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

L98 vs. LT1

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Old Jan 17, 2003 | 01:46 PM
  #21  
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Default Re: L98 vs. LT1 (Red84CrossFire)

I have a 91 Convertable (L98) i used to own an 84 4+3 car (L83 engine). To be honest i did not notice a huge difference in performance between the two motors. I mean yes the 91 is smoother and a little faster but i was underwhelmed the first time i drove it and it did not blow my 84 away. Same thing i noticed with my L98 and the LT1's. I have driven many and can not really tell much difference. I know there is a difference but i don't personally think there is enough of a difference between a 91 L98 and a 92 LT1. I had the opperitunity to buy either my 91 vert in pristine condition for the same price almost as a 94 coupe on the lot that was in good condition but not perfect. I went with the 91 and have no regrets. Thats my 2C cents. I'd rather have what i consider the most refined 1st gen SBC vs. the first year of the new design. I'd be happy with either if i were you but i am glad i got what i did.
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Old Jan 17, 2003 | 02:17 PM
  #22  
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Default Re: L98 vs. LT1 (a1970stingray70)

Its a matter of preference but I was told the newer the vette the better.
:steering:
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Old Jan 17, 2003 | 04:09 PM
  #23  
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Default Re: L98 vs. LT1 (a1970stingray70)

Try searching on this subject, it has been covered a lot of times. This is a heated subject and it doesn't need to be rehashed over and over.
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Old Jan 17, 2003 | 04:19 PM
  #24  
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Default Re: L98 vs. LT1 (dgoodhue)

Try searching on this subject, it has been covered a lot of times. This is a heated subject and it doesn't need to be rehashed over and over.
:withstupid:

Agreed. Time to move on.
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Old Jan 17, 2003 | 04:48 PM
  #25  
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Default Re: L98 vs. LT1 (Steel Blue 91)

Spend a weekend Permatex sealing and adding '96 vent-purge to the '92-'94 early OptiSpark unit for $17. Plugs take about 4 hours every 30K miles, if you have a 3/8" swivel head ratchet and you're admiring your work and being extra careful so you don't damage the wires. The LT1 will need a new Optispark around every 100K mi, if it's properly modified to prevent fluid penetration and H2O moisture build-up. A smart owner will use an Optispark replacement/mod project as a no-brainer opportunity to change plugs and wires.

I'm not sure a weekend of work to correct the Optispark weaknesses and 4 hours every couple years for a spark plug change would sway my vote either way.

I think it'll take a ton more labor than I described above to add 50 HP to a L98. Many folks add cat-back, intakes, TB's, gears, heads, cams and even swap trans to close the gap. Of course, you typically get what you pay for. The '86-1/2 cars are real cheap, assuming you are satisfied with stock performance & you're not going to dump a bunch of $ and labor for mods into it. Let's not forget that modifying clean, stock Corvette of either type will not significantly increase it's value. Modifications are a poor monetary investment. From a resale perspective, if you want LT1 (or early C5) acceleration, you should buy an LT1 (or early C5) respectively, in order to minimize labor and recoup your investment at a later date.
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Old Jan 17, 2003 | 09:30 PM
  #26  
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Default Re: L98 vs. LT1 (Drewdog)

I don't think the General would have designed the LT1 with the intention of it being inferior to the previous engine
No...they sure would not. :cheers:

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Old Jan 18, 2003 | 08:38 AM
  #27  
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Default Re: L98 vs. LT1 (Zora)

I've said it once and I will say it again. Buy a LT5 and have the best of both worlds. Plenty of low end torque for those stoplight warriors and upper RPM horsepower that is second to none.
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Old Jan 18, 2003 | 08:58 AM
  #28  
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Default Re: L98 vs. LT1 (Zora)

I don't think the General would have designed the LT1 with the intention of it being inferior to the previous engine
No...they sure would not. :cheers:
Try searching on this subject, it has been covered a lot of times. This is a heated subject and it doesn't need to be rehashed over and over.
:withstupid:

Agreed. Time to move on.
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Old Jan 18, 2003 | 01:10 PM
  #29  
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Default Re: L98 vs. LT1 (BiZ)

I've said it once and I will say it again. Buy a LT5 and have the best of both worlds. Plenty of low end torque for those stoplight warriors and upper RPM horsepower that is second to none.
Hey! We're trying to keep the discussion under 300rwhp here
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