Ok, so this seems to be my only option for more power, gettinga 7age, and eventually getting a turbo. I've tried looking around Club 4AG and that place is just a mess and confusing. So with that said, i'd just like to know about this mod.

1. What are my options and what kind of results can I see with them?
2. What exactly would I need to do this?
3. And around how much would it cost?

The last question not being as important because I will probably head to a junkyard to see what I can find.


If there is a post with all this information, just point me to it. Thanks

This post has been edited by WH95TE: Jul 16, 2006 - 1:07 PM

Anybody? lol...

http://te51levin.superjamie.net/

look for 130-140ish hp

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1. What are my options and what kind of results can I see with them?
if you want power turbo will get you there the best a 7age n/a is good for is 200 horse or less
frotou has a 7agte but hasnt dynoed it yet i have a 312whp so far this winter it will under go a few more tweaks and changes in order to get the 350 + whp on pump 92 gas

2. What exactly would I need to do this?
check the link below

3. And around how much would it cost?
depends on what your power goal is and parts you use i bought all new execpt my cams were used but in really good condition also if you have the time and knowleage on my build i turned it over to the shop for the most part i did the research and some of the build but head work and boring they did and a few custom peices but labor alone on mine cost $5000 alone and parts where $8-$9000 . dont let that scare you i went all out you can build a 7age or 7agte in your garage which im doing right now on a budget


7AGE in a celica is different than a 7age in a corolla or mr2

mid tune on 92 pump gas 312whp and 306 torque fully built but on a mid size turbo i want a good all around turbo that would take to 6 grand to spool and put out 500whp i wanted good mid and high but not have bad low end
7agte

also http://te51levin.superjamie.net/ has alot of good info for the n/a 7age

So once I turbo I can look to have around 300hp or close to? My power goal for now is really just to break into the 200 range. Also, i;m not planning no doing this in my garage, cause well I dont have a garage(townhouse) My dad's friend has his own shop so i'm going to get him to do everything, while I assist and learn. Since he's a mechanic and has done work with engines before, do you think he would know what parts are needed just by showing him what I want to do?

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you have to remember im fully built stage 2 port and polish 272 cams etc

on a basic 7agte build doing pistons and slapping a head on i would guess 230whp +

i had to go through alot of trail and error making this set up 7agte is complex build and i dont know what kind of experence your friend has with import motors i switched head gaskets 2 times timing belts a few times to get the right set up plus alot of little things that i didnt write down on here that not many people know about the 7agte

Well right now hes working on an Eclipse and an 89 Supra. And 230whp+ is perfectly fine lol. Like I said, my current goal is to just break into the 200s

This post has been edited by WH95TE: Jul 19, 2006 - 4:39 AM

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well when i just put a turbo kit together and on my plain stock 7afe i got 170 whp and 180 whp on a really simple tune and a few parts check my 7afte how to

also doggy got a little over 200 on his 7afte with a bigger turbo

but whats the difference in terms of reliability between the 7AFTE and 7AGTE?

(i am also weighing my options and thinking of going with the 7AGTE)

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I think its the head design. The GE head can withstand the boost more because of the better airflow?

Anyways their both Toyota Engine.. they should be very reliable.. wait nvm.. turbo + reliable = $$$$

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The reason for a headswap has nothing to do with reliablilty... although you could argue the 4AG head being a performance oriented head can cause a slightly heavier driver's foot... which can hurt long-term reliability... but strictly speaking... the heads (4AGE vs 7AFE) are put together pretty much the same and work pretty much the same (mechanically).

The reason for the headswap... power curve. The 4AG head can potentially stretch the powerband deeper and longer through the revs, as opposed to the 7AFE which maximizes its possible output, even force-fed, pretty quick, but can generate more low-end grunt for this same reason. Its a matter of taste in the longrun, because the FE head can take boost well and does respond very well, especially with torque... but when racing... I mean really racing... you're not gonna be at 4000 rpms very much...

You can get better numbers out of the 4AGE heads compared to a 7AFTE though, right?

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depends on the boost and where in the rpm we're looking at.

Assuming both are of the same turbo configuration and boost... the 7AFTE will make more torque around 2500-4500 rpms... but not as much horsepower overall because of its inability to flow as the revs speed up. The 7AGTE won't make as much peak torque, but typically speaking, will peak deeper in the rpm band (4500 rpms +) than the 7AFTE and will make more power because it can flow more, deeper into the rpm band. All this does is make for different types of engines. Consider the 7AFTE a better suited engine for drag racing because of it's larger torque (which isn't actually that great for FWD cars... hehe)... and the 7AGTE would be a better engine for track racing because of its more efficient use of available power.

I see, so maybe i'll just turbo my 7afe then. People have gotten in the 200hp range with a 7afte right? That's really all I want.

i like the "efficient use of available power" thing. thanks

ive heard a lot of people blow their 7AFTE's and have a lot of problems with it. would the same type of problems occur with the 7AGTE? i just assumed GE heads could take the boost better.

This post has been edited by hurley97: Jul 20, 2006 - 12:55 AM

Thats what I thought Hurley.

People who blow up 7afte's usually are running junk setups. The only person who is an exception to this would be OOBE, who had pre-existing engine problems before he turbo'd, and wound up frying a piston or something like that.

99% of the time people have to go 'custom' because the 7AFE isn't really a popular tuning platform. The GT's 5SFE is different because a lot of 3sgte parts are interchangeable with it, so pretty much all the work is done for you from the get go.

You can turbo whatever you want, as long as you don't cut any corners. Expect to pay at least $1500 to get it running decent, and that won't include any tuning you need to do. If you're still hungry for power after you start boosting, do what Nik did and go all out with the hybrid, but don't expect it to be a cheap or quick solution.

As far as reliability goes - it's Toyota, the name is synomymous with reliability.

so the 7AFE can be turboed with stock internals ? , I mean STOCK. what would be the maximiun pressure we can put in it without issues ?

This post has been edited by Culpable04: Jul 20, 2006 - 2:39 PM

no more than 8psi is recommended, and even at 8, all precautions should be taken outside of the engine to prevent detonation. intercooler, proper tuning, colder plugs, retarded timing, all that jazz.

it's not really a performance engine, so force feeding it puts more stress on stuff.

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hence the reason for swapping in the more performance oriented GE heads. no?

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right. but for the average person who doesn't know how / have the money to do the head swap, slapping on a turbo will always be the easier alternative.

i know of like 4 people total who have a 7AG(T)E, but i know of dozens who have turbo'd a 7a. the 7afte is just an easier way to do things, doesn't involve any hardcore mechanical apttitude, and can be done in a weekend.

the general concensus on the boards is that 8-10psi is safe for the 7a, and can be achieved using stock internals. if you really want more out of the engine at that point, it's time for a head swap, or a 3sgte.

This post has been edited by sinner96ST: Jul 20, 2006 - 3:32 PM

yeah, thats why if im going to do it at all i'd save the money and do the head swap. im starting my research now so by the time i know what im doing i should have enough money for it first order of business was deciding to just turbo what ive got or go for the head swap, now that thats out of the way...

whats a safe psi range with the GE heads?

btw, WH95TE, i hope it doesnt seem like im hijacking or anything. im sure you could use all this info as well. have you decided which route your taking yet?

get ready to save a lot $$$$ then with the amount of money trying to build a 7agte, i could probaby have a 3sgte already, make that two 3sgte jk, but close enough

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Didn't I just say the head doesn't matter in terms of reliability? Hmm... well... let me say it again... the GE head and the FE head are essentially the same design so neither is stronger than the other. The head doesn't take much psi punishment per-say... cause the block will blow before the head. Like I told nik back when he first started... the weakness of the 7AGTE is the 7A's wimpy rods. That's your number one weak spot in terms of the engine (7AFTE or 7AGTE) being able to hold a lot of boost pressure (15+ psi). Second to that is a close tie between fuelling and the pistons.

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How much HP can be safely obtain from a 7AF T E taking all the proper precautions ( doing it the right way ) ?

FOUND THE ANSWER !!


This post has been edited by Culpable04: Jul 20, 2006 - 6:56 PM

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http://www.6gc.net/forums/index.php?showtopic=29071&hl=

doGGy dyno'd and tuned a 7afte, those are his results on stock internals. keep in mind that he put a lot of time & effort in to his setup, and actually got it tuned & working correctly.

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YEAH me and bee talked alot about the 7agte also thats why i bought pauter rods

Not hijacking at all hurley, all your questions are mine haha.

So, if I get the GE head id also have to get pistons and rods to run a good amount of psi when I turbo? How much would this cost and where would I go about buying them?

Also hurley, I havent completely decided where im headed with my 7a, theres a ton of options and im so confused.

engine swaps - Does any of this look good to buy? Seems to come with everything. Has a few 3SGTE's and 4AGE's

This post has been edited by WH95TE: Jul 20, 2006 - 11:16 PM

So for the turbo.. what would be a quick spooling with good power lets say 250whp.. me and my brother are getting ready to build up the kp61 for autox.

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yeah i was getting around to posting a topic like this of my own when i saw your post

good idea getting started early (i see your a fairly new member). i was going to leave my car pretty much stock, then i drove a turbo'd celica and im hooked

i wont get around to doing this for a looooong time but any info i find i'll post up, it'll be helpful for the both of us.

i would think its a good idea to buy an entire 4AGE and pick it apart and take what you need. or if you decide to just swap in the 4A you can do that too