C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Whats the main issues with the crossfire

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Old Nov 1, 2009 | 12:27 AM
  #21  
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the main issue with crossfire is this ... it lasted 2 years longer then it should have. The only thing it's marginally better than is the 4 barrel feedback carbs.
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Old Feb 26, 2010 | 12:50 PM
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Originally Posted by 94vettelover2
I do remembering that the injectors were expensive
There are only 2 of them --> and a rebuild by FIC is only $75 each.

That ain't bad IMHO.

Dave H.
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Old Feb 26, 2010 | 03:45 PM
  #23  
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Originally Posted by dchoran
There are only 2 of them --> and a rebuild by FIC is only $75 each.

That ain't bad IMHO.

Dave H.
That ain't bad.But ain't they expensive brand new?Adding to the 84 vette-maybe they will be collectors in the future as thats the first year of the c4 & the only year of the cross-fire in the c4.Plus the cross-fire was only avalabile for 2 years on the corvette.I never had problems with my 84 & it sure was torquey.I would have still have it if I'd known that you could get it into the 13s in the quarter with keeping the cross-fire set-up.I thought there wasn't hardly anything you could do to the
L83 besides cold-air intake & full exhaust.I bet if someone posts pics upgrading their L83 that will be VERY popular.I bet it would draw alot more interest than a similar story/post about an LT-1/4-I know I would be alot more interested since a fast cross-fire vette is rare & rare is coolAnyone want to post pics of quarter-mile,build-up or dyno?I would bet money it would be one of the most popular threads.Anyone agree?
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Old Jun 3, 2010 | 07:13 PM
  #24  
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Originally Posted by 94vettelover2
That ain't bad.But ain't they expensive brand new?Adding to the 84 vette-maybe they will be collectors in the future as thats the first year of the c4 & the only year of the cross-fire in the c4.Plus the cross-fire was only avalabile for 2 years on the corvette.I never had problems with my 84 & it sure was torquey.I would have still have it if I'd known that you could get it into the 13s in the quarter with keeping the cross-fire set-up.I thought there wasn't hardly anything you could do to the
L83 besides cold-air intake & full exhaust.I bet if someone posts pics upgrading their L83 that will be VERY popular.I bet it would draw alot more interest than a similar story/post about an LT-1/4-I know I would be alot more interested since a fast cross-fire vette is rare & rare is coolAnyone want to post pics of quarter-mile,build-up or dyno?I would bet money it would be one of the most popular threads.Anyone agree?
Yes, I agree!

I'm going to look at a SWEET 84 tomorrow night. It's all stock and has 119K on it. The trans took a dump, so it's up for sale for 2K. This is it:



Assuming I buy it, I'm going to get the trans repaired, then take it for a dyno test before I change anything. That way I'll know what I started with.

Of course, the problem from all the haters will be comments like "So what, you spent money on a CFI and made 300hp? My stock LT-1 does that." - or something to that effect.

But that's ok, I'm still gonna do it and document it all like I've done with my MR2 (www.marcmedina.com/MR2.html)

I also have some ideas for the stock intake, but I'll keep that under wraps for now
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Old Jun 3, 2010 | 10:15 PM
  #25  
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Well playedHell of a deal.But,I'm sure it will need more than just a transmission.Keep us updated.I also talked to someone today that had a nice 1990 vette convert. that only paid $5000.I paid $10,500 for mine (1994)
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Old Jun 4, 2010 | 12:50 AM
  #26  
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Originally Posted by 94vettelover2
Well playedHell of a deal.But,I'm sure it will need more than just a transmission.Keep us updated.I also talked to someone today that had a nice 1990 vette convert. that only paid $5000.I paid $10,500 for mine (1994)
He has recpt's for 8K that he's spent on it in the last 2 years. The interior is supposed to be super-clean and the engine runs very well. Tires are new, and I recall that he said the brakes are all-new as well.

I'll see it in person tomorrow night and will take my camera (and my best friend) along.

I'll start a new thread if it continues so that we don't hi-jack this one any further
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Old Jun 4, 2010 | 01:05 AM
  #27  
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Automotive history is constantly being rewritten. With 51,547 sold on an extended production rub - it is pretty obvious that the buying public found the 1984 Corvette to be a very exciting car. By comparison the most evolved C4 only found 21,536 buyers in 1996.

The press coverage of the 1984 Corvette was unbelievable - I'm not sure that any one year model of any new car has yet eclipsed the total number of pages in magazines achieved by the 1984 Corvette,

In many ways the success of that press coverage was overexposure and led 25,995 of them to be made with a unique to 1984 ultra stiff Z51 performance handling package - a lot of people were intrigued by the lure of the 1g of cornering power. Later they were dismayed at how the "race car" suspension wasn't so kind on their back sides.

Although the 1984 Cross Fire was not the low point of Corvette horsepower, things were definitely on the upswing with the L98, ZR1, B2K, LT1/4 that followed.

I think that history will start treating the 1984 C4 much better as more enthusiasts realize what a gateway 1984 was for the future of the Corvette.

Thomas
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Old Jun 4, 2010 | 10:24 AM
  #28  
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What are the main issues with the crossfire setup?
Originally Posted by CFI-EFI
The people that never owned one.

RACE ON!!!
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Old Jun 4, 2010 | 12:56 PM
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Originally Posted by ant-knee470
I have just heard so many people saying that they are JUNK
I think that is in reference to their power rating, not anything to do with their reliability or driveability. It was the lowest power motor to be put in a 4th gen 'vette. It's also the oldest. So it is the first to get "left behind" in terms being passed by the modern performance bar. It has less than 1/2 the horsepower of a new base-model Corvette.

It was also sort of a stop-gap design. Dave McLellan described it as a necessary step to prove that port fuel injection was needed, in spite of the extra cost.

But anyway, while hardly junk, they are what they are. A car that really broke Corvette out of the rut it was settling into, but only the beginning for the C4. I'd have to think one could still have a heck of a lot of fun with one today.
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