LT1-LT4 Modifications 1993-97 Gen II Small Block V8

ls1 torque vs lt1 torque

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Old 12-05-2006, 07:53 AM
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good numbers guy! it is nice to see the two compare!
Old 12-13-2006, 05:48 PM
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i agree
Old 12-13-2006, 07:12 PM
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I like my LT1. but haven't had a LS1 beat me yet
Old 12-13-2006, 07:27 PM
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The LT1 has more low-end grunt, good on the streets for **** and git. The LS1's are good on the tracks cause of the ability to get up in rpms and get some good speed and times. It's just newer technology, the LT1 is outdated(even the LS1 is), but they can still kick some *** be it a mustang, or each other.
Old 12-13-2006, 07:42 PM
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I think the LS1's have a better chance in the streets. At the track U only get a little over 100 mph, on the streets u get well over 100 mph where the say the LS1's take over ???
Old 12-13-2006, 08:40 PM
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I trap 110+ at the track..I can get on some of the onramps here and hit well over that.
Old 12-13-2006, 09:09 PM
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I mean in stockish form lol
Old 12-13-2006, 09:17 PM
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Yea..lol I hit 13.89@100 stock, and on shitty tires..
Old 12-13-2006, 09:22 PM
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Thats fast for a stock A4, I want to go to the track soon
Old 12-13-2006, 09:25 PM
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That's cause of my 3320lb fat *** at the time.. now it's what is in the sig.
I can't wait to dyno it, doing that Jan 13. Hoping for over 330rwhp.
Old 12-13-2006, 10:28 PM
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I think its gunna be a little more then that lol
Old 12-14-2006, 12:49 AM
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What, all the stuff I got in it. This is a complete mod list:
4-BOLT MAIN LT1 CORVETTE BLOCK
LS1 AIR INTAKE WITH K&N AIR FILTER, GRANATELLI LID
DE-SCREENED MAF SENSOR
PORT-MATCHED AND POLISHED THROTTLE BODY WITH AIR FOIL
PORTED INTAKE MANIFOLD TO 55mm PORTS
HEADS MILLED .006 INCH, RESULTING IN 52.7cc CHAMBERS
HEADS AND INTAKE MANIFOLD PORT-MATCHED TO INTAKE GASKETS
FELPRO 1074 COMPETITION HEAD GASKETS
EAGLE 5130 FORGED CONNECTING RODS
SPEED-PRO FORGED ALUMINUM PISTONS
ROTATING ASSEMBLEY COMPLETELY BALANCED
CLEVITE 77 ENGINE BEARINGS
MELLING OIL PUMP WITH SOLID INPUT SHAFT
LT4 EXTREME DUTY FULL ROLLER TIMING CHAIN
LT4 HOT CAM KIT:
-LT4 HOTCAM SPECS: 218/228 DURATION, .525/.525 LIFT, 112LSA
-1.6 RATIO LT4 FULL ROLLER ROCKERS
-LT4 VALVE SPRINGS
PACESETTER RACING COATED LONG TUBE HEADERS
CUSTOM COMPUTER FULL RACE TUNING:
-ADJUSTED FUEL/AIR RATIO
-RAISED REDLINE TO 6500RPM AND ELIMINATED SPEED GOVERNOR
-ADJUSTED TIMING AND SHIFT POINTS, SHIFTS AT 6100RPM
-PROGRAMMED IN ELECTRONIC SHIFT KIT
THROTTLE BODY BYPASS
OIL BREATHER BYPASS
RE-DESIGNED COOLANT CROSSOVER LINE
34% UNDERDRIVE CRANK PULLEY
POLY-URETHANE TRANSMISSION MOUNT
LS1 ALUMINUM DRIVE SHAFT
AUBURN PRO-SERIES POSI-TRACTION DIFFERENTIAL
MOTIVE BEARING AND SHIM KIT FOR REAR AXLE
3.73:1 GM DIFFERENTIAL GEARS
LS1 BIG BRAKE UPGRADE
ALL SMOG PUMP PARTS REMOVED, ALL CONNECTIONS PLUGGED
EGR REMOVED AND BLOCKED, TUNED OUT OF COMPUTER
AC SYSTEM COMPLETELY REMOVED, FIRE WALL BLOCKED OFF KEEPING HEAT
1LE AC DELETE PULLEY BOLTED IN PLACE
EIBACH PRO SPRING KIT
SLP STRUT TOWER BAR
UPGRADED WHEELS AND TIRES

Let me know what you think now..
Old 12-14-2006, 03:26 AM
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WOAH thats all I gotta say lol
Old 12-14-2006, 07:18 AM
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Last time it put down 325rwhp, 328rwtq after corrections. I have now a fresh balanced Motor, Aluminum Driveshaft, completely different Intake setup, Port-matched Heads, and a couple of other things. I am hoping for over 330rwhp.
Old 12-14-2006, 10:19 PM
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Chris o'mary thats a ton of stuff!
Old 12-15-2006, 10:28 AM
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The LS1 makes more torque than an LT1, the LT1 just peaks its torque sooner, so at any given RPM the torque between the two will be missmatched.

The Reason the LT1 peaks so soon on torque is because of head flow plain and simple, heck you put a set of ported heads on a stock LT1 and it would perform like a stock LS1.

When you look at the LS1 head cc numbers it is deceiving because the runners IN the head are shorter than on an LT1, so the 170 CC LT1 compared to the 200CC LS1 is rediculous, it would be like the LT1s stock 170 CCs compared to a 210 CC LT1 head.
Old 12-15-2006, 07:14 PM
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what heads were u thinking of maybe AFR and have them ported?
Old 12-15-2006, 07:19 PM
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stock vs stock there is no point anywhere where an LT1 has more torque than an LS1, the LS1 has more torque at any RPM. Is that so hard to comprehend?
Old 12-15-2006, 07:43 PM
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The LT1 picks up like 90% of it's torque in the 2500rpm area..I don't think the LS1 gets it that low..
Old 12-15-2006, 09:16 PM
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Originally Posted by the_merv
What, all the stuff I got in it. This is a complete mod list:
4-BOLT MAIN LT1 CORVETTE BLOCK
LS1 AIR INTAKE WITH K&N AIR FILTER, GRANATELLI LID
DE-SCREENED MAF SENSOR
PORT-MATCHED AND POLISHED THROTTLE BODY WITH AIR FOIL
PORTED INTAKE MANIFOLD TO 55mm PORTS
HEADS MILLED .006 INCH, RESULTING IN 52.7cc CHAMBERS
HEADS AND INTAKE MANIFOLD PORT-MATCHED TO INTAKE GASKETS
FELPRO 1074 COMPETITION HEAD GASKETS
EAGLE 5130 FORGED CONNECTING RODS
SPEED-PRO FORGED ALUMINUM PISTONS
ROTATING ASSEMBLEY COMPLETELY BALANCED
CLEVITE 77 ENGINE BEARINGS
MELLING OIL PUMP WITH SOLID INPUT SHAFT
LT4 EXTREME DUTY FULL ROLLER TIMING CHAIN
LT4 HOT CAM KIT:
-LT4 HOTCAM SPECS: 218/228 DURATION, .525/.525 LIFT, 112LSA
-1.6 RATIO LT4 FULL ROLLER ROCKERS
-LT4 VALVE SPRINGS
PACESETTER RACING COATED LONG TUBE HEADERS
CUSTOM COMPUTER FULL RACE TUNING:
-ADJUSTED FUEL/AIR RATIO
-RAISED REDLINE TO 6500RPM AND ELIMINATED SPEED GOVERNOR
-ADJUSTED TIMING AND SHIFT POINTS, SHIFTS AT 6100RPM
-PROGRAMMED IN ELECTRONIC SHIFT KIT
THROTTLE BODY BYPASS
OIL BREATHER BYPASS
RE-DESIGNED COOLANT CROSSOVER LINE
34% UNDERDRIVE CRANK PULLEY
POLY-URETHANE TRANSMISSION MOUNT
LS1 ALUMINUM DRIVE SHAFT
AUBURN PRO-SERIES POSI-TRACTION DIFFERENTIAL
MOTIVE BEARING AND SHIM KIT FOR REAR AXLE
3.73:1 GM DIFFERENTIAL GEARS
LS1 BIG BRAKE UPGRADE
ALL SMOG PUMP PARTS REMOVED, ALL CONNECTIONS PLUGGED
EGR REMOVED AND BLOCKED, TUNED OUT OF COMPUTER
AC SYSTEM COMPLETELY REMOVED, FIRE WALL BLOCKED OFF KEEPING HEAT
1LE AC DELETE PULLEY BOLTED IN PLACE
EIBACH PRO SPRING KIT
SLP STRUT TOWER BAR
UPGRADED WHEELS AND TIRES

Let me know what you think now..
All those parts, but no stall?

Even a small 2800 would make a big difference in your car


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