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> 1971 Gold Metallic Project, The Turbo 1.7
Socalandy
post Jun 11 2013, 09:41 PM
Post #41


Its got to be Yellow!!!
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QUOTE(Trekkor @ Jun 11 2013, 08:25 PM) *

Video game holder/computer shelf for bored passenger.


KT


It's looks about the right size for my Atari 2600 (IMG:style_emoticons/default/laugh.gif)
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JRust
post Jun 11 2013, 10:34 PM
Post #42


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I'm thinking it is for the Porta potty (IMG:style_emoticons/default/confused24.gif) . You just take the top off & let it rip (IMG:style_emoticons/default/blink.gif)
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Trekkor
post Jun 11 2013, 11:09 PM
Post #43


I do things...
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QUOTE(McMark @ Jun 11 2013, 08:32 PM) *

QUOTE
I saw you cruise by this evening, BTW...

I looked for you but you were hiding, woulda stopped. (IMG:style_emoticons/default/hide.gif)



I was behind the car trailer pulling a the transmission from the LeMon...

(IMG:http://www.914world.com/bbs2/uploads_offsite/sphotos-a.xx.fbcdn.net-1413-1371013768.1.jpg)


https://www.facebook.com/pages/Team-Filthy-...151108818319783


KT
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McMark
post Jun 12 2013, 08:12 PM
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Well, 600 miles under my belt and no major issues to report. The laptop stand was PERFECT! I didn't have to do much tuning, but my CHT sensor took a dump and started reading all over the place, which caused the Warmup Enrichment to come in at random times. This would cause the engine to miss as it went rich for a millisecond. The TPS was also popping Accel Enrichment periodically, but I solved that by changing the TPS Lag Factor to 40 (was 50). This let the ECU ignore the periodic spikes that are occurring for whatever reason.

Overall I'm REALLY happy. I still have a little pinging when I try to go WOT, so I just kept throttle movement to 50%, which wasn't an issue because I just wanted to make sure 'normal driving' was working well. I'm only getting about 5psi of boost, but I'm pretty sure that's how I have the wastegate set. Boost comes on between 2500 and 3000 rpm (can't really test that without WOT runs). But in this 'normal driving' scenario there is pretty much boost whenever I want it.

Power feels a little higher than a 2056, and I suspect that once I can dial up the boost to 9psi or so, I should be in 2270 territory or beyond. Pretty good for a 1.7. Driving impressions are fantastic. Most of the 600 miles was between 70 and 80 mph and even at those speeds I could ease on the throttle to pass or climb hills. Under day-to-day driving conditions, I'm completely happy.

Hit stop and go traffic coming into Portland (and rain (IMG:style_emoticons/default/dry.gif)) and the engine didn't miss a beat.

Now to go hang out in Portland.
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ConeDodger
post Jun 12 2013, 08:15 PM
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QUOTE(McMark @ Jun 12 2013, 06:12 PM) *

Well, 600 miles under my belt and no major issues to report. The laptop stand was PERFECT! I didn't have to do much tuning, but my CHT sensor took a dump and started reading all over the place, which caused the Warmup Enrichment to come in at random times. This would cause the engine to miss as it went rich for a millisecond. The TPS was also popping Accel Enrichment periodically, but I solved that by changing the TPS Lag Factor to 40 (was 50). This let the ECU ignore the periodic spikes that are occurring for whatever reason.

Overall I'm REALLY happy. I still have a little pinging when I try to go WOT, so I just kept throttle movement to 50%, which wasn't an issue because I just wanted to make sure 'normal driving' was working well. I'm only getting about 5psi of boost, but I'm pretty sure that's how I have the wastegate set. Boost comes on between 2500 and 3000 rpm (can't really test that without WOT runs). But in this 'normal driving' scenario there is pretty much boost whenever I want it.

Power feels a little higher than a 2056, and I suspect that once I can dial up the boost to 9psi or so, I should be in 2270 territory or beyond. Pretty good for a 1.7. Driving impressions are fantastic. Most of the 600 miles was between 70 and 80 mph and even at those speeds I could ease on the throttle to pass or climb hills. Under day-to-day driving conditions, I'm completely happy.

Now to go hang out in Portland.


(IMG:style_emoticons/default/biggrin.gif) like!!!
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Trekkor
post Jun 12 2013, 08:18 PM
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Nicely done!!


KT
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Trekkor
post Jun 12 2013, 08:18 PM
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I would like a ride.


KT

This post has been edited by Trekkor: Jun 12 2013, 08:19 PM
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SirAndy
post Jun 12 2013, 08:42 PM
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QUOTE(McMark @ Jun 12 2013, 07:12 PM) *
Well, 600 miles under my belt and no major issues to report.

Well then, post some pics here that are not upside down ...
(IMG:style_emoticons/default/rolleyes.gif)
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ottox914
post Jun 12 2013, 09:11 PM
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The glory that once was.
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Congrats!

Pull some timing, or try colder plugs, and drop the hammer!

Will be interesting to see how it all works out for you.
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McMark
post Jun 17 2013, 11:37 PM
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Discovered the pinging issue that has so far been plaguing this installation. Turns out that the coils I'm using will discharge/spark as soon as they have charged up. So if you start charging them too early, they will fire early. So with one small change in one box, a huge problem has disappeared.

I only wish I had found this bit of info a week ago. Oh well. Now to convince myself that I shouldn't try to increase the boost. (IMG:style_emoticons/default/happy11.gif)
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messix
post Jun 17 2013, 11:41 PM
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turn it up!!!!

1.7 are dime a dozen.....
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SirAndy
post Jun 18 2013, 12:12 AM
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QUOTE(McMark @ Jun 17 2013, 10:37 PM) *
Now to convince myself that I shouldn't try to increase the boost. (IMG:style_emoticons/default/happy11.gif)

(IMG:style_emoticons/default/blowup.gif)
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montoya 73 2.0
post Jun 18 2013, 05:42 PM
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if it works better than when we were on the Saturday drive than I would seriously consider ordering one. PM me!
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aircooledtechguy
post Jun 18 2013, 08:10 PM
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Thats great to hear.

Now turn it up and let her rip! All in the name of science of course. . . (IMG:style_emoticons/default/happy11.gif)
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McMark
post Jun 18 2013, 10:53 PM
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QUOTE(montoya 73 2.0 @ Jun 18 2013, 04:42 PM) *

if it works better than when we were on the Saturday drive than I would seriously consider ordering one. PM me!

So far it has been great! Made a few changes tonight that I'll try out tomorrow. Smoothed the VE table slightly, pulled 0.2 ms off the coil charge time since I'm still getting a bit of pinging at WOT. Off now to research colder platinum plugs that might work.

I really really wish I had found this stuff out a week ago. (IMG:style_emoticons/default/mad.gif)

If I have time tomorrow, I'll turn up the boost as well. (IMG:style_emoticons/default/stirthepot.gif)
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Mike Bellis
post Jun 18 2013, 11:21 PM
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QUOTE(McMark @ Jun 18 2013, 09:53 PM) *

QUOTE(montoya 73 2.0 @ Jun 18 2013, 04:42 PM) *

if it works better than when we were on the Saturday drive than I would seriously consider ordering one. PM me!

So far it has been great! Made a few changes tonight that I'll try out tomorrow. Smoothed the VE table slightly, pulled 0.2 ms off the coil charge time since I'm still getting a bit of pinging at WOT. Off now to research colder platinum plugs that might work.

I really really wish I had found this stuff out a week ago. (IMG:style_emoticons/default/mad.gif)

If I have time tomorrow, I'll turn up the boost as well. (IMG:style_emoticons/default/stirthepot.gif)

You need some methanol injection... (IMG:style_emoticons/default/evilgrin.gif) No more ping...
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McMark
post Jun 20 2013, 02:51 PM
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Did a little testing this morning. Definitely getting boost as low as 1500 rpm. (IMG:style_emoticons/default/happy11.gif)
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biosurfer1
post Jun 20 2013, 03:27 PM
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These are all lies...shame on you Mark for making people believe they can turbo a 914! (IMG:style_emoticons/default/biggrin.gif)

I'm going to swing by the shop for a ride soon, plus I got a new toy to show off. (IMG:style_emoticons/default/beerchug.gif)
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McMark
post Jun 23 2013, 07:41 PM
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Cleared up another stupid mistake. I had been having a problem where every time the Acceleration Enrichment came in the engine would hesitate from being too rich. Finally dawned on me that if my running pulse width is 5.8ms, then adding another 3.75ms was WAY TOO MUCH! Duh! (IMG:style_emoticons/default/pinch.gif)

Dailed the AE back to reasonable numbers, starting with 0.5ms added at the lowest level. So much better!

I also pulled timing from the top end, at around 1degree per psi of boost. This helped reduce the pinging, but it's still there a bit. Need to reinstall my laptop stand and do some driving/tuning.

The 'bad' part of having a running car is that I don't want to do the little things that need fixing (CHT sensor, intake leak on DS, etc). (IMG:style_emoticons/default/driving.gif)
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monkeyboy
post Jun 24 2013, 06:38 PM
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Nice. Thanks for the rolling updates on this. I'd love to ride in it. I wanted to do something just like this for a while now.
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