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Cams for a stock 4age 16v


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Bubble_Drift
Takumi



Joined: 26 Nov 2005
Posts: 343
Location: Venray - Maastricht - The Netherlands

1987 Toyota Corolla AE86 (late EU)

PostPosted: Sat Jul 19, 2008 7:10 pm    Post subject: Cams for a stock 4age 16v Reply with quote

I'm looking for a set of cams to get some good HP gains from a stock 16v.
Something with a 8,5mm lift is the max. right?
What about duration on in and outlet?

Also post prices and where you can buy them. Thanks!

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robokill
Bunta



Joined: 07 Sep 2004
Posts: 2197
Location: Amsterdam // The Netherlands

1986 Toyota Corolla AE86 (late EU)

PostPosted: Sat Jul 19, 2008 7:13 pm    Post subject: Reply with quote

http://www.catcams.be/800x600/prod01Alist.htm?PN71051xx.js

Last type that is good for standard shims. Runs great I have em as well. Anything wilder and you have to do alot more to the engine.


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BOOMEX
Ryousuke



Joined: 31 Mar 2005
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PostPosted: Sat Jul 19, 2008 9:37 pm    Post subject: Reply with quote

If i remember correctly the Maximunm Duration for the ECU of the 4age is 272° with a potatose idle style
And the maximum lift it 8.00 milimeters.

I thinck 272 in and 264 ex or both 264 wtih 7.9mm lift cam be a realy good set up Wink


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robokill
Bunta



Joined: 07 Sep 2004
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Location: Amsterdam // The Netherlands

1986 Toyota Corolla AE86 (late EU)

PostPosted: Sat Jul 19, 2008 10:54 pm    Post subject: Reply with quote

BOOMEX wrote:
If i remember correctly the Maximunm Duration for the ECU of the 4age is 272° with a potatose idle style
And the maximum lift it 8.00 milimeters.

I thinck 272 in and 264 ex or both 264 wtih 7.9mm lift cam be a realy good set up Wink


Boomex, problem with long duration cams is that the max power is only been put up in RPM. Meaning you have to rev the engine more. Which is not so good for the engine.

I run the 8.5 and 9mm lift cams and it runs great. Billzilla even ran 9.5 on his car when he bought it on a stock head. So no worries.

If you have more lift you will gain more torgue. The way to tune a 4age is with high lift cams and duration below 288. (but with 288 or 282 you'll be running 11 or 12 mm lift.


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oldeskewltoy
Takumi



Joined: 29 Jan 2007
Posts: 270
Location: PDX, Oregon, USA

1987 Toyota Corolla AE86 (late US)

PostPosted: Tue Jul 22, 2008 8:26 pm    Post subject: Reply with quote

I've been doing a lot of research into cams, compression and ECU.

Bubble_Drift wrote:
I'm looking for a set of cams to get some good HP gains from a stock 16v.
Something with a 8,5mm lift is the max. right?
What about duration on in and outlet?

Also post prices and where you can buy them. Thanks!


based on what you wrote... the BEST catcams option will be the 7105136.

Why???

although you can get a 272 cam to idle on a stock ECU, the 272 cam makes its peak hp ABOVE 8000 rpm, the stock ecu cut is at 7500... so why run a cam that you CAN'T maximize the power for???????

Stock cams are either 232(high compression), or 240(TVIS) duration. each runs out of breath @6600 rpm. Shorter durations increase dynamic compression ratio, which helps to increase low end torque.

So what you want is a cam that will achieve peak power close to, but NOT over 7500 rpm, and yet still be of a small enough duration to not harm low end torque.

Catcams also shows different cams for each application. Running a "smaller" cam on the exhaust side can boost low end torque some... but the engine is usually limited to the smaller cams rpm limit (this is just informational... not a problem)


Oh... one more thing... using "advertised durations" is not a good thing.... if you look, you can find most cams show a 2nd duration number... the 7105136 cams show this 2nd duration number as 222/212. This is a FAAAR better duration to use when comparing.

Why??? The advertised duration of catcams exhaust cam is 238. Apparnetly smaller than a stock 240 cam. But in reality it isn't... the stock cam's 2nd duration number is 204... So although it appears the cat cam selection would not rev above 6600 because the exhaust cam is smaller.... in reality it is larger... and so will rev above 6600...


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Eircamae86
Takumi



Joined: 19 Apr 2005
Posts: 481
Location: EIRE


PostPosted: Tue Jul 22, 2008 9:20 pm    Post subject: Reply with quote

Also interested in "experience"...
looking for cams/pulleys for the Banpei Trueno, 16v Big-Port & hopefully on VEMS, want an all-round good cam with plenty on Torque, it will also be on 20v ITBs


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AE86_Z
Wataru



Joined: 20 Mar 2005
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1985 Toyota Corolla AE86 (early Levin)

PostPosted: Tue Jul 22, 2008 9:51 pm    Post subject: Reply with quote

I will have further information in two weeks. Wink

We will install some new parts into my cars engine:
HKS camshafts 272 8,1 intake and exhaust too
HKS valve spring set
HKS oil up kit
high comp 4AGE oil pump
TRD racing bearings

My engine setup currently (was built 6 month ago):
7rib block with 1st gen crankshaft-pistons-conn.rods
lightened flywheel, adj cam.gears
ported/polished bigport head
increased CR (11:0)
TRD header with 2,5" free flow exhaust
Map sensored factory ECU always running on 100+ octane

The engine is revving very hard above 5500rpm now, in my opinion it have about ~135-140hp on crank now.

http://www.youtube.com/watch?v=g19dS_bI1uU

I need at least 10 more hp Smile because my opponents have 200-350 hp.
I would like to reach a little more than 150 hp on crank, planning to final set up the engine on dyno.

Regards,
Z


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F0Bman
Takumi



Joined: 30 Mar 2008
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PostPosted: Tue Jul 29, 2008 5:07 am    Post subject: Reply with quote

You should check out the Toda Cam Dyno Plots from Sport Compact Car. They used the 272 Pair and found that retarding both cams helped making power.

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AE86_Z
Wataru



Joined: 20 Mar 2005
Posts: 59
Location: Hungary

1985 Toyota Corolla AE86 (early Levin)

PostPosted: Wed Aug 13, 2008 10:53 am    Post subject: Reply with quote

Hi all!

All the parts installed Smile

Conclusion:
HKS 272 8,1 camsahfts with factory ECU can't idle normally and the engine usable after 3000rpm. But the sound is really nice Smile
We tried to advance and retard both cams 5 degrees. The butt dyno said it was better on -5 -5. We have some problems with setting the ignition timing, bacause of the crappy idle.

On the other hand:
The engine pulls very strong above 6000 rpm. I think I have got at least 10 extra HP at topend. The 7800 limit is not enough. I'm sure about the engine can't reach the peakpower at 7800.

On friday we will go to dyno, and trying to finally tune the cams with factory ECU. I don't mind the shit idle and weak power under 5000 because it is racecar. But I can't advise these cams for streetable use with factory ECU.

I need to buy a stand alone or a piggyback ECU to reach all of the extra power what cams can do.

Also installed: the HKS oil up kit and new oilpump (hicomp 4AGE) for more oil pressure
"idle" 500-1000 - 2-3 bar
>2500 - 6-7 bar

Question:
I'm planning to buy a Greedy E-Manage Ultimate piggy back. This version of the E-manage can move the revlimiter but only if it's a fuelcut. Does anyone knows it's fuel or ignition cut in the 4AGE ecu?

Pics:
http://ae86.blog.hu/2008/08/09/nyaraltunk_1

You can see my 1st test on Youtube:


Link


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tolisspi
Takumi



Joined: 24 Jan 2008
Posts: 253
Location: Greece-Korinthos


PostPosted: Wed Aug 13, 2008 6:53 pm    Post subject: Reply with quote

AE86_Z wrote:
My engine setup currently (was built 6 month ago):
7rib block with 1st gen crankshaft-pistons-conn.rods
lightened flywheel, adj cam.gears
ported/polished bigport head
increased CR (11:0)
TRD header with 2,5" free flow exhaust
Map sensored factory ECU always running on 100+ octane

The engine is revving very hard above 5500rpm now, in my opinion it have about ~135-140hp on crank now.

Do you have a dyno about horsepower 135-140hp? I think that its a lot for that set up.


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tolisspi
Takumi



Joined: 24 Jan 2008
Posts: 253
Location: Greece-Korinthos


PostPosted: Wed Aug 13, 2008 7:06 pm    Post subject: Reply with quote

AE86_Z wrote:
Conclusion:
HKS 272 8,1 camsahfts with factory ECU can't idle normally and the engine usable after 3000rpm. But the sound is really nice Smile
We tried to advance and retard both cams 5 degrees. The butt dyno said it was better on -5 -5. We have some problems with setting the ignition timing, bacause of the crappy idle.

On the other hand:
The engine pulls very strong above 6000 rpm. I think I have got at least 10 extra HP at topend. The 7800 limit is not enough. I'm sure about the engine can't reach the peakpower at 7800.

On friday we will go to dyno, and trying to finally tune the cams with factory ECU. I don't mind the shit idle and weak power under 5000 because it is racecar. But I can't advise these cams for streetable use with factory ECU.

What do you think about 264 lift 8.1 or 264 lift 7,9? i have a bottom end of 4agze (smallport) and i want to use it like N/A. i ll change the pistons with the pistons of 100kw to increase the compression. The rest ll be stock (bigport head (tvis), ecu, oil pump ect). But i would like the car be streetable not race.


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AE86_Z
Wataru



Joined: 20 Mar 2005
Posts: 59
Location: Hungary

1985 Toyota Corolla AE86 (early Levin)

PostPosted: Wed Aug 13, 2008 8:20 pm    Post subject: Reply with quote

tolisspi wrote:

Do you have a dyno about horsepower 135-140hp? I think that its a lot for that set up.


I don't have any dyno result yet. But I think the 135-140 range not a lot for my previous setup Smile. Don't forget about the TRD 4-1 header, the tuned head, and the raised compression etc. The basic engine could do 124hp.

pls watch one of my older vids, I think it's more than 10 extra hp Wave

Link


If the dyno will measure less than 140 on friday I will burn my car Cool Wave


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AE86_Z
Wataru



Joined: 20 Mar 2005
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Location: Hungary

1985 Toyota Corolla AE86 (early Levin)

PostPosted: Wed Aug 13, 2008 8:28 pm    Post subject: Reply with quote

tolisspi wrote:
What do you think about 264 lift 8.1 or 264 lift 7,9? i have a bottom end of 4agze (smallport) and i want to use it like N/A. i ll change the pistons with the pistons of 100kw to increase the compression. The rest ll be stock (bigport head (tvis), ecu, oil pump ect). But i would like the car be streetable not race.


I think the best choice for a nearly stock engine is 264 8,1 /256 8,0 combination (If you want HKS cams).With this combo engine can reach peak power at ~6800.


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tolisspi
Takumi



Joined: 24 Jan 2008
Posts: 253
Location: Greece-Korinthos


PostPosted: Wed Aug 13, 2008 9:00 pm    Post subject: Reply with quote

I forgot to tell you that i have adjust cam gear TODA.
It isnt good in/ex with 264 8,1? Maybe i ll buy and a standalone ecu to have idle normally.
Thanks a lot ...


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AE86_Z
Wataru



Joined: 20 Mar 2005
Posts: 59
Location: Hungary

1985 Toyota Corolla AE86 (early Levin)

PostPosted: Wed Aug 13, 2008 9:27 pm    Post subject: Reply with quote

tolisspi wrote:
I forgot to tell you that i have adjust cam gear TODA.
It isnt good in/ex with 264 8,1? Maybe i ll buy and a standalone ecu to have idle normally.
Thanks a lot ...


If you have adjustable camshaft gears, you can tune the peak power, maybe 264/264 ok for you without any standalone. I think a greddy e-manage blue more than enough for that config.

But I advice you to tune the header/exhaust system and intake too, before you buy cams.

Regards,
Z


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tolisspi
Takumi



Joined: 24 Jan 2008
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PostPosted: Wed Aug 13, 2008 11:28 pm    Post subject: Reply with quote

I have OEM/genuine header/exhaust. I have the super flow HKS for intake.

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AE86_Z
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Joined: 20 Mar 2005
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PostPosted: Wed Aug 13, 2008 11:31 pm    Post subject: Reply with quote

The best and easiest power gain, if you can buy a really good 4-1 header with free flow exhaust system.

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BOOMEX
Ryousuke



Joined: 31 Mar 2005
Posts: 187
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PostPosted: Thu Aug 14, 2008 12:57 am    Post subject: Reply with quote

What do you thinck guys about this combo:
264 in ang 256 ex with 8.1 lift?

Thanck you.


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robokill
Bunta



Joined: 07 Sep 2004
Posts: 2197
Location: Amsterdam // The Netherlands

1986 Toyota Corolla AE86 (late EU)

PostPosted: Thu Aug 14, 2008 1:01 am    Post subject: Reply with quote

this is my engine running:

81.5 mm pistons
standard head gasket
worked ports and valves (also combustion chamber)
catcams last standard valve cam.

264 252 8.5 and 9mm lift

I am running 134.8 WHP and 150 NM

This is measured on the wheels. So anything is possible.


Viewed 107 Time(s)
my engine
my engine


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tolisspi
Takumi



Joined: 24 Jan 2008
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PostPosted: Thu Aug 14, 2008 8:17 am    Post subject: Reply with quote

I think the power is from the pistons 81.5 and the cams.
Good diagram without big and anormal curves


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AE86_Z
Wataru



Joined: 20 Mar 2005
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1985 Toyota Corolla AE86 (early Levin)

PostPosted: Thu Aug 14, 2008 9:13 am    Post subject: Reply with quote

robokill wrote:
this is my engine running:

81.5 mm pistons
standard head gasket
worked ports and valves (also combustion chamber)
catcams last standard valve cam.

264 252 8.5 and 9mm lift

I am running 134.8 WHP and 150 NM

This is measured on the wheels. So anything is possible.


OMG Shocked It's almost 170 horsepower on crankshaft. Great result!
Can I see any videos of your car?


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AE86_Z
Wataru



Joined: 20 Mar 2005
Posts: 59
Location: Hungary

1985 Toyota Corolla AE86 (early Levin)

PostPosted: Fri Aug 15, 2008 1:41 pm    Post subject: Reply with quote

Dyno run:

Cheerleader Cheerleader Cheerleader Cheerleader Cheerleader
Thumbsup Thumbsup Thumbsup Thumbsup Thumbsup

167,11 HP @ 7250 rpm 155 Nm on crankshaft


Viewed 110 Time(s)
AE86 : Technical > Cams for a stock 4age 16v


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[Walaki]D`Lair




Joined: 12 Oct 2007
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1985 Toyota Corolla AE86 (early Levin)

PostPosted: Fri Aug 15, 2008 2:56 pm    Post subject: Reply with quote

Grats m8! You have an awesome car! ZDoman tuning FTW! Very Happy

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tolisspi
Takumi



Joined: 24 Jan 2008
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Location: Greece-Korinthos


PostPosted: Fri Aug 15, 2008 7:56 pm    Post subject: Reply with quote

What a fuk!
Very good result mate! And you have the oem ecu!
How do you count the crankshaft horsepower?


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AE86_Z
Wataru



Joined: 20 Mar 2005
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PostPosted: Fri Aug 15, 2008 9:55 pm    Post subject: Reply with quote

I think I made a mistake in the calculation for crank. I counted with 25% drive train loss, but as I read on club4ag 20% is a common number.

So my car can do about 160 HP on crank. Thumbsup


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