Corvette C4 Forum 1984 through 1996

Can someone help? Really important

Old Nov 28, 2007 | 06:31 PM
  #1  
KristinLeigh's Avatar
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Default Can someone help? Really important

I am selling my Father's vette and I believe it is a 1986 Chevrolet Corvette LT1.

People are telling me that it cannot be a LT1. I has to be a TPI.

I am trying to find the owner's manual because I know he had it but over time I have no idea where to look to find it. The car has just been sitting. I did take a picture of the inside of the car though. This is the image I found that said LT1. Is this just a part that someone replaced prior to my father owning it??
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Here is the car:

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Please let me know. I don't know jack about Corvettes. [:@] Thanks in advance.

Kristin
 
Old Nov 28, 2007 | 07:54 PM
  #2  
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Default RE: Can someone help? Really important

Unless the engine has been swapped out, it's an L98 TPI. Someone correct me if I'm wrong, but I think the LT1's came out around 92.
 
Old Nov 28, 2007 | 08:05 PM
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Default RE: Can someone help? Really important

Got an under hood pic? That will tell real quick. Someone might have put that tag there instead of the right one. That front end and rear end are early model C4's.
 
Old Nov 29, 2007 | 06:38 AM
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Default RE: Can someone help? Really important

Regardless of whether it's a really anLT1 or an L98, it looks like a nice car from the picture, and assuming it runs as well as it looks, you should have no trouble selling it. I think rshiver is correct - the LT1's came out in 92. I have a 91 (L98 with 250 hp). The LT1upped the hp from 250 to 300. The "TPI" part refers to "tuned port injection" and was standard on both the L98 and LT1 engines.

If it's really an L98 and you're worried about people being confused when you're selling it, you can swap that plate out on the ashtray cover with the correct one. Mid-America has them for about $15:

http://www.mamotorworks.com/corvette-1-54-1054.html

Good luck!!
 
Old Nov 29, 2007 | 07:13 AM
  #5  
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Default RE: Can someone help? Really important

Mech 259 is right. A picture of the engine would really help. Open the hood and take a look at the top middle of the engine. Are there large curved tubes running towards the sides of the engine? Yes= L98. No= LT-1, I think.
 
Old Nov 29, 2007 | 08:06 AM
  #6  
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Default RE: Can someone help? Really important

Here you go. Thank you so much for all the help so far.
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Old Nov 29, 2007 | 08:08 AM
  #7  
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Default RE: Can someone help? Really important

ORIGINAL: mattisano

Regardless of whether it's a really anLT1 or an L98, it looks like a nice car from the picture, and assuming it runs as well as it looks, you should have no trouble selling it. I think rshiver is correct - the LT1's came out in 92. I have a 91 (L98 with 250 hp). The LT1upped the hp from 250 to 300. The "TPI" part refers to "tuned port injection" and was standard on both the L98 and LT1 engines.

If it's really an L98 and you're worried about people being confused when you're selling it, you can swap that plate out on the ashtray cover with the correct one. Mid-America has them for about $15:

http://www.mamotorworks.com/corvette-1-54-1054.html

Good luck!!
Thank you very much. I'll order the correct one today.
 
Old Nov 29, 2007 | 10:09 AM
  #8  
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Default RE: Can someone help? Really important

ORIGINAL: KristinLeigh

Here you go. Thank you so much for all the help so far.



Thats L98 TPI. The LT1 was redesigned forthe 1992 model year which I have. This is an LT1:

 
Old Nov 29, 2007 | 04:51 PM
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Default RE: Can someone help? Really important

Is it Aluminum Heads or Cast Iron Heads? Can you tell from the pictures?
 
Old Nov 29, 2007 | 06:54 PM
  #10  
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Default RE: Can someone help? Really important

Cast Iron heads. Aluminum heads have center bolt valve covers, steel have edge bolt. The 86 cast iron head tag should say 230 hp and 330 lbs torque. I know, because I have one. The aluminum head engine has 235 hp.[8D]
 

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