ice_man0617

ok so I finally built my 2.8 to the 3.2/3. took it to fontana a month ago and my best out of 3 runs was a 16.61...I know the car can go faster then that...I was running a stock trans that day. I have my new one from monster trans with 1800-2000 stall converter just haven't put it in yet....so question is outside of putting my trans in what can I do on the track to better my time?

fasteddi

iTrader: (2)

Else then boring it out what have you done to the car?

ice_man0617

new 15lbs injectors, 2030 cam and beehive springs from crane, 1.6 roller tip rockers, valve job, pnp the hell out of heads intake and plenums, 3.1 crank with .010 and .030 bearings, waiting to get new tune (currently using jet stage 2 chip), lakewood 70/30 drag struts and 50/50 drag shocks, UMI LCA's, 28 spline aurburn with richmond 3.73 gears, msd, wires, coil and box, underdrive pulley, ac belt bypass, hawks ram air scoops, pace setter headers, and magnaflow exhaust, that's it until I get lca relocation brackets and put my monster trans and torque converter in

fasteddi

iTrader: (2)

Whos doing the tuning? You definitly have a good amount of mods done. Do you have a wideband o2 sensor to read the afr's. If the tune isnt that good you can be loosing out on alot of power.

Also 15lbs injectors wonnt allow you to make too much hp. Arround 170-180ish hp max when they are static. Believe me you dont want to push those injectors to be static too much.

ice_man0617

I'm going to have the guy at fastchip do the tuning for me....he's done a lot of tunes for guys on here from what I've seen. He'll keep doing it until I'm satisfied...and you said a wide band o2...where would I get one of those...and with you opinion on the injectors do you think a set of 17lbs would be good enough or should I just get them from out of a 3.4...because the ones I'm using right now are from accel ( I know they get a bad rep here, but they haven't given me or my friends problems before) and i like their spray pattern.
so with what I have do think low 16s and high 15s are possible?
what ever other advice you have to give me please post it because I'm taking all I can get. you and project know the most!

fasteddi

iTrader: (2)

As for a wideband 02 sensor there is alot of options out there.

Here is a basic one that alot of people run and its easy to just wire up.

http://www.ebay.com/itm/AEM-UEGO-Digital-Wideband-O2-Air-Fuel-Ratio-AFR-Gauge-6-in-1-WBO2-Kit-30-4100-/281313511171?pt=Motors_Car_Truck_Parts_Accessories&hash=item417f978703&vxp=mtr
You can buy it from about anywere including summit but this gives you a idea of the cost and the part number for it. I personally think that a wideband is worth its weight in gold when it comes to wide open throttle tuning.

I bet your car will be alot faster once you dial in a tune. Also you will see then how lean you are or rich.

What ecm do you have on that car?? a 302? Id have to look it up. There something that Ive never messed with. Ive only tuned 165 and 7730.

Have you datalogged the car or will you be datalogging the car as he is tuning your ecm? The reason I ask is because without datalogging or at least getting a wide band in that puppy its very hard to feel the difference when you make changes unless they are very drastic. This will also tell you your injector pulse(if yours are too small) and give you other data that is important such as spark knock.

Heck ya your car could make it to 16 flat or so but the tune will be very important as you have a good amount of mods that fix some of the issues that made the 2.8 so slow in the first place. Your not going to be ungodly fast but in the right air, with a good tune you could break 15s.... which i think is fast for a non turbo non nitrous 2.8/3.1L

ice_man0617

there going to do the tune them selves I wish they were out here but they're not. the tune is going to be based off of what's done to the motor...and how exactly does the wide band o2 work....and do you think I should go get a set of bigger injectors or do you think I'm good. I hope I can get it to run 16 flat. if it hits 15 anything I'm going to be blown out of my mind!

fasteddi

iTrader: (2)

A wideband will tell you your air fuel ratio. Its a wider measurement then a old narrow band o2 sensor such as is on your car now. Its harder to tune wide open throttle when you are aiming at lower air fuel ratios with a narrow band. Basically its the best way to tune the car and really dial in those AFRs. Ive seen cars pick up a half a second in the 1/4 mile just off of tuning the afrs because all the mods they did leaned out the car alot. Granted you have a MAF sensor set up and not speed density but it still helps to really make sure that it is what you want the afrs to be.

A bigger set of injectors wouldnt hurt as you can always tune the cars fueling down(telling the ecm that your injectors are larger then stock) But if you can datalog, it will tell you instantly as you can see the injector pulse and then see how hard they are working and if they are open almost all the time (static).

ice_man0617

sorry I never responded back fast...never got the notification on for it...so what exactly are the cons and pros to a MAF and MAP?