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Brian_e
Samba Member
Joined: July 28, 2009
Posts: 3293
Location: Rapid City, SD
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 Posted: Fri Jan 17, 2020 9:15 am Post subject: Re: 94mm cylinder porosity? |
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I had two sets of Mahles about 4-5 years ago. Both had the AA logo ground off, and both sets had pistons that were WAY off in balance. Like 6 grams light on one. I haven't bothered with Mahle since.
AA pistons rarely need any balance work. 1 gram at most.
Unfortunately Mahle isn't what it used to be. Even though they are made in china, AA makes better pistons and cylinders.
Brian
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Onceler
Samba Member
Joined: May 28, 2010
Posts: 1647
Location: Indiana
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| Posted: Fri Jan 17, 2020 5:59 pm Post subject: Re: 94mm cylinder porosity? |
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| mark tucker wrote: |
position those spots up ward they wont hurt squat, just be sure to properly prep them first. ans yes cleaning is part of prepping. but be sure to look on the outer portion and use a good led light to make sure it isant gone all the way through....probably shouldent use on forced induction...( keep them out of the draft    )
but no they should not be that way....yes they can collect oil...no you dont want them to collect oil...thus position them upward or on side's depending where they are,but never down. |
The guy who did the balancing on my parts and builds engines said pretty much the same thing. But said it’s more a piece of mind thing.
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1972 Karmann Ghia |
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RWK
Samba Member
Joined: June 24, 2009
Posts: 1349
Location: S.W. MI
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| Posted: Fri Jan 17, 2020 6:41 pm Post subject: Re: 94mm cylinder porosity? |
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Looks like I got to trim some cyl. again? discount for repeat customers! 
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73 Type 181
63 Type 113
63 Type 261- 428 071
62 Type 241-378 025 178 530 |
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Onceler
Samba Member
Joined: May 28, 2010
Posts: 1647
Location: Indiana
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| Posted: Fri Jan 17, 2020 6:48 pm Post subject: Re: 94mm cylinder porosity? |
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| RWK wrote: |
| Looks like I got to trim some cyl. again? discount for repeat customers! |
Lol, you know it, should be just the 1 this time, ur setup costs might skyrocket, ha
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1972 Karmann Ghia |
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RWK
Samba Member
Joined: June 24, 2009
Posts: 1349
Location: S.W. MI
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| Posted: Fri Jan 17, 2020 7:06 pm Post subject: Re: 94mm cylinder porosity? |
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I'll take care of you!
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73 Type 181
63 Type 113
63 Type 261- 428 071
62 Type 241-378 025 178 530 |
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Onceler
Samba Member
Joined: May 28, 2010
Posts: 1647
Location: Indiana
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| Posted: Fri Jan 17, 2020 7:22 pm Post subject: Re: 94mm cylinder porosity? |
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Thanks RWK, just another cylinder I need you to cut and The cost is the cost, no worries. Gotta make sure guys like you don’t give up supporting us hobbyists.
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