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mlomker
07-15-2010, 01:27 PM
AMS Spec JE pistons will be at DB tomorrow, just got word from AMS

I assume these are different than the ones on their website, since you said that these were coated. Were they more than Buschur's version?

http://tinyurl.com/27pg2nn

Murlo26
07-15-2010, 01:57 PM
They were more money yea...but its AMS, to be expected.

AMS said they have tested them up to 800whp on the X and they have used them on 1000whp+ builds on the 8/9. The AMS spec ones simply handle more power.

Not sure the exact differences, but here is some bullet points from the AMS website about the ones i got:

* Specially designed quench area that improves power and reduces the chance of detonation
* Annular pin hole grooves with double forced oil holes to prevent pinhole galling
* Taper lands to prevent scuffing
* Extra thick lands for superior ring groove support under extreme pressure
* 4340 taper bore, hard-chromed extra heavy duty pins for high strength and low weight


Taken from the AMS spec ones from the IX, should be the same features though.

311evo
07-15-2010, 02:14 PM
Most aftermarket pistons will hold plenty of power, but detonation will kill anything.

Murlo26
07-15-2010, 02:16 PM
Most aftermarket pistons will hold plenty of power, but detonation will kill anything.

True...but the AMS ones were in stock ready to go...I just want a car to drive while there is summer left!

mlomker
07-15-2010, 02:50 PM
Dave is so balla' ;)

Murlo26
07-15-2010, 02:53 PM
Dave is so balla' ;)

Hell ya! Got an oil cap and a pc'ed valve cover and all now...also an SSP coil cover too :)

311evo
07-15-2010, 03:10 PM
Haha, anything by AMS though is usually the highest of quality though. I would have done the same thing, I feel your hurt (of missing a fast vehicle).

Should have stayed with the manley's. Then DB could have got mine done while you were waiting. :P LOL jk.

mlomker
07-15-2010, 04:02 PM
Hmm.


Put this into your 5268 (or 5269) xml:

<table name="30psi ASCOFF, SSTOFF Test Fix 0x00E9 -> 0x0100" category="Misc" address="53b0a" type="1D" scaling="Hex16"/>

Make sure it matches 0x00E9, then change it to 0x0100.

Flash/done/test

Kracka
07-15-2010, 04:03 PM
I haven't read up on this fix yet. What exactly is it attempting to correct?

mlomker
07-15-2010, 04:12 PM
I haven't read up on this fix yet. What exactly is it attempting to correct?

When you go over 30psi you'll get a whole lot of lights on your dash along with the 'ASC off' indicator. Your fancy drivetrain features will remain disabled until you shut the car off.

On a hot E85 tune this will get disabled on every drive (like for Dave). What's interesting is that this turned out to be the same fix for MR owners as well. The ECU would stop sending data to the tranny secondary ECUs and that'd cause them to go into limp mode.

The assumption is that this is a safety feature but obviously it was based on the power output capability of the stock turbo at that psi, anyway...