Author Topic: AAZ 1st oversize pistons?  (Read 4152 times)

November 09, 2011, 07:23:09 pm

TexRussky

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AAZ 1st oversize pistons?
« on: November 09, 2011, 07:23:09 pm »
Bentley says first over for AAZ pistons is 79.51 + .25mm. How can one go wrong following the holy Bentley writ? Please tell me these are available? Anyone?
91 Tornado Red EcoDiesel

Reply #1November 11, 2011, 10:36:21 am

vanbcguy

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Re: AAZ 1st oversize pistons?
« Reply #1 on: November 11, 2011, 10:36:21 am »
2.5mm would be a HUGE oversize...

First oversize is 0.5mm, and they are definitely available.  You can get them from Prothe (note that this is one of the few good quality parts he stocks)

http://www.hansautoparts.com/19AAZPistons5mm.aspx

Note that the rings they come with are perfectly suitable for lining the bottom of your trash barrel.  Get yourself some good ones elsewhere.
« Last Edit: November 11, 2011, 10:40:09 am by vanbcguy »
Bryn

1994 Jetta - AHU M-TDI - Jezebel Jetta
2004 Jetta Wagon - 1.8T - Blitzen

Reply #2November 14, 2011, 09:11:30 am

TexRussky

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Re: AAZ 1st oversize pistons?
« Reply #2 on: November 14, 2011, 09:11:30 am »
Bentley says first oversize is .25mm, second is .50 mm. The issue just seems to be availability. Please note, .25, not 2.5. I'd rather not support P R O T H E, but I appreciate the feedback. Does anyone know what brand they are? ARCO, perhaps?
91 Tornado Red EcoDiesel

Reply #3November 15, 2011, 10:02:32 am

vanbcguy

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Re: AAZ 1st oversize pistons?
« Reply #3 on: November 15, 2011, 10:02:32 am »
Oops, missed a decimal point... haha...
Bryn

1994 Jetta - AHU M-TDI - Jezebel Jetta
2004 Jetta Wagon - 1.8T - Blitzen

Reply #4November 16, 2011, 06:28:27 am

TexRussky

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Re: AAZ 1st oversize pistons?
« Reply #4 on: November 16, 2011, 06:28:27 am »
Oops, missed a decimal point... haha...

Used to happen to me all the time back in the days of slide rules. Still have mine.
91 Tornado Red EcoDiesel

Reply #5November 16, 2011, 01:43:44 pm

R.O.R-2.0

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Re: AAZ 1st oversize pistons?
« Reply #5 on: November 16, 2011, 01:43:44 pm »
Bentley says first oversize is .25mm, second is .50 mm. The issue just seems to be availability. Please note, .25, not 2.5. I'd rather not support P R O T H E, but I appreciate the feedback. Does anyone know what brand they are? ARCO, perhaps?

right way industrial.

they are an OEM supplier of pistons to ISUZU, and Ford Of Europe..

pistons are great for the price. rings are not.
92 Jetta GLI - Black, 1.6D w/ GT2056V turbo..
86 GTI - 4 Door, Med Twilight Gray, Tow Machine..
86 Audi Coupe GT - Tornado Red, All Stock.. WRECKED.
89 Toyota 4Runner - Dark Grey Metallic, LIFTED!

Turbo: exhaust gasses go into the turbocharger and spin it, witchcraft happens and you go faster.