Boost and Gear selection?
10-22-2006, 12:38 PM
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Boost and Gear selection? Well with the car getting ready for a completely new setup I need to prepare here. Anyways I have an 04 GTO that I am currently doing a Solid Rear Axle Conversion on (yes in my garage). Stenod will be building the TT setup for the car as well as installing BS3. The car has a th400 and a 4400stall.
Quick rundown of the car:
408, 240cc ET heads, Custom Cam, Moser 9", TH400 (std. gearing), Twin Turbos (T70s or close to), Big Stuff 3, Plenty of fuel.
My intentions are to run a 28x12" tire on a 15x11" wheel. Yes it is going to be minitubbed!
The Moser 9" I bought has 3.50 gears in it and I am thinking I may need to swap them out. I would like to hear from the turbo guys on this. Which gears should I go with in the Moser 9". The car will be making 1200rwhp or so when it is complete. Though I intend to race the car at lower boost settings for atleast 6months.
So should I keep the 3.50s until I bump the boost up down the road or should I sell the 3.50 section I have and get some different gears?
Quick rundown of the car:
408, 240cc ET heads, Custom Cam, Moser 9", TH400 (std. gearing), Twin Turbos (T70s or close to), Big Stuff 3, Plenty of fuel.
My intentions are to run a 28x12" tire on a 15x11" wheel. Yes it is going to be minitubbed!
The Moser 9" I bought has 3.50 gears in it and I am thinking I may need to swap them out. I would like to hear from the turbo guys on this. Which gears should I go with in the Moser 9". The car will be making 1200rwhp or so when it is complete. Though I intend to race the car at lower boost settings for atleast 6months.
So should I keep the 3.50s until I bump the boost up down the road or should I sell the 3.50 section I have and get some different gears?
10-22-2006, 07:23 PM
#2
I like my 2.75 gears. When I had my 3.50 gears it was impossible to hook and didn't spool well, sucked on the highway too.
You will probably push through the stall, 4400 is really loose on a turbo car. Mine stalls to 3000 n/a and 4000 on 10psi, 4500 on 15psi.
You will probably push through the stall, 4400 is really loose on a turbo car. Mine stalls to 3000 n/a and 4000 on 10psi, 4500 on 15psi.
10-22-2006, 08:44 PM
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Originally Posted by Zombie
I like my 2.75 gears. When I had my 3.50 gears it was impossible to hook and didn't spool well, sucked on the highway too.
You will probably push through the stall, 4400 is really loose on a turbo car. Mine stalls to 3000 n/a and 4000 on 10psi, 4500 on 15psi.
You will probably push through the stall, 4400 is really loose on a turbo car. Mine stalls to 3000 n/a and 4000 on 10psi, 4500 on 15psi.
10-22-2006, 10:03 PM
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Originally Posted by Pro Stock John
I'd start with the 3.50's, but you might end up swapping to 3.25's at some point.
Oh well
10-22-2006, 10:08 PM
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Originally Posted by TrakDay
My stall was built around a Procharger setup. Yeah I am pretty certain I will be changing out the gears. Looks like I need to decide soon!