like it says a cracked the 14.5s check it out

mods since the 14.70@91mph

Lakewood Rear Lower Control Arms,Lakewood Panhard Bar,i put the stock 16 inch RS rims back on the car with 225/50ZR16 on the front and 255/50R16 BFG Drag Radials on rear.Also i removed the rear seat just for the night (dont worry its back in now )

here ya go

R/T-.635
60'-1.902
330-5.936
1/8-9.306
MPH-74.59
1000-12.157
1/4-14.561
MPH-93.81

now i think its time i got into the inside of the motor

 

Hey great times! Does your sig say you are running the holley 670 with an otherwise untouched motor.

 

... on LO3 heads/intake and peanut cam... hellooooooo nurse.

 

yep its the 670 for the TBI 350 Trucks

 

Don't you have some severe idle and fueling problems with it? Or have you changed all that in the chip?

 

Awesome times!!! Your 60' are amazing..that thing can really hook. Hey, when I sell my fourth gen I may hit you up on the sell of your car!!! Congrats on the times.

 

Shifty-when i put the unit on the car it did have some problems as in too much fuel and it wouldnt run right.

On the TPS on the throttle body there is a little metal bar the moves back and fourth and the unit.what i did was take that bar and hold it to wide open throttle with the engine off and take a small zip tie and tie it to the unit

after i did this the unit worked just fine oh BTW the TPS plug was the only plug that was different i had to get the plug for a 91 1500 pickup

but i can say i got 2 tenths from the unit it went from a 15.3 down to 15.1s

 

It would be neat to see some times with some chip tuning and an intake that won't cause turbulent flow with that TBI unit on it like the stock one does. I bet you would really be suprised.

 

wasnt that site called like tbichips.com or something like that???

 

Yes it is but you will find better results doing it yourself. I would start to datalog and see what can be improved on.

 

what do you mean by datalog????

im a hillbilly so im not to much on the pc

 

Check out the sticky and DIY board for more details. It is basically free software that you use on a laptop that is plugged into your cars diagnostic port. As you drive your car you can get good info on what your computer is doing. You can see if you are rich/lean as well as map values and spark values. If they are off than a new chip has to be burnt. A few mods is enough to justify a new chip for these cars.

 

gotcha

 

Was your original unit an ultimate TBI? Did you do any other mods to the 670?

 

Dennis, I am extremely jealous. I have a bunch of mods and I am only at 16.210. But I do expect it to get better with more tuning. I have another new chip coming this week. If I get it before 5pm on Wednesday, I will take the Camaro to the track on Wednesday night and get some new times.

 

yeah im affraid of the day i throw some internal mods

i have no experience with chip burning and the car is running so damn good with the bolt ons

John-my stock unit just had 350 injectors and a injector spacer from Turbo City and i bought the holley unit from jegs and stuck it on the car

 

How did you adapt the Holley 670 to the stock intake?

Steve

 

the unit comes with an adapter plate thats about 1/4 think the bores go big then narrow down to the same size bores as the intake

 

Ever thought about modding both the adapter and the intake a little for a little more flow? Not all the way to 2" but more than stock.

Steve

 

He should only if when he adds heads and cam. With the stock tune he will have a fit with 2" bores and the stock internals.

 

Well I didn't say bore it to 2" but just more than stock, say to an 1-3/4"s or 1-13/16"s. That shouldn't be too much for a 14.5 sec. car. Maybe up the fp a pound or two, just have to experiment with it some.

Steve

 

It would deffinately be interesting to see. I would love to see what a little chip work would do to his times. I bet he could add a mph or two. Dewey dropped almost a half second off his ET with the stock guts with tuning and a cat back.

 

correction.

i had the catback on the whole time

and I ran 15.1 @ 92 last time i was at the track. (with headers)

that is 2.3 seconds faster than the 17.4 i ran at the begining of last year.

the cam is going back in, along with the wieand intake this week. as soon as i get the machinework finished on the heads, the will go on.

13's here i come!

 

The gain from the 670 may have been due to the fact you were using 350 injectors on the stock throttle body.

 

The stock TBI intake isn't too bad. They are a highrise design(atleast the one I have). You can see from one side to the other through the runners. You could have the factory intake(junkyard would be a good source for a spare) holes bored to 2". There is plenty of meat there and I have seen many bored to 2". You can sometimes find them on Ebay cheap.

Whats wrong with using the 350 injectors in the stock throttle body. The 350 has the same throttle body as the 305, just the injectors are different. In fact the caprice 9C1 305 uses 350 injectors and the 9C1 350 uses the higher flow rate injectors.

 

There is nothing wrong with using 350 injectors but you really need to make changes in the chip to avoid running horrendously rich at idle and part throttle applications.

 

The fact that he has a stock internal 305 tbi. 305 injectors are all that you need and I'll bet he was running pretty fat with the larger 350 injectors. I really don't understand why people go and start changing things like injector sizes on a stock 305 tbi because all it will do it slow you down.

 

exactly, so why go with 350 injectors in the first place? The 305's are just fine. All going to larger injectors will do is make you run way rich and cause you to either run slower or have to make big changes in the chip.

 

Correct. You can take the stock injectors really far. You can easily have a heads and cam combo and get away with them. Not a good idea at that point but it can be done with the right tuning.