And there it is folks. The "final word" from a real professional. Nice one, Jeff. I notice that you STILL haven't answered any of my questions.

I sense the presence of a :

 

It runs just fine with a 305 tune and injectors. Only changes to the fuel system were a TPI fuel pump & instead of running at base 0degrees timing was set at 6degrees base.

 

he konws what he is talking about.. he is using an air foil for its looks..

 

My 400 "ran fine" too. Take it to a track or dyno. You currently don't know what you're talking about, unfortunately, and your car doesn't run as good as you think it does. How could it? Apply logic, reason, and knowledge of engine operation and it's obvious, why there is no way, that motor runs as well as you think it does. You claim to be making well over 200hp with calibrations for 170hp. Pipe dream.

Your "TPI pump" didn't do a thing for you, unless your original pump was failing. The timing did as much for you as the same timing adjustment of the '82 'Vette would do -a lot.

 

ROTFLMAO!!! That was awesome.

 

I stand corrected then...

Do I dare ask just how you calibrated the ole SOTP dyno?

 

Keep grinding. You will be finished when you are satisfied you have done enough. I never was convinced I had done enough, but at some point, it pays to stop and test it. I don't dare touch it. I thought my test results were more than could be reasonably expected. I picked up better than a half (closer to 2/3s) of a second in the 1/4 mile.

Some people that are really into cars, dig them for their mechanical wonder and want to know what makes them tick. Inquisitive minds what to know "How". Once they believe they have a handle on the "How" they are better equipped to improve on any aspect they deem could benefit. And with the understand of how it works it is easier to make it work better. That applies to any aspect of operation; power, performance, handling, economy, any trait or characteristic you care to name. To have improvements buy purchasing them is one thing, but without the aficionado, the tinkerer, the true hobbyist, there would be nothing to buy. Because there is little commercial opportunity to exploit due to low production numbers, the person that doesn't care to know, only buy, will have a hard time getting a Crossfire that is much better than stock. For some, if you can't buy it, it can't be had. For others that is the starting point; the challenge. I have long said that because of the lack of readily available "cookie cutter" prefab aftermarket parts, that the Crossfire was a "thinking man's" car. If one is not properly equipped, stay away.


Of course everyone is entitled to his facts. But some of the opinions expressed are faulty and without basis.



And now for his next trick... Mr. jeffp1167 will walk on water.

RACE ON!!!

 

its probably better if you didn't know..lol

 

so you datalogged and custom burned a chip for the stock ecm?

 

would you just stfu up and drop it.. grow up. you have been proved wrong by facts.. jump in a lake. nobody cares about your opinion cause you can't back it up with any evidence.

 

Just noticed your from Rhinebeck?
I'm up in Albany

 

To the OP,
Nice job on the porting, if I had to do it all over again I would've ported mine rather than buy the Xram. (no longer available). And gains would have been either equal or better....

 

yes i am from there originally, i am currently living in myrtle beach, sc.. my brother lives in waterford. there is a ton of vettes up in your area.

 

Where can I find the long cutting bits. I will search, but if someone has a source I'd gladly accept the assistance.

I got some bad news today, I was going to take the ol' '84 and put her on a dyno before I did my winter mods but when I called the shop they informed me that they sold their dyno! oh man I'm bummed, I really wanted to have some empirical data on what kind of performance increase I'll see. I'm not giving up I guess I'll have to take a road trip to find a shop, oh well gotta do it because I know my SOTP dyno has never been calibrated

Again, thanks for the help, very much appreciated!

 

summit or jegs has them. might check home depot or maybe harbor freight too..

 

Thanks, pr0zac, I'll check 'em out.

 

No, and no. Did you read my earlier posts? "Stock ECM and chip". Not sure if I should waste my time explaining what I DID do. Should I? If you're genuinely interested, I'll talk about it. If you are only interested in arguing, I'm not.

 

2 seconds? what are you in the high 12's? So you are saying you added about 200 hp to your crossfire? They say !0 hp for every .1 second reduction in 1/4 mile time. I hate to do this but I call You have 12 second time slips? Not cool. Please come back to earth, was your 1/4 mile setup on the moon to get those results.

The OP is asking for advice not pipe dreams, please don't

Please don't think you will shave 2 seconds off your 1/4 mile with a port job, torque converter and headers. We want good honest posts not

 

dual toilet bowl injection I never heard that one. We all know the problem with this system and why GM made it suck to make the TPI look better, but that dual toilet bowl thing is to funny. I will be reading more of your posts, you call them like you see them.

 

I agree, I had a z28 with a carb and it would haul @$$ compared to the crossfire, and actually haul 3 times as much @$$ with the back seat, I rocked that z28 hard with the ladies.