LT1 vs L98
Registered User
Joined: Sep 1998
Posts: 8,319
From: US 1 Mile Marker 52 in the Florida Keys
in what way?
which one is better? well that depends on what you consider "better".
the L98s make stupid torque down low, and fall flat on their face in the upper rpm.
both can be modded into pretty respectable engines.
some will tell you the L98>LT1 based solely on the fact that the LT1 has the opti-spark....ie...opti-crap, opti-****...
which one is better? well that depends on what you consider "better".
the L98s make stupid torque down low, and fall flat on their face in the upper rpm.
both can be modded into pretty respectable engines.
some will tell you the L98>LT1 based solely on the fact that the LT1 has the opti-spark....ie...opti-crap, opti-****...
Registered User
Joined: Sep 1998
Posts: 8,319
From: US 1 Mile Marker 52 in the Florida Keys
agreed.
although the LT1 makes better power up top than the TPI motors. you can make good power to 6000rpm on an lt1....good luck getting power much past 5000rpm on a tpi.
BUT, if the car is set up right that drawback isn't always a bad thing. it makes for a great street car. short races don't need much top end. and same thing for 1/8th mi tracks.
my old 87 IROC 305TPI would hurt feelings on the street in short races. but by the end of 2nd gear (if i remember correctly) if i wasn't ahead...i wasn't gonna GET ahead.
although the LT1 makes better power up top than the TPI motors. you can make good power to 6000rpm on an lt1....good luck getting power much past 5000rpm on a tpi.
BUT, if the car is set up right that drawback isn't always a bad thing. it makes for a great street car. short races don't need much top end. and same thing for 1/8th mi tracks.
my old 87 IROC 305TPI would hurt feelings on the street in short races. but by the end of 2nd gear (if i remember correctly) if i wasn't ahead...i wasn't gonna GET ahead.
Registered User
Joined: Jun 2003
Posts: 97
From: Oklahoma City
Most stock LT1 cars will walk a stock L98 car. However, some races are so close that it simply becomes a drivers race. A strong running Formula 350 with 3.27 gears and no options could quite easily outbest a tired LTI car with 2.73's.
Registered User
Joined: Mar 2000
Posts: 162
From: St. Louis, MO
l98-all low end torque no hp
lt1-some low end torque some hp
ls1-no low end torque all top end hp
It's like super mario bros 2 on the old nintendo when you could pick luigi that could jump the highest(l98 off the line) or toad man that ran the fastest(ls1 on the top end), or mario that didn't do anything the best and was kind of the middle ground.(lt1)
How's that for an analogy
lt1-some low end torque some hp
ls1-no low end torque all top end hp
It's like super mario bros 2 on the old nintendo when you could pick luigi that could jump the highest(l98 off the line) or toad man that ran the fastest(ls1 on the top end), or mario that didn't do anything the best and was kind of the middle ground.(lt1)
How's that for an analogy
Registered User
Joined: Sep 2003
Posts: 340
From: Roanoke,Virginia
I would say yes if they had a comparable transmission. Mine used to get 28 with the A4 and 3.23 gears on the highway at 70 mph.
With a 6 speed I wouldn't be afraid to say it would have gotten 30. This would have been when it was stock of course.
Registered User
Joined: Jul 2002
Posts: 3,768
From: Friendswood, TX, USA
Registered User
Joined: Aug 2006
Posts: 578
From: Cheektowaga, NY (Buffalo)
l98-all low end torque no hp
lt1-some low end torque some hp
ls1-no low end torque all top end hp
It's like super mario bros 2 on the old nintendo when you could pick luigi that could jump the highest(l98 off the line) or toad man that ran the fastest(ls1 on the top end), or mario that didn't do anything the best and was kind of the middle ground.(lt1)
How's that for an analogy
lt1-some low end torque some hp
ls1-no low end torque all top end hp
It's like super mario bros 2 on the old nintendo when you could pick luigi that could jump the highest(l98 off the line) or toad man that ran the fastest(ls1 on the top end), or mario that didn't do anything the best and was kind of the middle ground.(lt1)
How's that for an analogy
That was an AWESOME analogy!
Registered User
Joined: Dec 2006
Posts: 1,406
From: Philaduhphia
3rd Gen Tech Moderator
Joined: Jun 1999
Posts: 780
From: Orange County, CA
An LT1 engine is basically an L98 engine with slightly better heads and a lot better intake manifold.
Upgrade the TPI intake manifold and put larger runners on it, or install an Accel SuperRam or Holley StealthRam, and you've got the same power as an LT1.
Upgrade the TPI intake manifold and put larger runners on it, or install an Accel SuperRam or Holley StealthRam, and you've got the same power as an LT1.
Registered User
Joined: Oct 1998
Posts: 189
From: jackson, ohio, usa
Wow. Best I can get with my 89 is about 22 if I coast down hill etc. Anyone else get exceptional mileage with an L98? Maybe I need to get after my tuning?
Registered User
Joined: Aug 2005
Posts: 4,405
From: Kantuckee Yo'
l98-all low end torque no hp
lt1-some low end torque some hp
ls1-no low end torque all top end hp
It's like super mario bros 2 on the old nintendo when you could pick luigi that could jump the highest(l98 off the line) or toad man that ran the fastest(ls1 on the top end), or mario that didn't do anything the best and was kind of the middle ground.(lt1)
How's that for an analogy
lt1-some low end torque some hp
ls1-no low end torque all top end hp
It's like super mario bros 2 on the old nintendo when you could pick luigi that could jump the highest(l98 off the line) or toad man that ran the fastest(ls1 on the top end), or mario that didn't do anything the best and was kind of the middle ground.(lt1)
How's that for an analogy
Its more like Super mario cart on the SNES.
L98=Toad
LT1=Mario
LS1=Donkey Kong
