 what 4age is it? |
 Jul 18, 2006 - 2:56 PM
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 Enthusiast  Joined Aug 23, '05 From Princeton, Minnesota Currently Offline Reputation: 7 (100%)  |
I went to my local import yard and asked if he had any 4age's and he said the only thing he had was a 4agelc.... Anyone know what this is from or anything else about it?
Oh yeah and i also found a red-top 4age around here for sale and was wondering the same thing about it. All the ad says is "Toyota 4age Redtop engine and C52 Trans Complete Swap" This post has been edited by Celiracer18: Jul 18, 2006 - 3:19 PM -------------------- -Brian
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Jul 19, 2006 - 11:37 PM
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 Enthusiast Joined Jun 16, '06 From Plantation, FL Currently Offline Reputation: 0 (0%) |
And all of those can bolt directly onto a 7afe to make it a 7age?
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Jul 20, 2006 - 12:10 AM
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 Enthusiast Joined Dec 27, '03 From Nor Cal Currently Offline Reputation: 0 (0%) |
QUOTE(WH95TE @ Jul 20, 2006 - 4:37 AM) [snapback]458409[/snapback] And all of those can bolt directly onto a 7afe to make it a 7age? yes... if you're ok with having 7 something compression and 40hp... It's not an intake where you can simply bolt-on and go. There's wiring to be done... pistons to be changed... let's just go all out and call it a rebuild. -------------------- "It's ok to be naked girl... I'm an artist!"
1995 AT200 Celica ST: stocked out daily driver... 1984 AE86 Corolla GT-SR5: silvertop 20V 4AGE project car jacked up with goodies... 1991 SW2x MR2 n/a: bare bones hardtop model soon to be... |
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Jul 20, 2006 - 1:15 AM
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Enthusiast Joined Apr 15, '06 From Plano, Tx Currently Offline Reputation: 0 (0%) |
QUOTE(Kwanza26 @ Jul 20, 2006 - 12:10 AM) [snapback]458433[/snapback] QUOTE(WH95TE @ Jul 20, 2006 - 4:37 AM) [snapback]458409[/snapback] And all of those can bolt directly onto a 7afe to make it a 7age? yes... if you're ok with having 7 something compression and 40hp... It's not an intake where you can simply bolt-on and go. There's wiring to be done... pistons to be changed... let's just go all out and call it a rebuild. actually. if i remember correctly, bluetop head mated to the 7afe yields ~10:1 compression ratio. but if you really want to build a good motor you might as well match the 4age head by using 4age pistons and get some higher compression This post has been edited by Rexasaurus: Jul 20, 2006 - 1:16 AM -------------------- 1985 Toyota Corolla GT-S AE86
-Largeport 4AGE 9.4:1 CR -264* Cams -TRD 4-2-1 Header -PR 8kg/mm front coilover/KYB AGX shock -TRD 6kg/mm rear spring/TRD 8-way adjust shock |
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Jul 20, 2006 - 8:01 AM
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Enthusiast Joined Dec 27, '03 From Nor Cal Currently Offline Reputation: 0 (0%) |
QUOTE(Rexasaurus @ Jul 20, 2006 - 6:15 AM) [snapback]458461[/snapback] actually. if i remember correctly, bluetop head mated to the 7afe yields ~10:1 compression ratio. but if you really want to build a good motor you might as well match the 4age head by using 4age pistons and get some higher compression You remember incorrectly. The 7AFE's stock pistons are dished and yield only 9:5 compression on the narrower, smaller 7AFE combustion chamber... the stock bigport pistons are flat and yield 9:4 compression... so if you put a head designed to make 9:4 compression with flat pistons with pistons that are dished... you make significantly less compression. Easy way to see it... the 7AFE has a much smaller compression surface on the head, so the dishes in the pistons serve also as partial combustion chambers. The 4AGE does this entirely on the head, leaving the pistons flate... so if you put the 4AG head on the 7AFE pistons... you get really low compression... cheddar? -------------------- "It's ok to be naked girl... I'm an artist!"
1995 AT200 Celica ST: stocked out daily driver... 1984 AE86 Corolla GT-SR5: silvertop 20V 4AGE project car jacked up with goodies... 1991 SW2x MR2 n/a: bare bones hardtop model soon to be... |
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Jul 20, 2006 - 4:55 PM
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Enthusiast Joined Apr 15, '06 From Plano, Tx Currently Offline Reputation: 0 (0%) |
QUOTE(Kwanza26 @ Jul 20, 2006 - 8:01 AM) [snapback]458516[/snapback] QUOTE(Rexasaurus @ Jul 20, 2006 - 6:15 AM) [snapback]458461[/snapback] actually. if i remember correctly, bluetop head mated to the 7afe yields ~10:1 compression ratio. but if you really want to build a good motor you might as well match the 4age head by using 4age pistons and get some higher compression You remember incorrectly. The 7AFE's stock pistons are dished and yield only 9:5 compression on the narrower, smaller 7AFE combustion chamber... the stock bigport pistons are flat and yield 9:4 compression... so if you put a head designed to make 9:4 compression with flat pistons with pistons that are dished... you make significantly less compression. Easy way to see it... the 7AFE has a much smaller compression surface on the head, so the dishes in the pistons serve also as partial combustion chambers. The 4AGE does this entirely on the head, leaving the pistons flate... so if you put the 4AG head on the 7AFE pistons... you get really low compression... cheddar? according to tech reference on club4ag, it says "All else being done, the engine should have 1800cc and compression ratio of between 9.8 and 11 depending on which piston and 4A-GE head you used." oh, and to add, i've ridden in several 7age powered ae86's, using totally stock 7afe bottom, with a largeport 4age head, didnt seem like it had "7" compression. i would also guess that the headgasket would play a role in that. dont know the stock thickness of the 7afe, but 4age has a 1.2mm stock gasket, and you can go all the way down to a .5mm, giving .7 more compression, then shave the head and get even more. This post has been edited by Rexasaurus: Jul 20, 2006 - 4:59 PM -------------------- 1985 Toyota Corolla GT-S AE86
-Largeport 4AGE 9.4:1 CR -264* Cams -TRD 4-2-1 Header -PR 8kg/mm front coilover/KYB AGX shock -TRD 6kg/mm rear spring/TRD 8-way adjust shock |
Posts in this topic
Celiracer18 what 4age is it? Jul 18, 2006 - 2:56 PM
tomazws 4agelc is an old old old old old engine from the 1... Jul 18, 2006 - 3:41 PM Celiracer18 so its not really worth swapping or anything? Jul 18, 2006 - 3:54 PM MaskedMan the 4AGELC is an early 4AGE low comp engine found ... Jul 18, 2006 - 3:54 PM netrata Go for the redtop 4age with c52 swap. But first f... Jul 18, 2006 - 4:23 PM MaskedMan oh i completely missed the part about the Red top ... Jul 18, 2006 - 4:28 PM Silver94CelicaOwner I have a 4AGELC in my MR2. It rocks in that car, ... Jul 19, 2006 - 2:07 AM WH95TE So how many 4AGE are there? Jul 19, 2006 - 2:44 AM
netrata QUOTE(WH95TE @ Jul 19, 2006 - 2:44 A... Jul 19, 2006 - 3:07 PM Rexasaurus QUOTE(netrata @ Jul 19, 2006 - 3:07 ... Jul 19, 2006 - 11:18 PM pure_dx i believe the bluetops never came with small ports... Jul 19, 2006 - 4:48 PM Kwanza26 QUOTE(Rexasaurus @ Jul 20, 2006 - 9... Jul 20, 2006 - 4:58 PM Kwanza26 there were a LOT of different variations, not to m... Jul 19, 2006 - 11:38 PM WH95TE Oh so theres A LOT more too it lol. I really need ... Jul 20, 2006 - 12:15 AM WH95TE So along with the head, what else do I need to mak... Jul 20, 2006 - 12:43 PM pure_dx $$$$ and lots of it, IHMO its ... Jul 20, 2006 - 4:34 PM |
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