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Toymods » Tech & Conversions » 4A-GZE pistons, the TRUTH!

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Bill Sherwood
Forums Junkie


Location:
Brisbane / Gold Coast
Registered:
May 2002
Re: 4A-GZE pistons, the TRUTH! Sun, 20 June 2004 13:29 Go to previous messageGo to previous message
I normally wouldn't touch this, but WHAT THE HECK! Very Happy

Picking a forged piston requires almost zero metalurgical knowledge.
As mentioned above, if the piston looks forged then there's an extremely good chance that it is. That means that if the inside of the piston has no casting marks and has a smooth shape (one that has no tight-radius edges & is shaped so that a 'slug' can move in & out to form the inner section) then it's a very good chance that it's forged.
Take a gander at the inside of this one, a TRD/Mahle forged Formula Atlantic piston

http://www.billzilla.org/piston-1.jpg

See how it can only be formed by a 'slug' pushing up into the underside of the piston, thus giving it it's shape. There are no casting marks, and if any metal is taken up between the gudgeon pin and the inner part of the dome it has to be machined/,illed out.

Anyway, suffice to say You-Know-Who is showing his usual complete ignorance again.
I guess this explains all ...


http://board.performanceforums.com/forums/attachment.php?s=&postid=839185829

[Updated on: Sun, 20 June 2004 16:37]

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Read Message   4A-GZE pistons, the TRUTH! THE WITZLSun, 20 June 2004 02:39
Read Message   Re: 4A-GZE pistons, the TRUTH! THE WITZLSun, 20 June 2004 05:32
Read Message   Re: 4A-GZE pistons, the TRUTH! IRA11YSun, 20 June 2004 09:02
Read Message   Re: 4A-GZE pistons, the TRUTH! dravenSun, 20 June 2004 09:29
Read Message   Re: 4A-GZE pistons, the TRUTH! oldcorollasSun, 20 June 2004 10:27
Read Message   Re: 4A-GZE pistons, the TRUTH! IRA11YSun, 20 June 2004 10:36
Read Message   Re: 4A-GZE pistons, the TRUTH! YelloRollaSun, 20 June 2004 10:49
Read Message   Re: 4A-GZE pistons, the TRUTH! oldcorollasSun, 20 June 2004 11:36
Read Message   Re: 4A-GZE pistons, the TRUTH! oldcorollasSun, 20 June 2004 11:50
Read Message   Re: 4A-GZE pistons, the TRUTH! oldcorollasSun, 20 June 2004 11:53
Read Message   Re: 4A-GZE pistons, the TRUTH!  Bill SherwoodSun, 20 June 2004 13:29
Read Message   Re: 4A-GZE pistons, the TRUTH! oldcorollasSun, 20 June 2004 16:07
Read Message   Re: 4A-GZE pistons, the TRUTH! Brenton_TA23Mon, 21 June 2004 10:55
Read Message   Re: 4A-GZE pistons, the TRUTH! 4ageezaMon, 21 June 2004 11:19
Read Message   Re: 4A-GZE pistons, the TRUTH! oldcorollasMon, 21 June 2004 11:43
Read Message   Re: 4A-GZE pistons, the TRUTH! 4ageezaMon, 21 June 2004 14:24
Read Message   Re: 4A-GZE pistons, the TRUTH! feral4mr2Mon, 21 June 2004 21:12
Read Message   Re: 4A-GZE pistons, the TRUTH! YelloRollaTue, 22 June 2004 09:14
Read Message   Re: 4A-GZE pistons, the TRUTH! oldcorollasThu, 24 June 2004 11:34
Read Message   Re: 4A-GZE pistons, the TRUTH! oldcorollasThu, 24 June 2004 11:36
Read Message   Re: 4A-GZE pistons, the TRUTH! Bill SherwoodThu, 24 June 2004 20:31
Read Message   Re: 4A-GZE pistons, the TRUTH! IRA11YThu, 24 June 2004 21:51
Read Message   Re: 4A-GZE pistons, the TRUTH! CLGFri, 25 June 2004 01:15
Read Message   Re: 4A-GZE pistons, the TRUTH! oldcorollasFri, 25 June 2004 13:09
Read Message   Re: 4A-GZE pistons, the TRUTH! EMP-2TGSat, 26 June 2004 02:26
Read Message   Re: 4A-GZE pistons, the TRUTH! allencrThu, 24 June 2004 14:22
Read Message   Re: 4A-GZE pistons, the TRUTH! oldcorollasThu, 01 July 2004 06:17
Read Message   Re: 4A-GZE pistons, the TRUTH! oldcorollasThu, 01 July 2004 06:21
Read Message   Re: 4A-GZE pistons, the TRUTH! THE WITZLThu, 24 June 2004 23:14
Read Message   Re: 4A-GZE pistons, the TRUTH! kingmickFri, 25 June 2004 00:45
Read Message   Re: 4A-GZE pistons, the TRUTH! dravenSat, 26 June 2004 04:03
Read Message   Re: 4A-GZE pistons, the TRUTH! oldcorollasSat, 26 June 2004 08:39
Read Message   Re: 4A-GZE pistons, the TRUTH! oldcorollasSat, 26 June 2004 08:43
Read Message   170bhp vs smuggla? *rivmasta*Mon, 06 June 2005 08:28
Read Message   Re: 4A-GZE pistons, the TRUTH! EMP-2TGSat, 26 June 2004 16:00
Read Message   Re: 4A-GZE pistons, the TRUTH! Rod83Sat, 26 June 2004 18:23
Read Message   Re: 4A-GZE pistons, the TRUTH! YelloRollaSun, 27 June 2004 06:59
Read Message   Re: 4A-GZE pistons, the TRUTH! AllanSun, 27 June 2004 07:22
Read Message   Re: 4A-GZE pistons, the TRUTH! IRA11YSun, 27 June 2004 08:36
Read Message   Re: 4A-GZE pistons, the TRUTH! THE WITZLSun, 27 June 2004 12:12
Read Message   Re: 4A-GZE pistons, the TRUTH! EMP-2TGSun, 27 June 2004 13:43
Read Message   Re: 4A-GZE pistons, the TRUTH! LucidMon, 28 June 2004 10:10
Read Message   Re: 4A-GZE pistons, the TRUTH! GregaMon, 28 June 2004 09:35
Read Message   Re: 4A-GZE pistons, the TRUTH! ae95Mon, 28 June 2004 10:16
Read Message   Re: 4A-GZE pistons, the TRUTH! SeptemberSquallIndustriesMon, 28 June 2004 10:47
Read Message   Re: 4A-GZE pistons, the TRUTH! ae95Mon, 28 June 2004 11:02
Read Message   Re: 4A-GZE pistons, the TRUTH! oldcorollasThu, 01 July 2004 06:50
Read Message   Re: 4A-GZE pistons, the TRUTH! clubagreenieMon, 28 June 2004 12:32
Read Message   Re: 4A-GZE pistons, the TRUTH! mrshinMon, 28 June 2004 13:18
Read Message   Re: 4A-GZE pistons, the TRUTH! EMP-2TGMon, 28 June 2004 13:23
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