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> 4agze Nearing completion, Street legal, & a few more vids/pics
post Jul 2, 2005 - 2:28 PM
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FAQdaWorld



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QUOTE(Kadett @ Jul 2, 2005 - 12:21 PM)
What kind of specs has it. Engine size, # Valves, output @ #### Rpm??
And whats the difference with a agze engine and a age engine?
[right][snapback]307589[/snapback][/right]



This is the ae101 4agze, its a dohc 16v, supercharged 4 banger. It's got 170 hp @ 6400 rpm, and around 170 ft/lb of torque (correct if wrong?)

The main difference between the 4age and the 4agze would be the supercharger, but also the 4agze has lower compression and stronger internals (better for more boost later).


I'll post more vids maybe tonight, or later in the week.

-FAQ


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post Jul 2, 2005 - 2:50 PM
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lagos



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i would consider going to a fmic as soon as u can. that top mount is just going to heatsoak to death where it is now without any type of hood scoop.


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post Jul 2, 2005 - 3:41 PM
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Kwanza26



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QUOTE(FAQdaWorld @ Jul 2, 2005 - 7:28 PM)
This is the ae101 4agze, its a dohc 16v, supercharged 4 banger. It's got 170 hp @ 6400 rpm, and around 170 ft/lb of torque (correct if wrong?)

The main difference between the 4age and the 4agze would be the supercharger, but also the 4agze has lower compression and stronger internals (better for more boost later).
[right][snapback]307628[/snapback][/right]

The torque rating is actually around 150 ft lbs...

Anyway, it's basically the same thing as the later model (42mm crank) 4AGE's except it has lower compression and a supercharger. The rods, crank, etc... are all essentially the same thing between the 42mm models, except for the 20V's...


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1995 AT200 Celica ST: stocked out daily driver...

1984 AE86 Corolla GT-SR5: silvertop 20V 4AGE project car jacked up with goodies...

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post Jul 2, 2005 - 4:13 PM
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OOBE

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Sounds nice...doesn't sound like a puny 1.6l! wink.gif


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QUOTE (SinisterSinner @ Dec 19, 2009 - 10:52 AM) *
I dont want to even think of turbos, they blow up way too often...
post Jul 3, 2005 - 12:52 AM
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Yeah, i'm going fmic like next week haha. Its just like that now so i can run it. I am gonna have the fmic welded in when i get some body work done on the car.

I really think the exhaust i have on there is pretty restrictive, i have it going from the dp to a reducer and then into a cat, and then into the greddy sp1 that i've always had. So eventually (after i pass smog) i'm gonna sell that stuff and get all new exhaust.

-FAQ


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post Jul 3, 2005 - 1:58 AM
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lagos



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yeah thats a good idea. the exhaust is a great upgrade for a turbo or super charged motor.


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post Jul 15, 2005 - 1:52 AM
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Ran the celica through emissions the other day, and failed. Seems I have a faulty o2 sensor, so i've ordered a new one (figures that the gze had to use a 4 wire o2 sensor which is the most expensive kind...). Hopefully I'll replace it and then pass emissions, if not then theres always the good ole rubbing alcohol trick wink.gif


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post Jul 15, 2005 - 2:16 AM
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i wish i could fail emmisions frown.gif ... i wish i had a running car...

Here's the new plan.
GET A STAND ALONE ECU. RUN ONLY THE BASIC COMPONENTS.

Anyone in the San Diego, Southern CAli region that can help me out, Please email me or pm or aim.

Thanks!

And please show some more vids and pics of that 4agze of yours.


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post Jul 22, 2005 - 4:51 PM
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FAQdaWorld



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Well, about 2 or three weeks later or whatever... but we passed!!!!


We used a variety of tricks, ran the engine real hard before going there, put some rubbing alcohol in the gas tank (dont worry i diluted it again immediately after i passed), and then i used the s-afc to lean out the fuel just a bit just in case, we didnt need it tho.


Passed emissions w/ flying colors,

I promised a video, sorry its not much, but i'll compile something nice soon smile.gif


Shorty


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post Jul 22, 2005 - 5:01 PM
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congrats FAQ! I know you have been waiting a long time to have her ready to hit the streets!


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QUOTE(lagos @ Jul 10, 2006 - 1:55 PM) [snapback]454118[/snapback]

i know your trying to do the right thing for your motor, but this is one of those times where you should just trust the guys who have had their swaps for a while and have done a ton of research into this.
post Jul 22, 2005 - 5:28 PM
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Congrats! I want to see some video of it on the streets. smile.gif


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post Jul 22, 2005 - 5:41 PM
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sadly, we are still pretty far off from there, needs to go to the body shop and get teh front end repaired / fmic setup. Need to have a hybrid axle made for the passenger side still (its kinda shoehorned in there now), and then we gotta pull the motor again and replace the clutch, because there is some kind of contaminant in there making it slip like a mother...., I figure will i have the motor out I'll go ahead and replace the crank pulley for some more boost. So it will be another month or so before we are totally done.


-FAQ


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post Jul 25, 2005 - 1:48 AM
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FAQdaWorld



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Added a video of the boost gauge doing its thing, and of the oil filter relocation we did today.


Dont worry, the engine does maintain boost when under a load, when at idle the ecu knows to let the boost go smile.gif

user posted image

user posted image

Boost gauge vid HERE

Enjoy folks smile.gif


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post Jul 25, 2005 - 8:41 AM
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celi_gt_racer



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MORE VIDS on the street... i cant wait... lol biggrin.gif


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post Jul 25, 2005 - 12:07 PM
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Yeah, I am desperate to see it on the street, haha. It's weird seeing the boost gauge go up in boost...I am not used to that sught. It's not the usual like a turbo that you have spool it up and then see the gauge break vacuum and start showing boost build-up, LOL. tongue.gif


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QUOTE (SinisterSinner @ Dec 19, 2009 - 10:52 AM) *
I dont want to even think of turbos, they blow up way too often...
post Jul 25, 2005 - 4:14 PM
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Thats whats great about sc'ers... boost ON DEMAND biggrin.gif


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post Jul 25, 2005 - 10:01 PM
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QUOTE(OOBE @ Jul 25, 2005 - 12:07 PM)
Yeah, I am desperate to see it on the street, haha. It's weird seeing the boost gauge go up in boost...I am not used to that sught. It's not the usual like a turbo that you have spool it up and then see the gauge break vacuum and start showing boost build-up, LOL. tongue.gif
[right][snapback]316581[/snapback][/right]


I agree with this. You are getting alot of boost in neutral with no load on the car. I usually get about 1-2psi. I wouldn't guess that a supercharger would be that much different from a turbo in that regard. Makes me wonder if something unusual isn't going on but I am not very knowledgable about this topic.


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QUOTE(lagos @ Jul 10, 2006 - 1:55 PM) [snapback]454118[/snapback]

i know your trying to do the right thing for your motor, but this is one of those times where you should just trust the guys who have had their swaps for a while and have done a ton of research into this.
post Jul 25, 2005 - 11:36 PM
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Jay, a 4A-GZE supercharger's boost is based strictly on RPM, since the supercharger is hooked to a belt that's hooked to the crank. The faster the crank spins, the faster the supercharger's internals go, producing more boost. wink.gif


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post Jul 25, 2005 - 11:49 PM
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QUOTE(Coomer @ Jul 25, 2005 - 11:36 PM)
Jay, a 4A-GZE supercharger's boost is based strictly on RPM, since the supercharger is hooked to a belt that's hooked to the crank. The faster the crank spins, the faster the supercharger's internals go, producing more boost. wink.gif
[right][snapback]316817[/snapback][/right]


The part that I don't understand is that a turbo requires engine LOAD to create boost in the positive boost system. You can rev the engine higher and make more exhaust gases but the boost at idle remains very low.

It doesn't really make sense to me why a turbo (which simply reroutes pressurized exhaust gases back into the intake) requires engine load to create positive manifold pressure while a supercharger (which pushes ambient air into the intake through a simple compressor spun by the crank) does not. I would appreciate further explanation.

Edit: Here is my guess: I think the extra exhaust gasses at higher RPM's with a turbo are miniscule at idle compared to the exhaust gasses that are created when the engine is under load. In that regard, the turbo isn't really "pushing" the air very fast because the exhaust gases are not as plentiful while in neutral as they are when faster and hotter combustion is required to move the car. On the other hand, the supercharger simply uses RPM's to pressurize the system. It really doesn't make a difference if the engine has more load or not since the compressor is driven by the crank rather than turbine of the turbo.

This post has been edited by jgreening: Jul 25, 2005 - 11:59 PM


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QUOTE(lagos @ Jul 10, 2006 - 1:55 PM) [snapback]454118[/snapback]

i know your trying to do the right thing for your motor, but this is one of those times where you should just trust the guys who have had their swaps for a while and have done a ton of research into this.
post Jul 26, 2005 - 12:01 AM
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FAQdaWorld



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my guess would be that you arent reving long enough to actually build that much boost? I dunno, i get fuzzy around there, an explanation would be great.


-FAQ


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