Obviously our LT1's are *** kickers in the high rpm range but what mods can help me gain a little more power in the low and mid range...i have no problem pushing put mad HP in 3500 and up but i just dont want to wait that extra 2 secs to get there...i know a cam would help but what mods are targeted towards low and mid range rpm HP?

 

I see that your car is an automatic from the cardomain page (by the way, you forgot to add ".com" after "cardomain"). I would recommend getting a stall converter, or some steeper gears. My 3.73 gears are going in Friday, so I'll let you know how that goes. My car is an automatic as well.

 

ya..nice z...thanks .....i would love to hear what the 373's do for you..i was thinking after my headers to get some 373's(even though i love my 323's)please email me when you get them and tell me how they are working for you.
blake-schulz@uiowa.edu

 

A torque convertor will help give you some low and mid range umph.

 

Actually our LT1s lack in the high RPM range when compared to the LS1. If you look at a dyno chart of the stock cam you will see that our torque drops off quickly at 4500rpm and we make no more HP after 5200rpm. Once you've been in a LS1 car you will know what I mean, they just keep pulling. Below is a link to a LT1 dyno w/ the stock cam. I dont' have a LS1 chart link off hand.


http://www.ws6.com/hood.htm

 

Thanks! will do...

 

Hooker LT headers give a big boost in low-end. I've seen 40 ft-lb increases below 3500 rpm.

Mike

 

yes but arent LT's hard to install and fit in the exhaust setup of a 94 single cat car?

 

If you're worried about installation difficulty, then don't get the LT's.

Stick with a good Vigilante or Yank converter and gears.

Mike

 

which gears? i got the stock 323's .....so 373's or 410? i have heard mixed reviews on gains from 323 to 373

 

Shorty headers give better low-rpm increases than LTs. LTs are all about high rpm horsepower. I agree with the 3.73s though, that will definitely help. A mild cam like the CC304 would probably help a bit too.

 

Absolutely incorrect. I've seen it over and over on a dyno. The long tubes help scavenge at low speeds, but become a restriction at high speeds. Shorties flow better at high speeds, but do nothing for low speed scavenging.

Back to the main subject: I'd stick with 3.73's because the 4.10's will limit your top speed in drive.

Mike

 

I don't have experience with it like you do Mike, so I won't argue. I'm just going on the numerous posts people have made about how their power/torque band seemed to move upward in the RPM range after installing LTs.

 

kind of off the topic but how bad(hp robbing) are the stock manifolds

 

You can pick low end cams but they are usually not much better than stock high and mid or you can maybe retard the cam to get a bit more low end .I went thru this on my 99 ta m6 since and still don't like my low end with stock m6 and 3.42 gears and long tubes and cam and all other little bolt ons but no heads yet .Buddies car with heads seems to be pretty good low end now,his has cam ,long tubes similar bolt ons to me.The heads and extra power reallys seem to have helped all thru the range.But in my 80 ta 400 pontiac motor I went from 3.08 to 3.42 and threw in a 2400 b and m stall..that woke that baby up pretty nicely.
So go with gears..3.42 or maybe 3.73 ,not 4.10 unless you mostly track it only.And throw in a 2400 to 2800 stall..its a small block so would likely go with 2800 to maybe even 3200 or 3500 if you are more hardcore about it.At least these lt1 cars are lockup converters.I didn't want to go to high on my 80 as its non lockup in my new turbo 400.

So gears or stall both work for sure and both are relatively easy installs although likely you want a professional to set up gears unless you have the right tools but they can be tricky.

Oh and don't expect much faster quartermile times on street tires with a good stall and gears..pretty much need drag tires to hook it up after those mods..Of course another way to get big low end...nitrous makes huge torque..blowers and turbos all make huge low end..especially nos and turbos..but buddy with ati has no problem roasting his back tires with 3.42 gears in his six speed 97ta. And then of course strokers have lots of bottom end..
all this is big bucks though..well nos is pretty cheap..