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Toymods » Tech & Conversions » 4agze bottom Vs. 20V bottom

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oldcorollas
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Location:
Kita-Ku, Sapporo, Japan
Registered:
January 2003
 
Re: 4agze bottom Vs. 20V bottom Sun, 01 February 2004 14:57 Go to previous messageGo to previous message
the flycuts in the 4AGZE pistons are effectively a maximum depth, below the crown, of 4mm for the intakes, and about 3.5mm for the exhaust valve.

this is exactly the same for both the low and high compresison 4AGZE pistons, regardless of the dish depth.

someone else can check, but i think the 4AGZE piston comes up to roughly deck height.. so how far past the head surface do the valves protrude at max lift?? anyone want to check with a 20V head?

bottom ends balanced? as in the crank? or the rods and pistons??

fwiw, my 4K crank was well balance from factory (toyota does a good job with this), my pistons were within 1 gram (i made them 0.1gram), and rods were within 2 grams, total and end for end weight (again, made them to within 0.1gram) the TOSCO spec for racing 3K's was within 2grams...

if they did this on a 4K from the 70's, i imagine they do a slightly better job on all their more recent motors Wink

Cya, Stewart
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SubjectPosterDate
Read Message   4agze bottom Vs. 20V bottom ortahorSat, 31 January 2004 21:52
Read Message   Re: 4agze bottom Vs. 20V bottom justcallmefrankSat, 31 January 2004 22:43
Read Message   Re: 4agze bottom Vs. 20V bottom Steve-AE86Sat, 31 January 2004 22:44
Read Message   Re: 4agze bottom Vs. 20V bottom krayzieSun, 01 February 2004 02:57
Read Message   Re: 4agze bottom Vs. 20V bottom justcallmefrankSun, 01 February 2004 03:07
Read Message   Re: 4agze bottom Vs. 20V bottom jasonp1977Sun, 01 February 2004 07:10
Read Message   Re: 4agze bottom Vs. 20V bottom NecrosSun, 01 February 2004 14:11
Read Message   Re: 4agze bottom Vs. 20V bottom  oldcorollasSun, 01 February 2004 14:57
Read Message   Re: 4agze bottom Vs. 20V bottom no_tofu_speedSun, 01 February 2004 17:51
Read Message   Re: 4agze bottom Vs. 20V bottom BigWormMon, 02 February 2004 03:28
Read Message   Re: 4agze bottom Vs. 20V bottom adamb131Mon, 02 February 2004 04:47
Read Message   Re: 4agze bottom Vs. 20V bottom Rex_KelwayMon, 02 February 2004 07:50
Read Message   Re: 4agze bottom Vs. 20V bottom ortahorMon, 02 February 2004 11:55
Read Message   Re: 4agze bottom Vs. 20V bottom feral4mr2Mon, 02 February 2004 12:36
Read Message   Re: 4agze bottom Vs. 20V bottom Rex_KelwayMon, 02 February 2004 13:07
Read Message   Re: 4agze bottom Vs. 20V bottom shinybluesteelMon, 02 February 2004 13:46
Read Message   Re: 4agze bottom Vs. 20V bottom JohnnyTue, 03 February 2004 01:52
Read Message   Re: 4agze bottom Vs. 20V bottom 20vsxtoyTue, 03 February 2004 04:40
Read Message   Re: 4agze bottom Vs. 20V bottom JohnnyTue, 03 February 2004 07:04
Read Message   Re: 4agze bottom Vs. 20V bottom krayzieTue, 03 February 2004 08:45
Read Message   Re: 4agze bottom Vs. 20V bottom oldcorollasTue, 03 February 2004 10:24
Read Message   Re: 4agze bottom Vs. 20V bottom JohnnyWed, 04 February 2004 05:45
Read Message   Re: 4agze bottom Vs. 20V bottom krayzieTue, 03 February 2004 20:59
Read Message   Re: 4agze bottom Vs. 20V bottom wagonistWed, 04 February 2004 01:01
Read Message   Re: 4agze bottom Vs. 20V bottom ChaserJZX100Wed, 04 February 2004 01:54
Read Message   Re: 4agze bottom Vs. 20V bottom Purple_BeastyWed, 04 February 2004 06:01
Read Message   Re: 4agze bottom Vs. 20V bottom Brenton_TA23Wed, 04 February 2004 06:35
Read Message   Re: 4agze bottom Vs. 20V bottom IRA11YWed, 04 February 2004 08:23
Read Message   Re: 4agze bottom Vs. 20V bottom ChaserJZX100Wed, 04 February 2004 08:40
Read Message   Re: 4agze bottom Vs. 20V bottom ortahorWed, 04 February 2004 09:58
Read Message   Re: 4agze bottom Vs. 20V bottom IRA11YWed, 04 February 2004 10:04
Read Message   Re: 4agze bottom Vs. 20V bottom IRA11YWed, 04 February 2004 10:05
Read Message   Re: 4agze bottom Vs. 20V bottom IRA11YWed, 04 February 2004 10:08
Read Message   Re: 4agze bottom Vs. 20V bottom Rex_KelwayWed, 04 February 2004 11:27
Read Message   Re: 4agze bottom Vs. 20V bottom ortahorWed, 04 February 2004 17:25
Read Message   Re: 4agze bottom Vs. 20V bottom JayemWed, 04 February 2004 21:43
Read Message   Re: 4agze bottom Vs. 20V bottom SeadogSat, 07 February 2004 11:45
Read Message   Re: 4agze bottom Vs. 20V bottom JohnnySun, 08 February 2004 09:56
Read Message   Re: 4agze bottom Vs. 20V bottom IRA11YSun, 08 February 2004 10:40
Read Message   Re: 4agze bottom Vs. 20V bottom ae82rollaboySun, 22 February 2004 09:24
Read Message   Re: 4agze bottom Vs. 20V bottom jasonp1977Mon, 23 February 2004 06:32
Read Message   Re: 4agze bottom Vs. 20V bottom neat 20valveMon, 23 February 2004 21:40
Read Message   Re: 4agze bottom Vs. 20V bottom JohnnyTue, 24 February 2004 00:29
Read Message   Re: 4agze bottom Vs. 20V bottom frankyThu, 03 June 2004 15:17
Read Message   Re: 4agze bottom Vs. 20V bottom Steve-AE86Fri, 04 June 2004 07:44
Read Message   Re: 4agze bottom Vs. 20V bottom frankyFri, 04 June 2004 08:49
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