Supercharging with 4:10's?
- Thread starter King Cobra 22
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94TURBO5 O
New Member
Why do you think you can't? You can use any gear ratio you want but all depends on how much top end and hole shot power you are looking for. The 4:10's are reasonable but short as hell with the boost but it can be done and has by many people.
According to ATI, a healthy stock bottom end can handle 14 psi. I was going to run a D1 Procharger on my stock 94 cobra, but decided to go Kenne Bell.
I too have 4.10s. I should be installing the KB withint the next 2 weeks.
As for the 4.10, no you won;t run out of top end at 100, but 1st gear will definitely be worthless... It is worthless now with my relatively stock car.
I will toy aroudn with it for a while and see.
UK
I too have 4.10s. I should be installing the KB withint the next 2 weeks.
As for the 4.10, no you won;t run out of top end at 100, but 1st gear will definitely be worthless... It is worthless now with my relatively stock car.
I will toy aroudn with it for a while and see.
UK
UrbanKnight said:
With a KB and the ridiculous torque they make at low rpms (its a good thing!) traction will be non existant with those gears. 3.55's would suit that settup well, with all the "area under the curve" you will be able to get away with a low gear(numerically low), and make it very fun the street.
Alot of KB cars i see are like turbo cars, 3.55's and 3.27's seem to be the favorites. Of course you can always throw a nice big tire on there...
if you trap too high..... you will have to go to 5th in the 1/4
but on the street with traction daily it will be a blast.
toss a b21 cam and spring set in there to get some more rpm and power over the stock setup..... this will make your 4.10s more useable in the 1/4
but on the street with traction daily it will be a blast.
toss a b21 cam and spring set in there to get some more rpm and power over the stock setup..... this will make your 4.10s more useable in the 1/4
You will eventually run outta gear in the 1/4. You never want to shift into 5th in the 1/4.
On stock H/C/I you prob ok right now, but when you do a few mods your gonna run outta gear. My car is running outta gear with 3.73's right now..lol
Blower cars usually have high mphs.
On stock H/C/I you prob ok right now, but when you do a few mods your gonna run outta gear. My car is running outta gear with 3.73's right now..lol
Blower cars usually have high mphs.
94TURBO5 O
New Member
Yup with my 3:73's I am around 4800-5K at the end of the quarter.eades5.0 said:
I an running stock heads, cam, and bottom with 12#'s of boost and only blew head gaskets....so far.
YEAHLOH95
Founding Member
i agree les gear is better i'm on the fence about putting 3.55's in my car i have a friend that ran his car on the motor and 4.10's were fine but as soon as he put the blower on it wouldn't make it thru the 1/4 with out hitting the rev limiter . i had mine rasied so i can spin my motor to 6500 i cross the line aound 6000 now at 120 mph .
This summer Im switching Gears in mine b/c right now there stock and they suck. Im going to 3.55's ( already have them just need to install them). My friend is running 3.73's on his 91 turbo LX and hes switching to 3.55's as well. 4.10s are just really steep on a blown car, forget about 1st gear and 2ed wont be much use either. If you have H/C/I and a blower on the car you will need to shift into 5th in the 1/4 and thats not a good thing. Had a friend w/ a 91 GT Vortech S-Trim H/C/I w/ 4.10 and went to the track w/ them once and came home and took them out.
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