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Author Topic: My Misc Fiero issues  (Read 126135 times)

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Raydar

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Re: Misc Fiero issues
« Reply #180 on: July 05, 2018, 06:07:22 pm »
Quote from: GTRS Fiero on June 13, 2018, 05:55:01 pm
...The brand new Rodney cat is bad. 

How did you arrive at that conclusion? Brand new cats don't arrive "bad". Stuff from Rodney is especially high quality.
How could you tell?
If it failed, it was probably due to excessive fuel (I finished off a well-used cat, due to a bad O2 sensor) or some other form of overheating.

Quote from: GTRS Fiero on July 05, 2018, 05:56:06 pm
Going to replace the axle nuts and inner seals.  I see another alignment in my near future.

If you don't remove the struts from the knuckles, you really don't need an alignment. Everything else will bolt back together.

I've removed cradles from my '88s repeatedly. As long as the strut/knuckle remains bolted together as an assembly, you can pretty much disassemble whatever you need to. This include the long bolts, trailing links and lateral links.
Just bolt it all back together. Everything should be fine. Seriously.
« Last Edit: July 05, 2018, 06:12:08 pm by Raydar »
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GTRS Fiero

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Re: Misc Fiero issues
« Reply #181 on: July 05, 2018, 06:19:12 pm »
Well, new about 1,000 miles ago.  Banged on the bottom, and the cat went "woof, woof".  Cat is all loose inside.  Doesn't that mean it's bad, when the cat is a dog?  Yes, it was running rich.

I've done the strut/knuckle removal.  True, didn't need an alignment then.  This time, pulling the cradle.  May put Rodney's girders on.  That requires removing the long bolt.  That left wheel bearing was an issue, last time I tried to not remove the knuckle.  I think the angle of the axle shaft damaged the bearing.  I don't want to damage the new bearing.

Also, will probably replace the tie rods, ball joints, and control arm bushings in the front.
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GTRS Fiero

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Re: Misc Fiero issues
« Reply #182 on: July 05, 2018, 06:20:21 pm »
I see you added about the long bolt.  I'm still worried about that bearing.
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GTRS Fiero

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Re: Misc Fiero issues
« Reply #183 on: July 09, 2018, 07:11:40 pm »
Have the wiring harness out for a go-over.  Hoping to clean up the wiring a bit.

One rust spot found on the trunk, so that will need to be fixed.

Still don't know why it was cutting out.
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GTRS Fiero

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Re: Misc Fiero issues
« Reply #184 on: July 10, 2018, 07:59:38 am »
Who is it that is running with a "test cat"?
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Fierofool

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Re: Misc Fiero issues
« Reply #185 on: July 10, 2018, 10:12:09 am »
I have a test pipe on my 87.
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TopNotch

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Re: Misc Fiero issues
« Reply #186 on: July 10, 2018, 12:47:07 pm »
I have a test pipe on my Formula. The cat started making an annoying rattle, so I removed it. I may get a Rodney cat later, just to improve the smell of the exhaust.
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GTRS Fiero

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Re: Misc Fiero issues
« Reply #187 on: July 10, 2018, 05:40:14 pm »
Hmmm.  So my exhaust will smell?

What happens if you add a cat?  Run any differently?
« Last Edit: July 16, 2018, 07:13:22 pm by GTRS Fiero »
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TopNotch

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Re: Misc Fiero issues
« Reply #188 on: July 10, 2018, 05:57:10 pm »
Quote from: GTRS Fiero on July 10, 2018, 05:40:14 pm
Hmmm.  So my exhaust will smell?

What happens if you add a cat.  Run any differently?

No difference at all if it's a good cat.
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The more complex the mind, the greater the need for the simplicity of play.

GTRS Fiero

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Re: Misc Fiero issues
« Reply #189 on: July 10, 2018, 06:08:40 pm »
Ah.

Found the cause for smoke on startup.  The transmission vacuum modulator is bad, and ATF was being sucked into the intake.
« Last Edit: July 15, 2018, 10:00:43 pm by GTRS Fiero »
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GTRS Fiero

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Re: Misc Fiero issues
« Reply #190 on: July 12, 2018, 04:55:52 pm »
Engine goes back into my Fiero tomorrow.  Don't laugh, but the wiring harness issue was at a plug, so that work was for nothing.
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GTRS Fiero

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Re: Misc Fiero issues
« Reply #191 on: July 13, 2018, 05:40:08 pm »
Small problem.  The vacuum port under the intake for the PCV valve is pushing on the FPR.  The port will have to be moved.  The vacuum port for the EGR is also interfering, so adjusments are needed there, also.  The intake plenum doesn't set flat against the middle intake, as is, and I don't want to crack it.

If it seems I'm being picky, I guess I am.
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Fierofool

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Re: Misc Fiero issues
« Reply #192 on: July 13, 2018, 05:50:58 pm »
Something's out of place.  There's normally plenty of room above the FPR.
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GTRS Fiero

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Re: Misc Fiero issues
« Reply #193 on: July 13, 2018, 05:58:50 pm »
I'm abnormal.

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GTRS Fiero

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Re: Misc Fiero issues
« Reply #194 on: July 13, 2018, 06:01:18 pm »
Oddly, this plenum has been off and on, several times.  I'm not sure why it's hokey, now.  It seems that last time we fiddled with it until it fit.
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