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Old Aug 11, 2011 | 12:16 AM
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will a 35-3800 stall be good for the trex cam?
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Old Aug 11, 2011 | 12:37 AM
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Id go 4000 personally.
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Old Aug 11, 2011 | 01:02 AM
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4k-4400 would be better.
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Old Aug 11, 2011 | 01:10 AM
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4400..
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Old Aug 11, 2011 | 07:39 AM
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I would suggest starting at 4000, more if you go to the track a lot.

Chris
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Old Aug 11, 2011 | 02:30 PM
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this will be in my daily driver any personal experience i dont wanna lose low end power when street racing especially FI n boosted cars
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Old Aug 11, 2011 | 02:38 PM
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would this b safe for an unrebuilt bottom end?
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Old Aug 11, 2011 | 02:46 PM
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Min 4k. Mine was 4k and I personally felt it needed 4.4k.
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Old Aug 11, 2011 | 02:49 PM
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Originally Posted by ss1129
Min 4k. Mine was 4k and I personally felt it needed 4.4k.
any bottom end problems shifting that high?
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Old Aug 11, 2011 | 03:11 PM
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98 trans am
100K- ms4/4400 VIG/full exhaust
105K- 410s/ported 90/90 setup
110K- PRC ls6 stg 1 heads

Sold it at 116K with plenty of passes, I drove the car extremely hard. It was a DD every single day for those 16K miles. Never even had a dead battery on the car.
DD that cam will be dependent SOLELY on the tune.
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Old Aug 12, 2011 | 01:31 AM
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Originally Posted by lemons12
98 trans am
100K- ms4/4400 VIG/full exhaust
105K- 410s/ported 90/90 setup
110K- PRC ls6 stg 1 heads

Sold it at 116K with plenty of passes, I drove the car extremely hard. It was a DD every single day for those 16K miles. Never even had a dead battery on the car.
DD that cam will be dependent SOLELY on the tune.
do u remember what it cost you when redoing the rear end
it seems that ill need/want 3.73's in my a4
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Old Aug 12, 2011 | 02:07 AM
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your gonna lose low end with that cam no matter what ,a 3.73 , in a a4 is not gonna do it for you , that cam needs something bigger than 3.73s, i know in my m6 it was 4.30s on spray ,4.56s cam only , i love my ms4 but i will say it was a dog on stock gears down low, if your worried about low end you have the wrong cam, thats just my 2 cents man. now a t rex set up right ,with some spray will pull like crazy. is this your first ls car?the reason i ask is because so many think the biggest is the best , but just a big cam doesnt make a fast car, also i have a ms4 as well ,and could dd mine easy, tune is key but you will have some cam surge and bucking in the lower rpms, more or less depends on the tune and how the car is set up ,good luck man , lemons knows his stuff ,listen to him lol
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Old Aug 12, 2011 | 02:21 AM
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i would say mid 230s eps cam,good set of ported heads,stall,gears and i know for a fact you will love your car alot more than with a t rex in it. thats only because i hear dd, i think the t rex is a killer cam ,again this is just what i have been threw over the years ,if you know this all my bad just trying to shoot some info. i also would think about fly cutting if your dead set on the t rex, a kid in my area with a t rex didnt and one night crap hit the fan lol
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Old Aug 12, 2011 | 06:51 AM
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Originally Posted by 2000 Knapp WS6
any bottom end problems shifting that high?
I had arp rod bolts, no problems shifting at 7k. I only went with arp because I heard the rod bolts are weaker on 98s. Otherwise I would of kept it stock and seen what happens.
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Old Aug 12, 2011 | 02:48 PM
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Originally Posted by 2000 Knapp WS6
do u remember what it cost you when redoing the rear end
it seems that ill need/want 3.73's in my a4
That has been about 4 years now so no.... IIRC I had 75$ in the rear end girdle- used... 100$ or so in the gears new in box.. and I want to say install/parts and labor was around 175$. Don't quote me on any of that however.
With a Trex I recommend 410s.

Originally Posted by BOBS99SS
your gonna lose low end with that cam no matter what ,a 3.73 , in a a4 is not gonna do it for you , that cam needs something bigger than 3.73s, i know in my m6 it was 4.30s on spray ,4.56s cam only , i love my ms4 but i will say it was a dog on stock gears down low, if your worried about low end you have the wrong cam, thats just my 2 cents man. now a t rex set up right ,with some spray will pull like crazy. is this your first ls car?the reason i ask is because so many think the biggest is the best , but just a big cam doesnt make a fast car, also i have a ms4 as well ,and could dd mine easy, tune is key but you will have some cam surge and bucking in the lower rpms, more or less depends on the tune and how the car is set up ,good luck man , lemons knows his stuff ,listen to him lol
In an A4 low end doesn't really matter... No matter what your setup a 4400 converter is going to make it a dog at 2K rpms.
Building a stalled auto and wanting "down low power" is kind of like pissing in the wind.
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Old Aug 12, 2011 | 06:16 PM
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Originally Posted by lemons12
In an A4 low end doesn't really matter... No matter what your setup a 4400 converter is going to make it a dog at 2K rpms.
Building a stalled auto and wanting "down low power" is kind of like pissing in the wind.
this
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Old Aug 12, 2011 | 08:26 PM
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Originally Posted by lemons12
That has been about 4 years now so no.... IIRC I had 75$ in the rear end girdle- used... 100$ or so in the gears new in box.. and I want to say install/parts and labor was around 175$. Don't quote me on any of that however.
With a Trex I recommend 410s.


In an A4 low end doesn't really matter... No matter what your setup a 4400 converter is going to make it a dog at 2K rpms.
Building a stalled auto and wanting "down low power" is kind of like pissing in the wind.
ya i know i wish i wulda waited to find a nice m6 the reason i have a 700r rebuild is cause the 4l60e **** out on me and when i was pulling it out i noticed it wasnt even the ORIGINAL TRANNY the chick tht owned it before me failed to mention all the **** her "said auto friends helped her with" im only ****** 17 but ive had to fix more **** then has been needed juss because she went the cheap route hope i dont find out tht the internals were messed with as well during the rebuild but anyway i do take my car to the track when i can but its forced to b my DD and i just want to have my cake and eat it too i guess do you know what kind of passes people are getting with the lower 228-230's size cams?
thanks,
knapp
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Old Aug 15, 2011 | 01:19 AM
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Times in Sig..

226/228 .588 114
Ported 317 heads
Stock ls6 intake
Ptc 4000 converter
373s
1 3/4 lts kook ory magnaflow had a LOT left to pick up here
Underdrive pulley
Suspension
3500 or so race weight 2200 da

You don't need a large cam to run quick times, its in the complete setup. The other white car times was in a car that had race weight of 3250 or so, so 300# liter.. ms4 cam ported 90 setup dumped exhaust 410s etc etc didn't have a tune and spun petty good but in same da only ran .1 quicker and 2mph faster.
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Old Aug 17, 2011 | 02:09 PM
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My converter flashes to right about 4000 in my bolt on car. I had a 3600 in it before this one.

Don't be afraid of a big converter...
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