The Derretta, 1994 base with some attitude.

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Re: RE: Re: The Derretta, 1994 base with some attitude.

Postby GT_Indy » Thu Jan 11, 2018 9:20 am

whiteretta wrote:
woody90gtz wrote:Are you positive the new ECM is good? Can't find any issues with the wiring?
Jon mentioned on Facebook that it may be a corrupt tune file that's killing the ECM's, it makes sense. I put the tune in the new ECM, then can't connect anymore...

I ordered another ECM, I should be seeing it in a week. I deleted the tune files I was using, and modified the stock tune with the basics. Injector flowrate, EGR activation RPM, governor and rev limiter.

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This is why I like the prom chip is removable from the obd1 stuff. If it goes bad, its just one chip instead of a whole ECM.


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Re: The Derretta, 1994 base with some attitude.

Postby whiteretta » Thu Jan 11, 2018 7:34 pm

Bam! $30 fix! Thanks Jon!

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Re: RE: Re: RE: Re: The Derretta, 1994 base with some attitude.

Postby 3X00-Modified » Fri Jan 12, 2018 6:23 am

GT_Indy wrote:
whiteretta wrote:
woody90gtz wrote:Are you positive the new ECM is good? Can't find any issues with the wiring?
Jon mentioned on Facebook that it may be a corrupt tune file that's killing the ECM's, it makes sense. I put the tune in the new ECM, then can't connect anymore...

I ordered another ECM, I should be seeing it in a week. I deleted the tune files I was using, and modified the stock tune with the basics. Injector flowrate, EGR activation RPM, governor and rev limiter.

Sent from my VS501 using Tapatalk


This is why I like the prom chip is removable from the obd1 stuff. If it goes bad, its just one chip instead of a whole ECM.
But ecm's are so cheap!

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Re: The Derretta, 1994 base with some attitude.

Postby whiteretta » Fri Jan 12, 2018 10:48 am

$30 on eBay was very reasonable to me, lol.

Next on the list is getting my new rear axle POR15'd and prepped for the Neon disc swap...

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Re: The Derretta, 1994 base with some attitude.

Postby whiteretta » Sat Jan 13, 2018 4:04 pm

Tore down the new axle today! The junk poly bushings just pushed right out, but the internal sway bar bolts needed coerced.

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Re: RE: Re: RE: Re: The Derretta, 1994 base with some attitude.

Postby GT_Indy » Sat Jan 13, 2018 4:56 pm

3X00-Modified wrote:
GT_Indy wrote:
whiteretta wrote:
woody90gtz wrote:Are you positive the new ECM is good? Can't find any issues with the wiring?
Jon mentioned on Facebook that it may be a corrupt tune file that's killing the ECM's, it makes sense. I put the tune in the new ECM, then can't connect anymore...

I ordered another ECM, I should be seeing it in a week. I deleted the tune files I was using, and modified the stock tune with the basics. Injector flowrate, EGR activation RPM, governor and rev limiter.

Sent from my VS501 using Tapatalk


This is why I like the prom chip is removable from the obd1 stuff. If it goes bad, its just one chip instead of a whole ECM.
But ecm's are so cheap!

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Yep. But being electrical I'd probably source the parts and repair my ECM. lol

Can the OBD2 tuner emulate off the laptop and do changes on the fly or does it have to reflash each time?


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Re: The Derretta, 1994 base with some attitude.

Postby woody90gtz » Sat Jan 13, 2018 10:21 pm

Rewritable chips are $5. Haha

What am I missing about poly bushings in a stock rear axle beam? Aren't they rubber?

I tried to use a ball joint press to remove mine but didn't have the perfect adapter for it. Thinking I'll need to pull the whole axle out and do it on a bench.


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Re: The Derretta, 1994 base with some attitude.

Postby whiteretta » Sat Jan 13, 2018 10:44 pm

I need to buy TunerPro RT, so I can check out live data. The free one is nice, but I really want to be able to tune it properly. RT is only $40 too.

The axle is Shane's old axle and it had the Delrin bushings, which were junk lol. I have some Moog ones on order though!

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Re: The Derretta, 1994 base with some attitude.

Postby woody90gtz » Sun Jan 14, 2018 5:03 pm

Gotcha.

RT is free with an optional donation. It's just a 10sec wait if you don't pay it.


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Re: RE: Re: The Derretta, 1994 base with some attitude.

Postby whiteretta » Sun Jan 14, 2018 6:37 pm

woody90gtz wrote:Gotcha.

RT is free with an optional donation. It's just a 10sec wait if you don't pay it.
No crap, lol. Well that works!

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Re: The Derretta, 1994 base with some attitude.

Postby EPfiffner » Wed Jan 17, 2018 8:02 am

Rebuilding a rear axle on the kitchen table: true car guy, rock on!



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Re: RE: Re: The Derretta, 1994 base with some attitude.

Postby whiteretta » Fri Jan 19, 2018 6:44 pm

EPfiffner wrote:Rebuilding a rear axle on the kitchen table: true car guy, rock on!
I'll save the sanding and painting for outside though, haha.

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Re: The Derretta, 1994 base with some attitude.

Postby whiteretta » Sat Jan 20, 2018 5:42 pm

More good progress today! Most of the surface rust is removed from the new rear axle. The internal sway bar is going to be the fun one though...

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Re: The Derretta, 1994 base with some attitude.

Postby whiteretta » Sun Jan 21, 2018 6:57 pm

I had a FUN project today. It appears that when I installed my euro headlights that I never really wired them properly after I test wired them. Good Lord that was a cluster. So many wire nuts, and no ryhme or reason for the wiring routing. It's all fixed now though! I just need to pick up some more zip ties and it'll be all good.

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Re: The Derretta, 1994 base with some attitude.

Postby whiteretta » Mon Jan 22, 2018 7:04 pm

So much heat shrink!

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