I heard that TPI's with 5 speeds are 1: somewhat uncommon, and 2: almost as quick as L98's. How true are those statements. I found a good looking IROC near me with a 5-speed
1990 IROC 305TPI 5 speed

Also, what camaro's came with out ground effects - just sport coupes and berlinetta's, right?

 

A 90 IROC 305/5-speed is almost as quick as the 350. A 1990 IROC in itself is somewhat uncommon and yes LB9 5 speeds are also somewhat uncommon.

Berlinetta's and LT's came without ground effects, if Im not mistaken. SC's came with ground effects.

 

Thank you.

 

I'll generalize a little with this statement.

Almost half of IROCs are 350's. THe other half is split between 305/autos and 305 5spds.

Unfortunatley we do not know those numbers. But the 5 spd cars are much more fun to drive then a slushbox.

 

One more thing- I LAUGH at people, mostly classifieds that describe a 350 IROC as rare!

Yeah....only 50% of 2X,XXX had the 350

 

I personally see alot more 5.0 IROC's than anything. It might just be my locale...

John

 

Actually sport coupe only received ground effects in 88. From 82 thru 87 they did not. After 88 the stport coupe did not exist (replaced by the RS)

 

50% were 350s my ***.

There were 166986 IROCs produced. 39006 had the 350. That translates into 23.4% of the production.

 

I'm gonna check that!

 

Okay I checked and I'm pretty close. 44% of IROCs had 350s.

I had to think about this and how we disagree in our numbers. Your are probably counting all years of IROCs VS # of 350 cars produced. (85-90)

I am counting all years of 350 cars that were produced, WHEN it was available, 87-90.

Here's how I got my answer.

I only count 87-90. 4 years, because that's the years that the 350 was AVAILABLE (key word)


I mean you could count 85-90 and come up with that
23% but it's a little misleading.

WHEN the 350 became an option, (87) 44% had it.
Hey, I guess that makes us bothe right We just count different.

 

well, I just stated the facts as the comment was originally presented, which was incorrectly stated.

But... even with 87-90, your math is still off a tad. 40.5% of them had the L98 from that period. 96,224 IROCs, of which 39,006 had the L98.

But... since there were more IROCs built in 86 than any other year, and none had the 350, it's hard not to factor those (and the 85s) into the equations. When you see an IROC go by, the odds are still 75% in favor of it being a 305.

 

Hmmm... I came up with 87,219.....coupes- since vert's never could get the 350, all I counted were
coupes

 

Jeez dude. Why don't you just discount all of the 305 cars too? Then 100% of the 350 IROCs came with the L98.

 

I would lean towards Jim's way of calculating the percentage of 350 IROC's. The total production run for the IROC wasn't that long in relation to automotive history, so most enthusiasts (not die hard third gen fans like us) consider them as a group, and not on a per model year basis. Take the following for example; if you were to say that out of ALL Corvette's ever made, 1953-2002, there were only XXXXX that had a 427 in them, that would be misleading because there were far more years that the 427 wasn't available than there are years that it was. With IROC's, a 350 was available for most of the production run.

Man my head hurts after proof-reading that!

 

HOW the helll can you include verts if they WERE NEVER availbable witht the 350? Then 100 percent were 305s. That's totallly corrupting data to make 350 cars look less plentiful then they are. Whatever.


You know I asked 2 people off the top of their head and they agreed with my way of calculating. So there.

In said in one of my earlier posts WE WERE BOTH RIGHT- I didn't diss you at all- UNLIKE you.

Back to Buck268 question. He was asking aobut TPI 5 spds- first year availbe was 87, same as 350.

If 44% of IROCs had 350/autos and the rest were split up between TPI 305 autos, TBI auto, TBI 5spd
and TPI 5spd (except 90 when they dropped the TBI)
then the 350 gets real common.

Hey, lets just agree to disagree. You know what?
Forget you are right I am wrong- happy now?

 

Iroc22 my 89 Formula has the LB9 with 5speed

 

Was the (NON-IROC) Camaro Z-28 available with the 350? If so this would make this argument null, since it would be impossible to determine the exact number of 350's produced with the IROC package.

John

 

That would be a no okfoz. (Unlike the Firebirds, where you could a 350 Trans Am, 350 GTA and 350 Formula).

I thought about this a little more, here's what I came up with. <white flag rasing>

If you wanted to figure out a percentage of 350 IROC's ever made you can ceratinly use 85-90.

If you are looking to buy a 350 IROC, you have to
look at 87-90 cars, and then you will find 44% of them were 350's. You cannot include converts in that because there is a zero chance you will find one.

Deal? Like I said were both right.

 

my '87 Formula WS6 has the LB9 305 and 5-speed too, i love it, and its pretty darn quick too!

 

ScreeminFormula, nice avitar... I wonder where that came from...

My 2nd Formula has that setup tho, 5.0 TPI with 5 speed

John

 

yea thanks, sorry, i just saw it and fell in love with it, where did you get it originally and are there any more similar to it?

 

I didn't get the avitar anywhere I made it myself...

I don't care, but now I have to make a new one...gives me something to do...

John

 

how do you get the Formula graphics, do you just scan them and work with them? i will make the new one, i was wrong to steal yours.

 

Thats ok,
Yes thats close, Actually I scan them, trace them in Corel Draw, and then I can manipulate them however I want.

John

 

screaminformula,
What color is your car and I will make you something quick..

John

 

my car is primer/blue at the moment but i want to paint it black with red Formula graphics. so i guess you could use black/red? thanks a lot man

 

hey i just thought of something. okfoz, you should add that article i found to your website. the one about the history of the trird gen Formula. it is very informative and i don't think there are any restrictions on using it. here it is in case you forgot it:www.goingfaster.com/spo/formhist.html