There is no Cobalt content in this thread. Sorry
09-15-2010, 08:52 AM
#1
Senior Member
Thread Starter
Join Date: 09-22-09
Location: Akron, Ohio
Posts: 757
Likes: 0
Received 0 Likes
on
0 Posts
There is no Cobalt content in this thread. Sorry
I just got done making some changes to my E85 GT3076R Evo and here's the results!
YouTube - MVI 4945
YouTube - MVI 4944
YouTube - MVI 4945
YouTube - MVI 4944
09-15-2010, 11:19 AM
#5
Senior Member
Thread Starter
Join Date: 09-22-09
Location: Akron, Ohio
Posts: 757
Likes: 0
Received 0 Likes
on
0 Posts
This is a road race car setup specifically for Redline Time Attack Street AWD class.
Its not going to live its life 10 seconds at a time so the tune has some built in conservativeness.
I did 15 pulls on the dyno that day starting at 461awhp and ended at 530awhp. and saw virtually NO KNOCK the entire time.
Basically what I'm saying is, I could have gone higher. I went to the dyno that day wanting 530awhp and I got 530awhp.
09-15-2010, 02:21 PM
#8
Senior Member
Thread Starter
Join Date: 09-22-09
Location: Akron, Ohio
Posts: 757
Likes: 0
Received 0 Likes
on
0 Posts
09-15-2010, 02:29 PM
#10
Rent me! per hour
Join Date: 03-22-07
Location: Still fixing others mistakes.
Posts: 24,185
Likes: 0
Received 20 Likes
on
14 Posts
im just going out on a limb here
09-15-2010, 03:01 PM
#12
Senior Member
Thread Starter
Join Date: 09-22-09
Location: Akron, Ohio
Posts: 757
Likes: 0
Received 0 Likes
on
0 Posts
I decided against a port job because it will slow down inlet/exhaust gas velocity across the board which will lower low end power/torque, effectively move my power band right. I dont want to do that because of the stresses a higher rev limit puts on an engine. For instance a rev limit increase of 1000rpm has an order of magnitude higher stress rise on connecting rods than an additional 20psi of boost.
It also has tradeoffs in fuel mixing because of the lower reynolds number and hurts fuel economy and makes it harder to tune (O2 sensosr will say its rich, but its not the air fuel mixture thats the problem, its actually combustion efficiency, left over fuel AND oxygen.)
I basically just dont want to operate the car while racing in the 7000+rpm range.
09-16-2010, 12:21 AM
#13
Rent me! per hour
Join Date: 03-22-07
Location: Still fixing others mistakes.
Posts: 24,185
Likes: 0
Received 20 Likes
on
14 Posts
if you're still on the stock short block, id highly suggest rod bolts. for obvious reasons. personally have seen too many of them come flying apart at 500+whp.
being that you don't drag the car, the powerband will work peachy for it
just different than what i am used to seeing in the evo world. reminds me of a subby curve
being that you don't drag the car, the powerband will work peachy for it
just different than what i am used to seeing in the evo world. reminds me of a subby curve
09-16-2010, 07:31 AM
#14
Senior Member
Thread Starter
Join Date: 09-22-09
Location: Akron, Ohio
Posts: 757
Likes: 0
Received 0 Likes
on
0 Posts
if you're still on the stock short block, id highly suggest rod bolts. for obvious reasons. personally have seen too many of them come flying apart at 500+whp.
being that you don't drag the car, the powerband will work peachy for it
just different than what i am used to seeing in the evo world. reminds me of a subby curve
being that you don't drag the car, the powerband will work peachy for it
just different than what i am used to seeing in the evo world. reminds me of a subby curve
Its a fully built block. This isn't my 1st 4G63 rodeo.
Thread
Thread Starter
Forum
Replies
Last Post