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The Formula Forums > Technical Area > Modifications
Dylan
I've got a '94 Firebird Formula and I've got around $1000 to spend on mods. I've already got ceramic longtube headers, cold-air intake, and a true dual Magnaflow exhaust. Otherwise, bone stock. I'm looking for anything bolt on and I'm most likely going for 3.73 gears otherwise. Any suggestions?
9T8W66
If it's an Auto a stall convertor will wake the car up dramatically
Me Too
QUOTE(9T8W66 @ Apr 10 2009, 11:34 PM) *
If it's an Auto a stall convertor will wake the car up dramatically


Yes, to the above, but if you DO have true duals, then construct an H-Pipe between the pipes, this will give the engine about 10 more hp and bring the torque down a bit lower for better off-idle response. Seriously look into using Crane Gold Race 1.6 ratio roller rocker arms--these will add about 15 hp and if you can increase the revs, even more hp as the engine climbs thru 6,000 rpm. To ensure that the roller lifters stay on the cam and keep the hp from dropping off above 6,100 rpm, install an AFR Hydra Rev Kit. This brilliantly designed kit will allow the engine to rev to 6,500 rpm and can help to put those pesky ricers in their place. All of this is within your budget.
Dylan
I took 9T8W66's advice and went for the stall converter. It went from around 1800 to 22-2300 rpm. I improved by 1/4 mile time from 14.07 to 13.677 @ 100.22. I also realized that I desperately need the 3.73 because I was stuck in first for half an hour it seemed.
xXGhosTBirDXx
did you install it yourself?
Dylan
Normally I would, but I decided to have it installed while a new transmission was also being put in. I also got a slight shift kit for that extra little kick.
xXGhosTBirDXx
which kind stall did you get?
Dylan
As far as brand name goes, I have no clue. But its a 2200 stall
Freshbake
That's a small stall. Most people I ask would argue not to go lower than a 3600 to make the money worth it. But hey, now that you have a stall you are ready to cam your car :-D With the auto's a stall is definitely needed for a cam.
Dylan
Thats what I've been waiting to hear. Cams. All right, as far as pricing goes, what would be the cheapest way and what would be a moderately expensive way of going about things?
Freshbake
Camming your car? Well it all depends what you get done along with the cam. If you want to go with just a mild cam, it's not too expensive. If you go too big, you'll be needing new heads and other things, that can get VERY pricey. If you do all the work done yourself, it won't be too much for the amount of power you'll be gaining. A cam will run you between $300-$350 brand new. Members on LS1tech sometimes sell cams used for pretty good deals, maybe check there first? Since you will have the engine apart, it's a good time to add little things here and there if you want. Maybe some new pushrods, lifters, and springs? These aren't too expensive, but they aren't necessary for a mild cam install. However, you WILL need to get your car tuned after a cam install, so that is something that must be factored in. That will run you around $400 depending on where you go. Of course if you get somebody to do all the work for you, that's another story price-wise. I'd say a cam install (including the labor and price of a cam) will run you around $800.
johnniereb
Personally, I would recommend putting in LT4 heads and intake manifold if you plan to do a cam install. They shouldn't be too expensive to find, and are definitely better than the stocker that is on there.
Freshbake
Very good suggestion! I've seen a few of those on ls1tech as well selling for pretty good prices!
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