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vettestr 11-09-2010 08:11 AM

old school diagnostics
 
1 Attachment(s)
I got a great buy on a Sun Engine Performance Analyzer. She is an old school scope with HC /CO gas analyzer, timing light etc... model 1115. Now I can dial in air fuel ratios while watching individual cylinders on the display. This bad boy was as good as it got back in the day and still allows you to tweak away on non computer controlled engines.

Excaliber 11-09-2010 08:39 AM

Eh eh, thats pretty cool, wouldn't mind having one myself.

Danr55 11-09-2010 09:32 AM

OK, so when can I bring the snake over and have you set up the ignition on your new shiny toy? Don't you need practice?

vettestr 11-09-2010 11:29 AM

Sure I need the practice.
I have been reading the manual to shake of the rust from my memory. All the little tricks and test functions are coming back to me slowly. Still beats the heck out of just an error code.

Danr55 11-09-2010 04:38 PM

So when is that?

SP01715 11-09-2010 05:21 PM

Quote:

Originally Posted by vettestr (Post 1088606)
Sure I need the practice.
I have been reading the manual to shake of the rust from my memory. All the little tricks and test functions are coming back to me slowly. Still beats the heck out of just an error code.

Take you car to a dealer without an error code and they tell you nothing is wrong with it, even if it's obvious there is. It seems old school diagnostics is a thing of the past. Cool toy...

Finallygotit 11-09-2010 06:09 PM

I could have some fun with that!

vettestr 11-10-2010 09:48 AM

Quote:

Originally Posted by Danr55 (Post 1088685)
So when is that?

Hey Dan,
I spent a day doing some basic maintenance on my new toy. I removed all the panel covers and cleaned 30 something years of dust and critters from inside. I replaced all the sample lines and tubing, cleaned the optics and then a zero/span reference for each control. I am waiting on two canisters of calibration gas that should be here in a couple of days before I can bless the accuracy of everything.

I did find a bad or leaking plug wire on Cathy's Blazer that I'm using as a test mule. That kinda surprised me as it was running great or I thought it was. Let me build up confidence of my own abilities and then we can attack your Hot Rod.

SteveV 11-10-2010 09:51 AM

If you want to practice on my T-bird....just say the word. Im sure it could benefit from your analysis.

Steve

Danr55 11-10-2010 10:05 AM

Sounds great Jeff. Let me know when you're ready.

Excaliber 11-10-2010 10:17 AM

I want an old school distributor machine as well. So I can check the advance curve, add or subtract weights and get it dialed in! :)

Oh, and the fuel/air readout? Killer! Thats a great toy all right.

NFLDMNBB 11-10-2010 12:25 PM

Very nice! I used the same one in Voc. Auto back in (should I say it) 74! It worked very well for charging condensers and tossing them to my classmates. You should be able to dial in real nice with that. Nice score!

Roger

vettestr 11-10-2010 02:12 PM

I will let all know when everything ready to go. Have had plenty of folks willing to let me use their cars to practice on! ;);)

Ernie, The old distributor machines are pretty rare. Folks who have them hang on pretty tight or ask way more than I am willing to give.

It is more time consuming for sure but a good timing light with the advance display feature makes mapping your curve pretty basic. The stop bushing in the MSD distributors and a handful of springs makes the do it yourself curve very possible.

Maricopa 11-10-2010 03:46 PM

Jeff I need to schedule some time with you too (no freebies either!). Ol 4888 is a runnin' poorly to say the least.


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