3S-GTE JDM 3rd Gen Turbo Engine gen3 with hks 264 cams question??

squirrelyT · 04-15-2009, 08:29 PM

found some helpful things here on the forum about these cams, but just wanted info or opinions on this topic.

can the factory gen3 ecu hang with these cams or dose it need a tune?(mines ecu,apexi fc, standalone)

can the factory shims, springs and retains handle the added lift

also has anyone done the "bucket" conversion? or at least thats what i think it's called. remove the shims and replace it with i believe a 1zz or 1zj? cam spring "holder"???

the reason i ask is this, i know you can gane with cams. but at what extent? i.e. 20b turbo, gt30r, t3/t4, etc. psi. the list goes on.

basicly, lets say i get the cams installed with no tune needed car runs great makes about 280-300whp with the 20b. then 2 yrs down the road or whatever i want to replace that turbo with a gt28/gt30 with the stock ecu. dose any body think that will fly? cause what im trying to getting at is if someone plans to upgrade the turbo you might as well get all the suporting mods first i.e. internals. cause F pulling the engine apart to accomodate for the upgraded turbo i'd rather do it all the first time around. please let me know if any one has any info on this or opinions. thanx in advanced!

Landjet · 04-22-2009, 06:01 PM

Do not do the 264 cams on the stock ecu and turbo. The ct20b cannot sustain the topend airflow and the ecu will have a hell of a time trying to idle them. They are a perfect match for the gt30. You should have no problem making 280-300rwhp on your stock turbo/ecu/intercooler.

DrWonderEyes · 04-22-2009, 10:05 PM

i thought gen3 motors had shimless buckets from the get go. correct me if im wrong.

mr2drift · 04-24-2009, 11:16 AM

Quote:

Originally Posted by DrWonderEyes

i thought gen3 motors had shimless buckets from the get go. correct me if im wrong.

They have shim under bucket setup.

squirrelyT · 04-26-2009, 06:13 PM

cool landjet, that saves me 600-650!

(for now lol) i would have tought it would work out fine. cause i did cams (stage1) on a b18c1(gs-r)on a stock ecu and it took great. BUT.... thats a honda and with out boost. cause i also thought that these cams were not that aggressive over stock. but it looks to be the case, ill have to think long and hard about the final goal. living with 280-300hp or do i really need 500hp?

now thats outa the way what turbos can be done with the stock gen3 set up? for a quicker spool or dose it not get quicker than the 20b? also with what turbo will i gain topend or lose topend? ex. t4 turbo slow spool good top end, t3 super60 quick spool bad top end. thanx in advance!

edit:lol no need for reply on the turbos just got done reading another thread about this^. all i needed to know is how it would act with cams. and the stock ecu, now im just going overboard.

Landjet · 04-28-2009, 10:24 AM

Never bigger cams on the stock ecu. You must upgrade the ecu with the cams because you will also need bigger injectors. The Stock ECU is fine within the range of the stock injectors/turbo.

squirrelyT · 04-29-2009, 07:53 PM

so with the stock ecu if i need or want to upgrade/replace the turbo (cause i've seen that it is more or about the same to rebuild the 20b than to buy a new turbo i.e t3/t4, 20g ,gt28, yat,yat,yat.ya the list goes on) ill need some sort of tune? if i go with something out of stock cfm/air flow? the reason i ask this, i've been and im sure you and others have as well, been on greddy.com. the turbo upgrade kits do not come with any type of tuning suport of any kind nor recomends it. the closest thing that i saw to an upgrade in fuel management was the 1.8 jetta it came with 310inj. everything else had turbo,wastgate,manifold(some) and thats it. now i understand what your saying about the cams w/ecu. but my question is just pointed to your last statement(The Stock ECU is fine within the range of the stock injectors/turbo.) also dont get me wrong if it comes off like im going aggenst your word im not, im just asking a question. so im just trying to unerstand that the stock ecu has a hard time out side its limit of a stock turbo? i.e. it cant addjust for the change in cfm/air flow? with out any type of tuning device?

please fill me in when you get a chance, thanx in advance.

note:excuse the bad spelling in a hurry(if any)

Landjet · 04-30-2009, 04:42 PM

The stock ECU will typically be fine with a lager turbo td06, t3t4 50 trim, etc. As long as you keep the power below the 330-340 rwhp mark. This will require an external wastegate for all turbos in this range. You are only able to do this because the stock ecu is very rich in the 17psi plus region with a stock turbo.

squirrelyT · 04-30-2009, 10:47 PM

right on! thanx for the info you have given me, it will help out when it comes time for my rebuild. "IF" i really feel the need to get cams ill get some sort of management first then the cams. but for now thats going on the back burner, i feel that there are other upgrades i can do till then. the cams and management will change my power band and gain, and be a great addition to what mods i'll have in the future. thats if ill even need them, ill see where i stand after a sorta basic rebuild. thanx again!

04-15-2009, 08:29 PM	#1 (permalink)
squirrelyT Some Skills Join Date: Apr 2007 Posts: 96 Thanks: 14 Thanked 1 Time in 1 Post iTrader Rating: (4/100% )	gen3 with hks 264 cams question?? found some helpful things here on the forum about these cams, but just wanted info or opinions on this topic. can the factory gen3 ecu hang with these cams or dose it need a tune?(mines ecu,apexi fc, standalone) can the factory shims, springs and retains handle the added lift also has anyone done the "bucket" conversion? or at least thats what i think it's called. remove the shims and replace it with i believe a 1zz or 1zj? cam spring "holder"??? the reason i ask is this, i know you can gane with cams. but at what extent? i.e. 20b turbo, gt30r, t3/t4, etc. psi. the list goes on. basicly, lets say i get the cams installed with no tune needed car runs great makes about 280-300whp with the 20b. then 2 yrs down the road or whatever i want to replace that turbo with a gt28/gt30 with the stock ecu. dose any body think that will fly? cause what im trying to getting at is if someone plans to upgrade the turbo you might as well get all the suporting mods first i.e. internals. cause F pulling the engine apart to accomodate for the upgraded turbo i'd rather do it all the first time around. please let me know if any one has any info on this or opinions. thanx in advanced!

04-26-2009, 06:13 PM	#5 (permalink)
squirrelyT Some Skills Join Date: Apr 2007 Posts: 96 Thanks: 14 Thanked 1 Time in 1 Post iTrader Rating: (4/100% )	cool landjet, that saves me 600-650! (for now lol) i would have tought it would work out fine. cause i did cams (stage1) on a b18c1(gs-r)on a stock ecu and it took great. BUT.... thats a honda and with out boost. cause i also thought that these cams were not that aggressive over stock. but it looks to be the case, ill have to think long and hard about the final goal. living with 280-300hp or do i really need 500hp? now thats outa the way what turbos can be done with the stock gen3 set up? for a quicker spool or dose it not get quicker than the 20b? also with what turbo will i gain topend or lose topend? ex. t4 turbo slow spool good top end, t3 super60 quick spool bad top end. thanx in advance! edit:lol no need for reply on the turbos just got done reading another thread about this^. all i needed to know is how it would act with cams. and the stock ecu, now im just going overboard. Last edited by squirrelyT; 04-26-2009 at 06:50 PM..

Thread Tools
Show Printable Version Email this Page
Display Modes
Linear Mode Switch to Hybrid Mode Switch to Threaded Mode

04-22-2009, 06:01 PM	#2 (permalink)
Landjet murdered out Join Date: Mar 2008 Location: Trussville,AL Posts: 38 Thanks: 0 Thanked 2 Times in 2 Posts iTrader Rating: (0/0% )	Do not do the 264 cams on the stock ecu and turbo. The ct20b cannot sustain the topend airflow and the ecu will have a hell of a time trying to idle them. They are a perfect match for the gt30. You should have no problem making 280-300rwhp on your stock turbo/ecu/intercooler.

04-22-2009, 10:05 PM	#3 (permalink)
DrWonderEyes MR2 + 400hp = Fun Join Date: May 2006 Location: Florida Posts: 780 Thanks: 3 Thanked 16 Times in 16 Posts iTrader Rating: (11/100% )	i thought gen3 motors had shimless buckets from the get go. correct me if im wrong.

04-28-2009, 10:24 AM	#6 (permalink)
Landjet murdered out Join Date: Mar 2008 Location: Trussville,AL Posts: 38 Thanks: 0 Thanked 2 Times in 2 Posts iTrader Rating: (0/0% )	Never bigger cams on the stock ecu. You must upgrade the ecu with the cams because you will also need bigger injectors. The Stock ECU is fine within the range of the stock injectors/turbo.

04-29-2009, 07:53 PM	#7 (permalink)
squirrelyT Some Skills Join Date: Apr 2007 Posts: 96 Thanks: 14 Thanked 1 Time in 1 Post iTrader Rating: (4/100% )	so with the stock ecu if i need or want to upgrade/replace the turbo (cause i've seen that it is more or about the same to rebuild the 20b than to buy a new turbo i.e t3/t4, 20g ,gt28, yat,yat,yat.ya the list goes on) ill need some sort of tune? if i go with something out of stock cfm/air flow? the reason i ask this, i've been and im sure you and others have as well, been on greddy.com. the turbo upgrade kits do not come with any type of tuning suport of any kind nor recomends it. the closest thing that i saw to an upgrade in fuel management was the 1.8 jetta it came with 310inj. everything else had turbo,wastgate,manifold(some) and thats it. now i understand what your saying about the cams w/ecu. but my question is just pointed to your last statement(The Stock ECU is fine within the range of the stock injectors/turbo.) also dont get me wrong if it comes off like im going aggenst your word im not, im just asking a question. so im just trying to unerstand that the stock ecu has a hard time out side its limit of a stock turbo? i.e. it cant addjust for the change in cfm/air flow? with out any type of tuning device? please fill me in when you get a chance, thanx in advance. note:excuse the bad spelling in a hurry(if any)

04-30-2009, 04:42 PM	#8 (permalink)
Landjet murdered out Join Date: Mar 2008 Location: Trussville,AL Posts: 38 Thanks: 0 Thanked 2 Times in 2 Posts iTrader Rating: (0/0% )	The stock ECU will typically be fine with a lager turbo td06, t3t4 50 trim, etc. As long as you keep the power below the 330-340 rwhp mark. This will require an external wastegate for all turbos in this range. You are only able to do this because the stock ecu is very rich in the 17psi plus region with a stock turbo.

04-30-2009, 10:47 PM	#9 (permalink)
squirrelyT Some Skills Join Date: Apr 2007 Posts: 96 Thanks: 14 Thanked 1 Time in 1 Post iTrader Rating: (4/100% )	right on! thanx for the info you have given me, it will help out when it comes time for my rebuild. "IF" i really feel the need to get cams ill get some sort of management first then the cams. but for now thats going on the back burner, i feel that there are other upgrades i can do till then. the cams and management will change my power band and gain, and be a great addition to what mods i'll have in the future. thats if ill even need them, ill see where i stand after a sorta basic rebuild. thanx again!