GTM SC installs reviewed

shumby · 11-01-2010, 08:58 AM

Quote:

Originally Posted by Q8y_drifter

I still don't understand how you could blow the trans. The same trans is used in the M56 and QX56. These are much heavier cars that put even more stress on the trans and produce even more torque (413ftlb @ crank for the QX56).

ya i know but it is what it is. I am working with Sam on this too. Waiting to see what the dealer says and then will go from there.

weiboy718 · 11-01-2010, 09:11 AM

Quote:

Originally Posted by shumby

ya i know but it is what it is. I am working with Sam on this too. Waiting to see what the dealer says and then will go from there.

HEy man, log on to aim

DannyGT · 11-01-2010, 08:57 AM

Quick update on mine too...To echo what Shumby has said, the torque is very significant down low. Additionally, I had some flutter too...But I ran a couple of tests, including bypassing the bypass valve entirely and the flutter is gone, so it doesnt seem to be resonance, just simply the BPV. If thats the worst of it than I'm sure it will be an easy fix. You dont hear it at idle, or under any load above 30-40% throttle...its 100% during cruising. I dont count decel or in between shifts because thats how its suppose to work.

I got the teflon paste to seal up the small oil leak I had on the oil relocation fittings so that should be OK now.

Sorry I havent gotten any pics or video, but I was throwing a huge halloween party and I had no time. Hopefully I can get back to all this during the week and get some good footage for you guys!

Buddy Revell · 11-01-2010, 09:19 AM

Quote:

Originally Posted by DannyGT

Quick update on mine too...To echo what Shumby has said, the torque is very significant down low. Additionally, I had some flutter too...But I ran a couple of tests, including bypassing the bypass valve entirely and the flutter is gone, so it doesnt seem to be resonance, just simply the BPV. If thats the worst of it than I'm sure it will be an easy fix. You dont hear it at idle, or under any load above 30-40% throttle...its 100% during cruising. I dont count decel or in between shifts because thats how its suppose to work.

I got the teflon paste to seal up the small oil leak I had on the oil relocation fittings so that should be OK now.

Sorry I havent gotten any pics or video, but I was throwing a huge halloween party and I had no time. Hopefully I can get back to all this during the week and get some good footage for you guys!

Thanks for the info, Danny. What BPV or BOV are you gonna go with?

DannyGT · 11-01-2010, 09:26 AM

Quote:

Originally Posted by Buddy Revell

Thanks for the info, Danny. What BPV or BOV are you gonna go with?

Not sure, I'm going to a friends shop to see what he has from some of his track cars and test them out. He has a dyno on hand too so I should be able to get some results while I am there. Most likely I'll have that done on Thursday, late afternoon.

Buddy Revell · 11-01-2010, 01:15 PM

Quote:

Originally Posted by DannyGT

Not sure, I'm going to a friends shop to see what he has from some of his track cars and test them out. He has a dyno on hand too so I should be able to get some results while I am there. Most likely I'll have that done on Thursday, late afternoon.

Sounds good. Good luck, bro.

shumby · 11-01-2010, 09:19 AM

damn thought i was. stand by

shumby · 11-01-2010, 09:53 AM

^^ ya tell me about it. tray cost more then the SC lol. find out later what the deler has to say. And then wait to see what Sam says he has uphill sleeve for the tranny. But you would know more bout that then me. I know that the tray was going to be a weak point but i did not figure it would fail like this.

christian370z · 11-01-2010, 10:32 AM

Quote:

Originally Posted by DannyGT

Quick update on mine too...To echo what Shumby has said, the torque is very significant down low. Additionally, I had some flutter too...But I ran a couple of tests, including bypassing the bypass valve entirely and the flutter is gone, so it doesnt seem to be resonance, just simply the BPV. If thats the worst of it than I'm sure it will be an easy fix. You dont hear it at idle, or under any load above 30-40% throttle...its 100% during cruising. I dont count decel or in between shifts because thats how its suppose to work.

Do the GTM kits come with that plastic Bosch BPV? I used to run that stock in my old Saab 900 and once I got up to 360hp and 20+psi, it would flutter because the internal spring was simply not up to the task of holding back that boost or releasing it effectively.

I would definately move onto another BPV; I have had great experience with Forge personally.

Buddy Revell · 11-01-2010, 01:18 PM

Quote:

Originally Posted by christian370z

Do the GTM kits come with that plastic Bosch BPV? I used to run that stock in my old Saab 900 and once I got up to 360hp and 20+psi, it would flutter because the internal spring was simply not up to the task of holding back that boost or releasing it effectively.

I would definately move onto another BPV; I have had great experience with Forge personally.

Have you seen the GTM vids that show what the flutter sounds like? Did the flutter on your old Saab sound similar?

fstrnldr · 11-01-2010, 11:08 AM

Quote:

Originally Posted by shumby

^^ ya tell me about it. tray cost more then the SC lol. find out later what the deler has to say. And then wait to see what Sam says he has uphill sleeve for the tranny. But you would know more bout that then me. I know that the tray was going to be a weak point but i did not figure it would fail like this.

I think you missed my joke there. As at as he auto trans, that is not eve close to my area of expertise. Sam does have a guy for that, and he is one of the best.

shumby · 11-01-2010, 11:11 AM

Quote:

Originally Posted by fstrnldr

I think you missed my joke there. As at as he auto trans, that is not eve close to my area of expertise. Sam does have a guy for that, and he is one of the best.

LOL i got your joke i was ignoring it . lol

And Sam needs to start cracking his whip on his tranny guy. (lol Sam has a tranny guy)

NYBladeZ · 11-01-2010, 10:38 AM

Damn shumby that sucks but that is part of the inherent risk of being one of the first guys. Look on the bright side, this forum has had way to many manual v. AT threads that have gone no where and now you've put an end to that....m6 wins!

efuseakay · 11-01-2010, 10:53 AM

Shumby, take your car back and give the guys at Level 10 a call.

shumby · 11-01-2010, 11:09 AM

level 10?

11-01-2010, 08:57 AM	#3 (permalink)
DannyGT Track Member Join Date: Jan 2009 Location: Jersey Posts: 919 Drives: 370Z (SOLD) Rep Power: 280	Quick update on mine too...To echo what Shumby has said, the torque is very significant down low. Additionally, I had some flutter too...But I ran a couple of tests, including bypassing the bypass valve entirely and the flutter is gone, so it doesnt seem to be resonance, just simply the BPV. If thats the worst of it than I'm sure it will be an easy fix. You dont hear it at idle, or under any load above 30-40% throttle...its 100% during cruising. I dont count decel or in between shifts because thats how its suppose to work. I got the teflon paste to seal up the small oil leak I had on the oil relocation fittings so that should be OK now. Sorry I havent gotten any pics or video, but I was throwing a huge halloween party and I had no time. Hopefully I can get back to all this during the week and get some good footage for you guys! __________________ Performance GTM Stage 1 SC, GTM Res.Test Pipes, Invidia Gemini Exhaust, GTM HD Oil Cooler Wheels & Suspension AME Tracer TM02's 19x9.5F 19x10.5R w/ 265x35F & 305x30R, Hotchkis Sways, BC (BR) Racing Coilovers (Car Sold)

11-01-2010, 09:19 AM	#7 (permalink)
shumby Captin Canuck Join Date: Dec 2008 Location: with your mom Age: 45 Posts: 6,288 Drives: your sister Rep Power: 237	damn thought i was. stand by __________________ Originally Posted by SAM@GTM Engine detonation is not normal and it should never never happen, and whoever told that need to do something else for living . Sam

11-01-2010, 09:53 AM	#8 (permalink)
shumby Captin Canuck Join Date: Dec 2008 Location: with your mom Age: 45 Posts: 6,288 Drives: your sister Rep Power: 237	^^ ya tell me about it. tray cost more then the SC lol. find out later what the deler has to say. And then wait to see what Sam says he has uphill sleeve for the tranny. But you would know more bout that then me. I know that the tray was going to be a weak point but i did not figure it would fail like this. __________________ Originally Posted by SAM@GTM Engine detonation is not normal and it should never never happen, and whoever told that need to do something else for living . Sam

11-01-2010, 10:38 AM	#13 (permalink)
NYBladeZ A True Z Fanatic Join Date: Apr 2009 Location: New York Posts: 2,158 Drives: Lotus Exige S Rep Power: 21	Damn shumby that sucks but that is part of the inherent risk of being one of the first guys. Look on the bright side, this forum has had way to many manual v. AT threads that have gone no where and now you've put an end to that....m6 wins! __________________ 2009 Carbon Fiber/Red 370z aka Trish: Sports Package, Meisterschaft full catback, Fast Intentions Longtube Headers, Injen Long Tube Intakes, UpRev Tune: Sold 2008 Lotus Exige S Club Racer aka Bella, always leaves me smiling

11-01-2010, 11:09 AM	#15 (permalink)
shumby Captin Canuck Join Date: Dec 2008 Location: with your mom Age: 45 Posts: 6,288 Drives: your sister Rep Power: 237	level 10? __________________ Originally Posted by SAM@GTM Engine detonation is not normal and it should never never happen, and whoever told that need to do something else for living . Sam

11-01-2010, 10:53 AM	#14 (permalink)
efuseakay Enthusiast Member Join Date: Mar 2010 Location: The DAYNGA ZONE! Posts: 404 Drives: 2010 G37xS Sedan Rep Power: 16	Shumby, take your car back and give the guys at Level 10 a call.

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