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Toymods Social Secretary
Location:
Sydney
Registered:
July 2002
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4A-GZE - all the differences, similarities, and specifications in AFM and MAP sensor types LISTED!!
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Sat, 27 August 2005 03:36
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Well there have ALWAYS been questions of what the differences are with the 4agze engines, and what has what... so here is a list of all the things I have learnt and remembered..
The Witzl's List of 4A-GZE Technical Stuff
The 4A-GZE came out in the following Toyotas...
# AW11 MR-2 supercharger. Bigport AFM type, with distributor ignition
# <5/89, AE92 Corolla Levin GT-Z. Bigport AFM type, with DLI igntion
# >5/89, AE93 Corolla Levin GT-Z. Smallport MAP sensor type, with DLI ignition
# AE101 Corolla Levin GT-Z. Smallport MAP sensor type, with DLI ignition
Now here are some of the differences of each type, ignoring the commonly known bigport vs smallport 4ag stuff.... like big end sizes etc etc...
Differences in AFM type 4A-GZE
# AW11 uses a dissy ignition system, and 7-rib block, no oil squirters
# AE92 uses DLI ignition (wasted spark with crank angle sensor and twin coil packs), also has 7-rib block
Differences in MAP sensor type 4A-GZE
# AE93 has slightly stronger rods, same as used in 100kW 4age from Aus delivered SX/GTi corollas
# AE101 has slightly weaker rods, same as used in the silvertop 20V 4age
# AE93 crank is same as 100kW 4A-GE, and AE101 crank is same as silvertop 20V. It is unknown if there are any differences AE93 vs AE101, but they have different part numbers.
# AE101 ECU has serial data (so can use scan tool), AE92 does not
# Pinouts on the AE92 and AE101 ECUs vary slightly
# AE92 has a claimed 120kW factory power, and AE101 has 126kW claimed power - the only real difference here is the twin exhaust on the AE101
Differences in MAP vs AFM and other notes
# MAP sensor engines have a smaller supercharger pulley, giving more boost from factory
# The AE92 and AE101 MAP sensor 4agze engines have piston oil squirters.
# AFM has 8.0:1 compression pistons, and the MAP sensor versions have 8.9:1 compression pistons. All 4agze pistons are ceramic coated and show characteristics of being forged (click here)
# all 4agze engines have the same internal engine componets as equivalent 4A-GE engine from the same age/car - except pistons..... AE101 gze has same crank and rods as 20V, but heads are different of course. AE92 smallport has same head, cams, crank, rods, block, etc etc.
Then there is the gearboxes from each car....
# AW11 - use an E51, with the linkages facing forwards
# AE92/92 - use an E58. Quite rare to get an LSD though, if you do, it will 90% likely be a MAP sensor version.
# AE101 - use E58, and LSDs are far more common.
# E58-474 -> open centre
# E58-11C -> LSD
# E58-XX* -> where XX are two numbers, if * is odd, you have LSD.
# E58 LSD and NON-LSD CV shafts are non-interchangeable.
# E51 LSD and NON-LSD CV shafts ARE interchangable.
[Updated on: Sat, 27 August 2005 09:37]
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Location:
Perth
Registered:
May 2004
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Re: 4A-GZE - all the differences, similarities, and specifications in AFM and MAP sensor types LISTE
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Sat, 27 August 2005 05:45
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Hi, the aw11 ze also has the 7-rib block, and uses a E-51 transmission, with the linkage section facing the front.
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Toymods Social Secretary
Location:
Sydney
Registered:
July 2002
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Re: 4A-GZE - all the differences, similarities, and specifications in AFM and MAP sensor types LISTE
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Sat, 27 August 2005 06:13
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thanks  i'll update!
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Location:
Toronto, Downtown
Registered:
September 2004
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Re: 4A-GZE - all the differences, similarities, and specifications in AFM and MAP sensor types LISTE
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Sat, 27 August 2005 06:49
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the non lsd aw11 mr2 e51 driveshafts will fit the lsd e51 gearbox
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Toymods Social Secretary
Location:
Sydney
Registered:
July 2002
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Re: 4A-GZE - all the differences, similarities, and specifications in AFM and MAP sensor types LISTE
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Sat, 27 August 2005 07:14
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ah ok - so there was an LSD version of the E51 in the AW11 - cool
got a proper code for them both??
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Location:
Toronto, Downtown
Registered:
September 2004
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Re: 4A-GZE - all the differences, similarities, and specifications in AFM and MAP sensor types LISTE
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Sat, 27 August 2005 07:27
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nahh wish i did might be able to get some codes if they are stamped on the boxes when i get my car back from the mechanic
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Location:
Perth, WA
Registered:
February 2003
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Re: 4A-GZE - all the differences, similarities, and specifications in AFM and MAP sensor types LISTE
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Sat, 27 August 2005 08:12
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Are you sure all 7 rib blocks have the oil squirters? I have read elsewhere (e.g. Phil Bradshaw's page) that the early bigport AFM 4AGZE's didn't have them.
Cheers
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Location:
Victoria
Registered:
May 2002
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Re: 4A-GZE - all the differences, similarities, and specifications in AFM and MAP sensor types LISTE
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Sat, 27 August 2005 08:23
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| optionUP wrote on Sat, 27 August 2005 18:12 |
Are you sure all 7 rib blocks have the oil squirters? I have read elsewhere (e.g. Phil Bradshaw's page) that the early bigport AFM 4AGZE's didn't have them.
Cheers
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this is true, my MR2 is oil squirterless
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Toymods Social Secretary
Location:
Sydney
Registered:
July 2002
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Re: 4A-GZE - all the differences, similarities, and specifications in AFM and MAP sensor types LISTE
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Sat, 27 August 2005 09:29
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so does anyone know if the AE92 AFM type has piston oil squirters??
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Location:
Brisbane
Registered:
February 2003
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Re: 4A-GZE - all the differences, similarities, and specifications in AFM and MAP sensor types LISTE
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Sat, 27 August 2005 22:29
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Is there anyway to tell without disassembling the bastard? Cause I have one.
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Location:
Bundaberg, Qld.
Registered:
May 2002
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Re: 4A-GZE - all the differences, similarities, and specifications in AFM and MAP sensor types LISTE
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Sun, 28 August 2005 10:17
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| THE WITZL wrote on Sat, 27 August 2005 19:29 |
so does anyone know if the AE92 AFM type has piston oil squirters??
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i beleive it's only the smallport gze's that have the oil squirters Karl, as mentioned on here.
http://www.users.bigpond.com/vidore/toyota_4age_en gine.htm
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Toymods Social Secretary
Location:
Sydney
Registered:
July 2002
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Re: 4A-GZE - all the differences, similarities, and specifications in AFM and MAP sensor types LISTE
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Mon, 29 August 2005 06:04
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Thank you kindly
List is getting quite populated now
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