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Accelerating From engines to gearboxes--tuning the parts that make your car go.

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  #241  
Old 04-17-2012, 04:22 PM
Nitrominis Nitrominis is offline
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I like that!
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  #242  
Old 04-19-2012, 07:14 PM
D!CKS GARAGE R 53 D!CKS GARAGE R 53 is offline
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Lookin good Mark, glad to help.
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  #243  
Old 04-20-2012, 12:45 PM
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Thanks Rick, I do apreciate the help with the tuning, I'm sure I would have eventually gotten it but you really helped speed not only the tuning process along but my learning process as well and I really wanted it done for MOTD.
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  #244  
Old 08-21-2012, 12:42 PM
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I'm bored and in a posting mood, to date +20,000 miles on the Sprintex, 15,000 on the 70mm pulley, 5000 on the 64mm pulley.
I'm seeing peak boost of 18.5 and consistant boost of 17.7 with the 64mm pulley, so....me being me....60mm pulley goes on next week along with a ACG from thumper.

Still no problems, I just want more.
(isn't that what it's all about anyway. )
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  #245  
Old 08-25-2012, 07:09 PM
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On the way home from work today.....

Voila......

Click the image to open in full size.
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Last edited by BlwnAway; 08-25-2012 at 09:10 PM..
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  #246  
Old 08-26-2012, 12:19 AM
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haha thats crazy
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  #247  
Old 08-26-2012, 09:38 AM
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HaaHaa, sort of is.

The cars lost a little compression and power overall, due to just normal wear, but still runs pretty strong, I still only use 1qt of oil between 5 to 6k oil changes and It's still very sound, hell still sound enough that I'm still making changes and improvements. It's a real testament to how good these little motors are. I plan on rebuilding eventually but while it's still running good, why? Not to mention I probably will go a little crazy with the rebuild, so it doesn't hurt to prolong it as long as possible just to save a little extra cash.

here's a little anniversary video of what it's like now, real world:

http://www.youtube.com/watch?v=oULcDukzGL8&feature=plcp

(gauges are: Boost, Volts, Fuel psi)

I'm still doing the Adjusted Cam Gear and 60mm pulley this w/e, plus if all goes well, a little something extra next month. The way I look at it now is, everything I'm doing now makes for great testing for the rebuild when it does happen.

If nothing else it could help people in making a decision as to mod a motor with a few miles on it.
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  #248  
Old 08-28-2012, 05:08 PM
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Well, first mod after the 200k mark, Thmpr's Adjusted Cam Gear:
Since I was doing both the ACG & the 60mm, I thought why not get an individual comparison to go along with the combined effect.... So here it is, these are my results, the only change is the ACG, all the conditions were as close as I could get them, this is with a STOCK cam.
OEM Gear
ACG
(bottom graph is boost only, wanted to show, that's not where the power came from)

Click the image to open in full size.

I'm plenty happy.
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Last edited by BlwnAway; 10-13-2012 at 11:44 AM..
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  #249  
Old 08-28-2012, 10:03 PM
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Yikes... looking good at 200K and still picked up torque AND HP with the OEM cam!! rocking..

Just me...................

Thumper
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  #250  
Old 08-29-2012, 05:33 AM
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Thanks, I really like it, the extra torque is where the fun is, I went from being able to hear & feel the tires spin in the top of 1st gear, to actually being able to smell them..... It's good to still be able to make improvements (and to feel the results)
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Last edited by BlwnAway; 08-29-2012 at 08:34 AM..
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  #251  
Old 08-30-2012, 09:18 AM
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After a couple of days of living with it:

Between the extra low end of the Sprintex and now the added torque of the ACG the car is a completely different animal.

I can't say enough about the ACG, esp. for me, I just got lucky and got "one of those" ECU's that doesn't like cams, so I had no choice but to stick with the OEM, but now it's the same or better than either of the cam's I tried, simply because the power comes on sooner, as the graph above tells you I got a peak difference of 7 ft/lb's, but if you look at it closely you'll see that early on it was more like a 9 to 10 ft/lb gain, and neither of my cams turned on near that early. As the guy who designed it say's "It Just Rocks!", not to mention it's a pretty simple mod.

I just wish I could use both, a Cam & the ACG, and according to Byteronic guys, with the last update in software, I could now work around my ecu issues, but I'm just a little hesitant to try, not because I don't think it could be done, but because of the fact that the cam cap bolts, on this "aluminum" head have already been torqued a total of 6 times, with all of my experimenting, and I'm just not comfortable enough with having to worry about stressing those threads "too much" and finding out it was one too many times....not to mention I sold both my cams. But the extra top end power of a good cam & the addtnl. low end torque of the ACG would be a great combo, who knows?
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Last edited by BlwnAway; 10-13-2012 at 12:23 PM..
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  #252  
Old 10-12-2012, 09:35 AM
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Finished up my 60mm tuning a few days ago, cars real strong, gonna be a few weeks till I get it on the dyno again though, working on another project that I want to have done before I spend the money, at $100.00 a pop, I want to take full advantage of my pulls.

I can tell you that I'm seeing constant boost levels of just over 19lbs from 5200 & up.

And for those who didn't know, from now on, everything non-Sprintex related, I'll be posting up in my new garage thread:

http://www.motoringunderground.com/f...ad.php?t=23625
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