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Forum: Exhaust
01-13-2024, 04:53 PM
Replies: 21
Views: 1,004
Posted By AustinF

Re: Do I need O2 sensor with my Hedman headers?

This is my first 3rd Gen, and the first time I've really tinkered with cars, but to elaborate why I found it so confusing:

Figuring out the exact orientation and position of sensor itself wasn't...
Forum: Exhaust
01-12-2024, 02:24 PM
Replies: 21
Views: 1,004
Posted By AustinF

Re: Do I need O2 sensor with my Hedman headers?

Thanks Tuned and ULTM. Didn't know either of those things.
Forum: Exhaust
01-11-2024, 05:14 PM
Replies: 21
Views: 1,004
Posted By AustinF

Re: Do I need O2 sensor with my Hedman headers?

Just to follow up for posterity's sake: I installed the o2 sensor as shown in the hand drawn diagram shown above and it appears to have worked fine. I drove the car from CA to SC last week and didn't...
Forum: Exhaust
12-27-2023, 01:24 AM
Replies: 21
Views: 1,004
Posted By AustinF

Re: Do I need O2 sensor with my Hedman headers?

Yea, my mistake not making it clear if I was asking a question. I was - mainly wanting to know if what I was planning was right.

I don't know where the tan wire is that you mention is grounded,...
Forum: Exhaust
12-24-2023, 05:53 PM
Replies: 21
Views: 1,004
Posted By AustinF

Re: Do I need O2 sensor with my Hedman headers?

Thanks alot ULTM, and Merry Christmas. I got the 02 bung welded in on my y-pipe.

I've also got:

4 way flat connector (18 ga wires)
long length of 18 ga wire to extend wires from 02...
Forum: Exhaust
12-21-2023, 10:14 AM
Replies: 21
Views: 1,004
Posted By AustinF

Re: Do I need O2 sensor with my Hedman headers?

ULTM8Z, I got the ACDelco 02 sensor you recommended and have the headers and Y pipe installed. Thanks to everyone else who replied.

If I install the new heated sensor, will my stock computer/ECM...
Forum: Exhaust
11-23-2023, 03:00 PM
Replies: 21
Views: 1,004
Posted By AustinF

Re: Do I need O2 sensor with my Hedman headers?

Thanks alot guys. Do you know if installing a 02 bung on the Hedman headers would void warranty? Something tells me it would.

I'm thinking of welding it on the Y-pipe right after it connects to...
Forum: Exhaust
11-20-2023, 11:07 PM
Replies: 12
Views: 9,329
Posted By AustinF

Re: Removing Exhaust manifolds

I know this thread is old...but I just ran into this a few days ago and I think I know exactly what your talking about. I put a short 14mm socket on the bolt in question and twisted it with a pair...
Forum: Exhaust
11-20-2023, 10:47 PM
Replies: 21
Views: 1,004
Posted By AustinF

Do I need O2 sensor with my Hedman headers?

Hi everyone, I bought Hedman 68478 mid length headers and am about to install them on my '91 RS (305 with TBI and 5spd). I also plan on using Hedman's 17478 y-pipe, which doesn't have a bung for 02...
Forum: Northern California
11-16-2023, 07:43 PM
Replies: 17
Views: 747
Posted By AustinF

Re: NEW HERE

Are you looking on FB Marketplace?
Forum: Tech / General Engine
10-22-2023, 10:08 PM
Replies: 0
Views: 210
Posted By AustinF

'91 RS dying at low RPM

I have owned a '91 RS 5 spd with a 305 TBI for a month now and haven't had any engine trouble. I let the car sit for 8 days while out of town and started it up again tonight. Startup seemed normal...
Forum: Exhaust
10-18-2023, 01:13 PM
Replies: 29
Views: 1,239
Posted By AustinF

Re: Do I have stock exhaust cat-forward?

Thanks again for the input guys, I got a lot to chew on now. I am planning on paying a mechanic to do the work Transam. I'll keep ya posted...and I will probably come up with more questions:doh:
Forum: Northern California
10-16-2023, 01:01 PM
Replies: 17
Views: 747
Posted By AustinF

Re: NEW HERE

Hang in there man. I did a ton of looking and found this 91' RS in Vacaville for $10,500 (bought it for 9,800). The guy I bought it from just had it repainted. From what I saw, alot of 3rd gens in...
Forum: Exhaust
10-16-2023, 12:27 PM
Replies: 29
Views: 1,239
Posted By AustinF

Re: Do I have stock exhaust cat-forward?

LAFire, I am willing up to $1,500 for exhaust work I'd say. My impression is that manifolds couldn't compete with headers for performance, but if the difference is only 10% or 20%, it seems easier...
Forum: Exhaust
10-11-2023, 08:41 PM
Replies: 29
Views: 1,239
Posted By AustinF

Re: Do I have stock exhaust cat-forward?

Thanks for the very detailed answer Transam. I will need to spend some time researching them. Will the manifolds you listed above outperform Hooker 2055's or similar shorty headers?
Forum: Exhaust
10-06-2023, 02:12 PM
Replies: 29
Views: 1,239
Posted By AustinF

Re: Do I have stock exhaust cat-forward?

Thanks for the thorough answer Vinny. I'll have to start looking for those L69 manifolds - are those something I could get from a junkyard and bring to a muffler shop to install?
Forum: Exhaust
10-06-2023, 12:17 PM
Replies: 29
Views: 1,239
Posted By AustinF

Re: Do I have stock exhaust cat-forward?

Thanks alot Vinny and Airwolfe. Looks like I'm heading to the muffler shop. I'm not gonna be registering the car in CA, so maybe I can eliminate cat or upgrade to a high-flow version.

Does it...
Forum: Exhaust
10-05-2023, 11:47 PM
Replies: 29
Views: 1,239
Posted By AustinF

Do I have stock exhaust cat-forward?

I recently bought a manual, 305 TBI RS and am trying to figure out what has been done to my exhaust. It looks like the previous owner has added 2.5" cat-back pipes with a Magnaflow muffler, but I...
Forum: Interior
09-21-2023, 04:59 PM
Replies: 13
Views: 659
Posted By AustinF

Re: Adding airbag to pre-1990 models?

Man, you guys have pretty well convinced me. I was wondering if you could really rely on a 30+ yr airbag. The idea of me getting in a wreck and my face being smashed against the steering wheel is...
Forum: Interior
09-20-2023, 09:39 PM
Replies: 13
Views: 659
Posted By AustinF

Re: Adding airbag to pre-1990 models?

Ok, thanks for replying.
Forum: Interior
09-20-2023, 09:04 PM
Replies: 13
Views: 659
Posted By AustinF

Adding airbag to pre-1990 models?

Hi everyone, this is my first post here. I'm looking to buy a 3rd gen Camaro but would like to have a steering wheel airbag for safety. From what I have seen, only 1990+ models had them. Can you...
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