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Topic Review (Newest First)
07-01-2004 04:48 PM
53LEDSLED im not an engine expert but what about NOS???
07-01-2004 03:23 PM
mytwopals Check out the following link:

With a 3500 lb. car and a desire to hit 12.0 in the 1/4 mile, you'll need 400 horsepower at the rear tires. This translates to approximately 520 HP at the flywheel.

Based on your engine description, your at least 150 HP shy of your goal. If you want the car to remain streetable, you're not going to get down to 12.0 in the 1/4 mile. You'll need a much more radical cam, taller intake and about an 850 CFM carb. You'll probably want a forged steel crank, too.

Reduce the car's weight to 2600 lbs. and you'll get your 12.0 ET with your current engine setup. Start by removing the back seat. That should get you almost 100 lbs. lighter.
06-27-2004 03:38 PM
Originally posted by airman_turtle
not much HP gain, but getting 20 lb/ft from an intake is pretty impressive.

The Performer RPM air gap or Weiand Stealth and a 750 BG should make considerable gains.
06-21-2004 08:57 PM
airman_turtle oh i dont want to go that high, but hes telling me to shift at like 6000, i honestly dont feel any more power past 5500-5800 though
06-21-2004 08:51 PM
killerformula Well as long as its his money and his motor, that's cool. YOu just have to decide if you're comfortable doing that to your motor. I will tell you I've never in my life heard of a small block with a stock bottom end doing those R's more than once. You'll need performance springs, pushrods and girdles to push those R's. A stock setup simply will not do it.

Just be careful man, its a rough thing to blow up a new motor...

06-21-2004 08:26 PM
airman_turtle i have heard that, but my mechanic has a 350 with a stock bottom end in his el camino, and he has had it in there for 5 years...It has well over 600 passes on it and...he shifts at 7500! He told me they have been tested to 9200 RPM, but he also said that even with his, he had to have the tolerances damn near perfect to allow the RPMs that he gives it.
06-21-2004 08:13 PM
killerformula I'm telling you man, you push that stock 350 bottom end past 5500, maybe 6000 RPM and you're asking for a stretched rod and a hole in your pan and block. Get a cam that allows you to shift at 55, maybe 5800 or buy a 2000 dollar bottom end for the thing. Sorry man, but those are your options.

The transmission will twist till the cows come home. WOrry about the mill.

06-21-2004 08:01 PM
airman_turtle well what about head flow, i think my heads flow around 240-250, is that good?

Also, what is a safe RPM to take the 200-4rs to? i do have it built, but not the hard parts. I know they are metric, and ive been told they are kinda weak for higher horsepower.
06-21-2004 07:40 PM
Ghetto Jet if you check out the whole power band it was getting an extra 11-15 hp across most of it. The only problem with that test is it cuts off at 5300 RPM's after 5500 is where the RPM intake will really out do the performer, and your cam makes good power up to about 6000-6200 rpms.
06-21-2004 05:42 PM
airman_turtle not much HP gain, but getting 20 lb/ft from an intake is pretty impressive.
06-21-2004 03:52 PM
Ghetto Jet You're right, this is a car you are going to drive every day there isn't much you should remove or replace to lighten it. Tearing out most of the interior, a/c, heater, inner fenders, stereo, speakers, ect. Would only take off about 200 pounds, .2 of your et. Not the right route to take IMO.

The Performer is isn't much better that an stock 4 barrel intake, the Performer RPM is designed for performance and will give you more all around power. look at test 2 and 3, the difference between the test are they went from a Performer to a Performer RPM and switched to a Holley(which probably only added a few horse power, the majority of the increase is because of the intake.
06-21-2004 03:38 PM
4 Jaw Chick How about modifying the seats to make them easily removable? Take them out at the track (except the driver's seat, of course), put them back in again before you leave. I'm sure if you really looked you could find other things that will lighten the load and still keep your car street legal. Of course if you really want to go all out you could look into a tube frame.

06-21-2004 03:06 PM
I dont want to use slicks, i want to be able to drive to the track and drive home w/out changin n e thing. Currently i have 255 BF goodrich radial TAs...they hook really good surprisingly
Talk to someone that runs Hoosiers. You might be surprised.
06-21-2004 11:16 AM
airman_turtle its a full frame car, what can i really take out. and what is the big difference between the performer and the performer RPM...all i thought it was was the RPM range, how can that affect the power that much? I know the Performer goes to 5500 and thats where i shift n e ways.
06-21-2004 10:16 AM
4 Jaw Chick All the carbs and tuning in the world aren't going to help you if you don't find a way to lighten the load. Illuciano is right. 3500 lbs is a lot of car to move. See where you can lighten things a bit and that will go a long way towards your goal.

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