail Flush

So how is what you’re doing any different than running the fuel pump normally? Normal operation would actually do a better job of flushing since the pressure is an order of magnitude above what...
Forum: Brakes
09-07-2021, 07:30 PM
Replies: 14
Views: 2,256
Posted By RJ IROC

Re: PBR Caliper, E-Brake not adjusting

To elaborate up on this, the PBR lever/linkage setup in the tunnel is supposed to be self adjusting vs the J65 threaded adjuster. The Junk65 brakes had a ratchet adjustment on the caliper itself, so...
Forum: Brakes
09-07-2021, 07:27 PM
Replies: 14
Views: 2,256
Posted By RJ IROC

Re: PBR Caliper, E-Brake not adjusting

I’ll take a stab at this one. I have pretty similar issues to what you are seeing. Mine work somewhat, but should definitely be grabbing harder than they do. There are two disc brake parking brake...
Forum: Tech / General Engine
08-02-2021, 03:42 PM
Replies: 2
Views: 421
Posted By RJ IROC

Re: 1987 Camaro AC Compressor Serpentine Swap

I’ve looked at a v belt and serp compressor setup side by side, and the main shaft that the clutch mounts to has different lengths between the two. I doubt you’ll be able to get the serpentine clutch...
Forum: Exhaust
07-06-2021, 09:06 PM
Replies: 4
Views: 775
Posted By RJ IROC

Re: Alternative to ARP header bolts

Here’s what I did: thread a bolt all the way into the head to find out the threaded depth. Measure the thickness of the header flange. Hop on over to McMaster Carr and get yourself some stainless...
Forum: Cooling
06-16-2021, 01:20 PM
Replies: 44
Views: 10,710
Posted By RJ IROC

Re: Aftermarket R4 Compressor from UAC - Scroll Design!

You should be monitoring your high side if you keep adding refrigerant. You'll trip the high pressure switch, or the infamous pressure relief valve on the compressor if the head pressure gets too...
Forum: Cooling
06-16-2021, 01:07 PM
Replies: 44
Views: 10,710
Posted By RJ IROC

Re: Aftermarket R4 Compressor from UAC - Scroll Design!

To relate back to the OP, I still think the scroll type is going to suffer the same leaks the radial R4 does. You still have a shaft seal, and O ring seals between the body and outer shell (the...
Forum: TPI
02-18-2021, 01:42 PM
Replies: 9
Views: 873
Posted By RJ IROC

Re: Carb'd tpi....it's still a joke

Richard is a great guy, and really knows his engine stuff. Always love his videos. Never fails to deliver, and has zero problem doing tests even if they are expected to fail. I'd bet he's looked...
Forum: Tech / General Engine
02-18-2021, 11:22 AM
Replies: 23
Views: 2,653
Posted By RJ IROC

Re: ESC Module...do they go bad?

How have you verified the timing is being retarded? Plenty of other things can cause retarded timing.

Is the base timing set correctly?
Has the knock sensor ever been replaced?
Was the knock...
Forum: Tech / General Engine
02-04-2021, 11:52 AM
Replies: 5
Views: 4,418
Posted By RJ IROC

Re: AFR 195 as cast Enforcer heads and Vortec/Fast Burn Intake?

Whatever you end up with, definitely take the time to hand port and make sure everything matches up. I have a later design stealth ram intake, and the ports were horrendous. I opened them up to a...
Forum: Mid-West Region
02-04-2021, 11:46 AM
Replies: 358
Views: 17,999
Posted By RJ IROC

Re: St. Louis, Missouri area F-Body guys

There's always the south county Hooters/Home Depot spot on weekend nights. Midnight Madness and WoW events at gateway are OK.

I do autocross at the Family Arena during the warmer months, and it...
Forum: Tech / General Engine
12-03-2020, 12:09 PM
Replies: 8
Views: 5,065
Posted By RJ IROC

Re: L98 vs LS7 Lifters

Makes sense. I could see the difference in the check ball spring being responsible for controlling the bleed rate. There was a noticeable difference in the amount of force that had to be applied to...
Forum: Tech / General Engine
12-03-2020, 09:05 AM
Replies: 8
Views: 5,065
Posted By RJ IROC

L98 vs LS7 Lifters

After an oil pump pickup cost me an engine, I'm not looking to cut corners on this build. I have been in the process of checking all of the original factory L98 roller lifters for any signs of...
Forum: DFI and ECM
08-12-2020, 06:49 PM
Replies: 126
Views: 7,878
Posted By RJ IROC

Re: EBL and tuner pro

You absolutely can use this as a manual trigger to raise the idle speed. It has nothing to do with the engine warming up. Later cars used the switch in the power steering line to bump the idle speed...
Forum: Electronics
08-11-2020, 08:16 PM
Replies: 14
Views: 1,435
Posted By RJ IROC

Re: Intermittent Starting Issue - 92 Camaro.

Fan-freaking-tastic. Glad you got it sorted out. I wish more people would have chimed in towards the beginning, but you still got it figured out. At the very least, this thread may help someone in...
Forum: Electronics
08-03-2020, 09:06 PM
Replies: 14
Views: 1,435
Posted By RJ IROC

Re: Intermittent Starting Issue - 92 Camaro.

Are you able to connect to the Sniper EFI unit to see if there is an immobilizer or some sort of security mode that may be enabled? In my opinion, anyone intelligent to install a standalone EFI...
Forum: Electronics
07-25-2020, 12:57 AM
Replies: 14
Views: 1,435
Posted By RJ IROC

Re: Intermittent Starting Issue - 92 Camaro.

I think you're going to figure the issue out on your own. You're doing all the right steps, and searching in the right areas for issues.

I've seen problems with the starter solenoid circuit in...
Forum: DIY PROM
07-10-2020, 02:27 PM
Replies: 5,155
Views: 636,778
Posted By RJ IROC

Re: Tuning with the EBL

You can't just use any knock sensor and any knock filter. You need to have the correct one for the engine. The knock sensor is a piezoelectric element that is "tuned" to produce a voltage when it...
Forum: Suspension and Chassis
07-01-2020, 10:39 AM
Replies: 3
Views: 757
Posted By RJ IROC

Re: Sloppy Steering Box

Well, you've already adjusted the thing you're not supposed to adjust. There is a preload adjustment on the ballscrew assembly that is accessible by removing the steering box from the vehicle. It is...
Forum: Transmissions and Drivetrain
06-15-2020, 07:58 AM
Replies: 27
Views: 896
Posted By RJ IROC

Re: Transmission rebuild sucesss (car feels sluggish)

Dude, you have already found your problem. Code 42 means the ECM isn't controlling spark advance, and that is why the car feels like a dog. You're driving around with less than 10 degrees of...
Forum: Suspension and Chassis
06-15-2020, 12:02 AM
Replies: 23
Views: 3,138
Posted By RJ IROC

Re: Bent axle, axle casing, or frame.

This is going to sound strange, but hear me out. I worked at Hunter Engineering, (that printout is from a Hunter system) and I had tested heaps of solid axle cars. A good majority of them read with a...
Forum: DIY PROM
06-03-2020, 07:00 PM
Replies: 5,155
Views: 636,778
Posted By RJ IROC

Re: Tuning with the EBL

See answers to your questions in red:



Make sure you read through the two introduction to tuning pages on dynamicefi.com. It outlines what you need to do to get going initially. If you still...
Forum: Suspension and Chassis
06-03-2020, 07:29 AM
Replies: 1
Views: 555
Posted By RJ IROC

Re: Need some help finding a steering box rebuild kit

Any chain parts store has a rebuild kit. They aren't hard to find at all. I used a powercraft kit when I rebuilt my box, from Advance Auto Parts. Part number is 8522.
Forum: Tech / General Engine
06-02-2020, 02:27 PM
Replies: 6
Views: 503
Posted By RJ IROC

Re: SBC Uneven Idle

Zip a datalog file so we can see what you're seeing. Attach it in a post and there's a gazillion people who will try to help you out. EBL is phenomenal, and the support here is very good. What's your...
Forum: DFI and ECM
05-20-2020, 10:28 AM
Replies: 4
Views: 581
Posted By RJ IROC

Re: MAF and EBL Flash II Conversion

Genuine GM map sensor would be my recommendation. They're very inexpensive. You can search for one off an LT1 Camaro, and it should work fine. I found a delco number 213-1545 that should work. That...
Forum: DFI and ECM
05-18-2020, 09:25 AM
Replies: 47
Views: 2,379
Posted By RJ IROC

Re: 383 SBC 11:1 w/292XFI cam + EBL P4

Get rid of those iridiums and put in a delco or ngk copper plug. That's what you will want to run. What was happening when you tried to start the engine? Also, why do you need to break the engine in?...
Forum: DFI and ECM
05-15-2020, 03:56 PM
Replies: 47
Views: 2,379
Posted By RJ IROC

Re: 383 SBC 11:1 w/292XFI cam + EBL P4

Are those actual Bosch 42s or ebay 42s? I've had a ton of trouble with ebay injectors before...lesson learned. 42s are pretty big, and I could never get them to behave well, but quality 42s should...
Forum: DFI and ECM
05-15-2020, 12:22 PM
Replies: 47
Views: 2,379
Posted By RJ IROC

Re: 383 SBC 11:1 w/292XFI cam + EBL P4

That is really low for a port injected setup. Typical injectors should see anything north of 35psi at idle. If your pressure is that low at idle, you need to adjust/get a proper regulator or a new...
Forum: DFI and ECM
05-15-2020, 09:17 AM
Replies: 47
Views: 2,379
Posted By RJ IROC

Re: 383 SBC 11:1 w/292XFI cam + EBL P4

Give us some more specs on your build so we can better help you out. Injector size? Fuel pressure? If you are running larger injectors, you will have to scale the pulsewidth based parameters...
Forum: Tech / General Engine
03-27-2020, 08:05 AM
Replies: 19
Views: 4,903
Posted By RJ IROC

Re: PCV/crank case vacuum at cammed engine

I'm running an XFI280 cam in a stealth rammed 383. I modified my stock valve to allow more flow at the idle area (60-65kpa). I ground the lip (widest part of the valve) to separate the two halves...
Forum: DFI and ECM
03-10-2020, 02:10 PM
Replies: 6
Views: 532
Posted By RJ IROC

Re: Getting idle right

Why are you running such monstrously huge injectors for this? That alone is going to make dialing in idle fuel difficult.
Forum: Tech / General Engine
02-13-2020, 11:13 AM
Replies: 13
Views: 21,444
Posted By RJ IROC

Re: Importance of CORRECT Spark Plugs on Vortec Heads

I would say so. I made a lot of tuning changes between the wrong seat/tip plug to the correct seat/tip plugs, so I don't have an apples to apples comparison. Overall, it just ran better. Running...
Showing results 1 to 50 of 122
 
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