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Search: Posts Made By: jshepit
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Forum: Transmissions and Drivetrain
05-20-2020, 06:48 AM
Replies: 5
Views: 473
Posted By jshepit

Re: Driveshaft direction (heavy end front or back)?

So the slip yoke goes on the heavy of the driveshaft 👍correct? Thanks a ton ez2cdave. I appreciate it. Sorry it took me a bit for your message to sink in.. Getting old sucks 🤨
Forum: Transmissions and Drivetrain
05-19-2020, 08:16 AM
Replies: 5
Views: 473
Posted By jshepit

Re: Driveshaft direction (heavy end front or back)?

The slip yoke has been removed. Neither end has anything attached and both ends look identical. Just one end is heavier than the other and we’re not sure which mounts to tranny vs diff. Anyone know...
Forum: Transmissions and Drivetrain
05-18-2020, 09:25 PM
Replies: 5
Views: 473
Posted By jshepit

Driveshaft direction (heavy end front or back)?

88 IROC 305 5 speed. My son removed the drive shaft on Xena (our 88) and can’t remember whether the heavy end of the driveshaft is front or back. We just want to get it right. Anyone know? Thanks
Forum: TPI
01-26-2013, 06:49 PM
Replies: 25
Views: 2,773
Posted By jshepit

Re: 305 TPI 305 Miserably failed emission. Please advice

mafs bosch too.
Forum: TPI
01-26-2013, 06:49 PM
Replies: 25
Views: 2,773
Posted By jshepit

Re: 305 TPI 305 Miserably failed emission. Please advice

Yea, it's a MAF. I changed all the injectors a couple of years ago with bosch, but doesn't mean I still dont have one acting up. I guess the only way to know for sure is to take them out and turn...
Forum: TPI
01-26-2013, 06:26 PM
Replies: 25
Views: 2,773
Posted By jshepit

Re: 305 TPI 305 Miserably failed emission. Please advice

Only got one tested before my meter lead broke, but it tested low 15.2. It's my plan to retest all tomorrow after getting in all heated up. Your suggesting they should all read 16 or high 15 right? ...
Forum: TPI
01-26-2013, 06:06 PM
Replies: 25
Views: 2,773
Posted By jshepit

Re: 305 TPI 305 Miserably failed emission. Please advice

Yea, it really sucks trying to pass current emissions. The car does smell a bit gassy and I'd like to get that fixed and get it on the road by passing emissions. It is a bit baffling that it failed...
Forum: TPI
01-26-2013, 05:36 PM
Replies: 25
Views: 2,773
Posted By jshepit

Re: 305 TPI 305 Miserably failed emission. Please advice

This whole engine checks out almost perfectly using my Datamaster software, my trusty meter, timing light, pressure testing equipment, etc... I'm probably not an expert, but everything checks outs. ...
Forum: TPI
01-10-2013, 10:49 PM
Replies: 25
Views: 2,773
Posted By jshepit

Re: 305 TPI 305 Miserably failed emission. Please advice

No. it was pretty hot when I got to Midas. I've never replaced it. I suspect it's pretty old. Seems there should be a temp test before and after cat to really determine good or bad, but I'm not...
Forum: TPI
01-10-2013, 10:16 PM
Replies: 25
Views: 2,773
Posted By jshepit

Re: 305 TPI 305 Miserably failed emission. Please advice

Thanks for the tips. I may have measured the wrong sensor earlier. I have a hand made harness I'll try to measure the coolant temp sensor more accurately. It's a bit tough to get to. I'll also...
Forum: TPI
01-10-2013, 05:47 PM
Replies: 25
Views: 2,773
Posted By jshepit

Re: 305 TPI 305 Miserably failed emission. Please advice

I'll warm the car up here shortly, but the ect measures 33ohms cold (not Running) I just disconnected it and measured across terminals. Colorado's like 35F so it's pretty cold. Your suggesting that...
Forum: TPI
01-10-2013, 05:19 PM
Replies: 25
Views: 2,773
Posted By jshepit

Re: 305 TPI 305 Miserably failed emission. Please advice

est was disconnected. No leaks are detected at the fuel pump regulator that I can see. Fuel pressure holds after shut down so I'm assuming no leaks as well. Datamaster results show ect starting at...
Forum: TPI
01-10-2013, 03:43 PM
Replies: 25
Views: 2,773
Posted By jshepit

Re: 305 TPI 305 Miserably failed emission. Please advice

Also,

1)tested for vacuum leaks and found none so far.
2)It also seem to go from Open Loop to Closed just fine (according to Datamaster).
3) Gas cap replaced a while ago.

It definately...
Forum: TPI
01-10-2013, 03:35 PM
Replies: 25
Views: 2,773
Posted By jshepit

305 TPI 305 Miserably failed emission. Please advice

HC GPM was 5.3 (limit is 2)
CO GPM was 49 (limit is 20)
CO2 GPM was 470 (Good or bad? Report didnt say
N0x GPM was 2.8 (limited 4) Passed

1) timing +4
2) plugs look pretty good (clean)...
Forum: Exterior Parts Wanted
09-09-2011, 02:43 PM
Replies: 2
Views: 360
Posted By jshepit

1988 IROC-Z Rear Bumper Skin

Need true IROC-Z rear bumper skin. I just need it to be free of breakage (no broken off pieces). Will pay good price and for shipping. You can text me at 303-552-1200. Send a pic if you can....
Forum: History / Originality
09-09-2011, 01:58 PM
Replies: 2
Views: 642
Posted By jshepit

1988 IROZ LB9 5-speed - how unique is this car?

I have a 1988 IROZ LB9 T5 Transmission all original. How can I find out how unique this IROZ might be to the other 27,811 produced in 1988? Or said differently, how many were produced like mine...
Forum: Exterior Parts for Sale
05-18-2010, 06:14 PM
Replies: 41
Views: 1,725
Posted By jshepit

Re: parting out my 88 camaro

No. I'm looking for the full rear bumper cover where the "Tuned Port Injection" and "IROC-Z" (or Z28) emblems are located. Our IROC has the ground effects on the cover so it would need a...
Forum: Tech / General Engine
05-18-2010, 06:11 PM
Replies: 6
Views: 7,417
Posted By jshepit

Re: Need help with Rear main seal

I figured so, but thought I'd ask. Wasn't sure on the pan so this was a good bit of intel. This baby will definately not be pulled apart without all gaskets and seals being replaced. Learned my...
Forum: Exterior Parts for Sale
05-17-2010, 08:59 PM
Replies: 41
Views: 1,725
Posted By jshepit

Re: parting out my 88 camaro

I have an 88 IROC-Z that I need a rear bumper skin/cover. My problem has been that when I find one the shipping is more than the skin/cover. If you think you have a quality skin/cover with no...
Forum: Tech / General Engine
05-17-2010, 08:45 PM
Replies: 6
Views: 7,417
Posted By jshepit

Re: Need help with Rear main seal

I have an 88 IROC 305 TPI that I suspect is leaking from the rear main. Did you get your's replaced and how easy was it? I know you have to drop the tranny, but does the bell housing have to come...
Forum: Exterior Parts for Sale
03-21-2010, 06:40 PM
Replies: 578
Views: 43,137
Posted By jshepit

Re: 3rd gen camaro, firebird, trans am DOORS FENDERS GROUND EFFECTS

Ted, jshepit here. I was just curious if you had a chance to check and see if you had a rear bumper skin with IROC-Z on the right side of bumper and Tuned Port Injection (in letters) on the left...
Forum: Exterior Parts for Sale
03-15-2010, 11:02 PM
Replies: 578
Views: 43,137
Posted By jshepit

Re: 3rd gen camaro, firebird, trans am DOORS FENDERS GROUND EFFECTS

Ted, My boys and I have an 88 Camaro IROC-Z Tuned Port Injection. The rear bumper skin was damaged, boys moving the rear end around and hit a small pole, and it has a hole in it. standing in back...
Forum: Exterior Parts for Sale
03-11-2010, 07:16 PM
Replies: 578
Views: 43,137
Posted By jshepit

Re: 3rd gen camaro, firebird, trans am DOORS FENDERS GROUND EFFECTS

Are either of the rear bumpers 86-89 that you have for IROZ tuned port?
Forum: Suspension and Chassis
03-11-2010, 06:48 PM
Replies: 118
Important/Useful : Suspension How To...
Views: 84,461
Posted By jshepit

Re: Suspension How To...

I have a side question on rear calipers for a camaro. There was a GM recall on the 82-86 camaro for the "Clutch Park Brake Adjuster" not working properly so the parking brake would not operate. ...
Forum: TPI
12-27-2009, 08:01 PM
Replies: 49
Views: 15,465
Posted By jshepit

Re: Engine damage running ALDL with A and B jumpered???

This was not an easy problem to solve. It did take a handheld scanner while driving, but what solved the problem was removing the metal plate under the electronic control module in the distributor...
Forum: Northern Great Plains and Rocky Mountain
08-18-2009, 01:56 PM
Replies: 4
Views: 586
Posted By jshepit

Re: BADLY need a good thirdgen mechanic in northern colorado

Thanks! We'll give hime a call. Have you used him before?
Forum: TPI
08-11-2009, 06:22 PM
Replies: 49
Views: 15,465
Posted By jshepit

Re: Engine damage running ALDL with A and B jumpered???

An update to an old problem. We have done everything we can think of and this 88 305 TPI still sputters/misses when trying to maintain a steady speed, but sputter/miss is eliminated with the jumper...
Forum: Northern Great Plains and Rocky Mountain
08-11-2009, 12:07 PM
Replies: 4
Views: 586
Posted By jshepit

BADLY need a good thirdgen mechanic in northern colorado

We've done everything we can think of to solve our 88 Camaro's 305 TPI sputter/miss when trying to maintain a steady speed. It's now time to hand it over to someone that knows more than us. Does...
Forum: Interior
06-23-2009, 04:43 PM
Replies: 11
Views: 723
Posted By jshepit

Re: What does this switch do?

Just so you know. When you reply or create a thread you can go to "advanced" and you'll see a paperclip option. Click on this and you can browse your PC for a pick to include in your post. Or you...
Forum: Tech / General Engine
06-23-2009, 04:35 PM
Replies: 8
Views: 437
Posted By jshepit

Re: What is this Please help

It is common for these to leak/crack out of the bottom. I agree with campin1983 that somethings broke somewhere. Inspect it real good because it dosen't take much of a crack to leak. Good luck.
Forum: Tech / General Engine
06-23-2009, 03:55 PM
Replies: 8
Views: 437
Posted By jshepit

Re: What is this Please help

Its the fuel vapor canister. beleive fuel vapors from the gas tank our collected here and then drawn into the carb or fuel injection system to be burned off.
Forum: Engine/Drivetrain/Suspension Wanted
06-19-2009, 12:11 PM
Replies: 6
Views: 906
Posted By jshepit

Re: 305 TPI Intake Manifold

Thanks for the info, but already nailed down a manifold off an 88. Thanks again!
Forum: Tech / General Engine
06-18-2009, 11:26 AM
Replies: 6
Views: 2,933
Posted By jshepit

Re: 19lb or 24lb injector with stock 305

Thanks. I'll give them a shot!
Forum: Tech / General Engine
06-18-2009, 10:55 AM
Replies: 6
Views: 2,933
Posted By jshepit

Re: 19lb or 24lb injector with stock 305

Thanks. Gas mileage is pretty poor. I'm still baffled though than when I jumper ALDL pins A&B the miss goes away, but it's not running at optimal performance of course. Do you think when you put...
Forum: Tech / General Engine
06-18-2009, 10:47 AM
Replies: 6
Views: 2,933
Posted By jshepit

Re: 19lb or 24lb injector with stock 305

Thanks. This is just what I thought. I really don't know for positive they are 24's, but they are not OEM and there is a 24 stamped on edge of injector. I beleive there Accel injectors. I just...
Forum: Engine/Drivetrain/Suspension Wanted
06-18-2009, 10:39 AM
Replies: 6
Views: 906
Posted By jshepit

Re: 305 TPI Intake Manifold

This is a stock 1988 305 TPI so honestly I'm not sure whether the 86 is fully compatible. Mines an F series 3rd Gen. Do you know what the differences are between the years?
Forum: Engine/Drivetrain/Suspension Wanted
06-18-2009, 10:37 AM
Replies: 6
Views: 906
Posted By jshepit

Re: 305 TPI Intake Manifold

I'm pretty sure this car is a stock 1988.
Forum: Tech / General Engine
06-17-2009, 06:11 PM
Replies: 6
Views: 2,933
Posted By jshepit

19lb or 24lb injector with stock 305

Will my stock 1998 305 TPI fuel system perform ok with 24lb injectors? Stock is 19lb injectors, but I'm curious whether 24 would be ok or create drivability problems. It looks like there might be...
Forum: Engine/Drivetrain/Suspension Wanted
06-17-2009, 01:37 PM
Replies: 6
Views: 906
Posted By jshepit

305 TPI Intake Manifold

Looking for intake manifold for 305 TPI. I have everything else, just need the manifold.
Forum: Engine/Drivetrain/Suspension Parts for Sale
06-17-2009, 01:34 PM
Replies: 4
Views: 712
Posted By jshepit

Re: TPI Setup out of an 89 Formula 305

still available?
Forum: TPI
06-08-2009, 02:12 PM
Replies: 4
Views: 747
Posted By jshepit

Re: TPI Runs real bad at steady speed, very frustrated!!!

I replaced the MAF a while back and it seems to be clean and working properly.

thanks for responding.
Forum: TPI
06-08-2009, 02:11 PM
Replies: 4
Views: 747
Posted By jshepit

Re: TPI Runs real bad at steady speed, very frustrated!!!

Thanks. I did disconnect the EGR soleinoid and it doesn't seem to make any difference it how it runs. Not exactly sure what that means, but I'll reconnect and try to see if I can verify the EGR...
Forum: TPI
06-02-2009, 12:48 PM
Replies: 4
Views: 747
Posted By jshepit

TPI Runs real bad at steady speed, very frustrated!!!

I have a 1987 Camaro 305 TPI that starts and idles great, but when you try to maintain a steady speed (45, 50, 55, etc..) and your kind of just feathering the gas pedal it, will backfire through...
Forum: Engine/Drivetrain/Suspension Parts for Sale
05-28-2009, 09:22 PM
Replies: 4
Views: 437
Posted By jshepit

Re: Ignition system

did this sell? I'm looking for the ignition coil connectors on external coil for 88 TPI 305.
Forum: Brakes
04-10-2009, 01:36 PM
Replies: 15
Views: 989
Posted By jshepit

Re: 1989 with 4 wheel disc brakes???

Can anyone explain in more detail the reference to the parking brake working in this tread? My 88's parking brake dosen't work at all and my mechanic said the rear calipers are the problem. ...
Forum: TPI
03-27-2009, 12:35 PM
Replies: 49
Views: 15,465
Posted By jshepit

Re: Engine damage running ALDL with A and B jumpered???

Thanks for responding. No MSD or special spark plugs. This baby is pretty much stock, from an engine perspective. I'll review the lite bounce again. It is my understanding that it's pretty quick...
Forum: TPI
03-24-2009, 12:40 PM
Replies: 1
Views: 1,180
Posted By jshepit

Electronic Spark Timing Wire - Where is it?

Where is exactly is the Electronic Spark Timing (EST) wire located? What is it connected to? I just can't seem to find it.

88 IROZ 305 TPI

Thanks,
Forum: TPI
03-24-2009, 11:36 AM
Replies: 49
Views: 15,465
Posted By jshepit

Re: Engine damage running ALDL with A and B jumpered???

I'm completely lost now. I have replaced everything I can think of and this 305 TPI and it still misses. If you push real hard it kinda of gets through it, but if your just maintaining a constant...
Forum: TPI
02-23-2009, 11:23 PM
Replies: 49
Views: 15,465
Posted By jshepit

Re: Engine damage running ALDL with A and B jumpered???

Wow!! I started this tread and listened to everyone very closely and here is where I am. I've had the car into two mechanics and had them run a scanner test on the system, both said the ECM is bad...
Forum: DIY PROM
02-23-2009, 10:40 PM
Replies: 2
Views: 2,275
Posted By jshepit

Re: ECM 7165 Eprom 16084242, what is 16055375/276 on this ECM

Thanks RBob. This is very helpful. It seems anytime a post is made for the ECM or PROMS there are few that respond. It must be a big unknown for most. Thanks for the info!
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