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

LT1 Dyno Archive

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Old 09-14-2009, 08:12 AM
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463 rwhp SAE, big stall A4, mods in sig, on a Land and Sea Dyno. Still working out the kinks!!!

Made that power with a burnt plug wire and number 2 cylinder leaking compression into the coolant system. Old head gaskets with 13.2:1 CR. New gaskets running at 13.9:1 CR, back to the dyno soon.

Last edited by quik95lt1; 09-17-2009 at 07:43 AM.
Old 09-17-2009, 04:16 AM
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96 LT1 Z28 w/ magnaflow 3" cat back and K&N CAI

293hp/311tq

Quick question. What would be more beneficial for low end power and grunt, LT4 hotcam kit, Comp cam kit? I'm looking to pick up 20-30+ hp. but I don't wanna start tearing things apart and changing things around. Any help making my more decissive would be appreciated. Thanx
Old 09-17-2009, 07:14 AM
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just get a custom grind, the hot cam is old technology
Old 09-17-2009, 01:41 PM
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383 lt1... 10.13 et.... goin in the single digits by time this winter's over with.... Southern End Performance.
Old 09-17-2009, 07:54 PM
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Originally Posted by x10secondzx2
Stock motor with long tube headers and custom x-pipe exhaust.
322whp 343wtq
Thats one hell of a tune and probably a m6. Strong *** numbers.
Old 11-02-2009, 02:48 AM
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Originally Posted by BizZzatch350
I made 256/294 stock, car ran 9.1@78 all stock down to the paper filter, only had 41K miles on it.
um....call me crazy but 9 secs at 78mph doesnt sound right.
Old 11-03-2009, 03:18 PM
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Originally Posted by papapayne
um....call me crazy but 9 secs at 78mph doesnt sound right.
OK, I'll call you crazy. LOL He probably thought people could figure out it was a 1/8th mile track.
Old 11-11-2009, 01:04 PM
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'94 Firebird A4
LT headers, Ypipe, CAI, 52mmTB, LE1 heads and cam, 1.6rr's, stock drivetrain, and dynotune.

330rwhp/371 tq

Pulls hard for mild setup, can't wait to install bigger gears and stall.
Old 11-15-2009, 01:59 AM
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385 LT4
13.0 Compression
Solid Roller Custom grind
Dart LT1 Pro 1 heads, CNC by Bauer Racing Engines
Kooks , XFI, Converted Jessel Belt Drive, T&D rockers, Manton ,
Converted Vic Jr E

T-56
Moser 9"
4.71 Gears
28x10.5S MTET Drag's

E-85

541rwhp 463rwtq
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Old 11-30-2009, 06:08 PM
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94 Z-28 M6

383 LT1, Diamond 11.6:1 forged pistons, forged eagle rods and crank, 52mm holley TB, 1.6 Crane Gold Race RRs, Moroso CAI, Stock untouched heads and intake, all coated bearings, meziere EWP, no A/C, no Pwr steering, spec billet flywheel and 3+ clutch, 4.10s, 2975 lb car.

338rwhp, 392 tq. hp numbers seem a little low to me.......

Last edited by NSTIGATR; 01-25-2010 at 06:46 PM.
Old 12-01-2009, 01:03 AM
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stock it put down 262whp/285wtq.

290whp/325 tq mustang dyno
k&n cai
B&M short throw
160* t stat
Jet hot long tubes headers w/locking header bolts
borla cat back
o2 extensions with ac delco o2's
no cats/egr/air
MSD 8.5 mm wires
LS1 D.S.
Spec stg. 2+ clutch
SS rims with Nitto drag radials
UMI lower control arms&panhard bar
Trifecta mail order tune
Old 12-10-2009, 09:42 PM
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Just picked up a '97 TA tonight and threw it on the dyno. As far as the previous owner know the internals are stock since he bought it in '01.
Moroso CAI
Mac mids w/ORY
Borla catback with cutout closed and through muffler
MSD wires and I think AC Delco platinum plugs
LT4 knock module
MSD 6a box
Aluminum elbow
IAT relocate
Original opti
Stock tune
Underdrive pulley


Made 274hp/306tq with 155k on the motor. It started breaking up over 5100.

Last edited by chevymec; 01-17-2010 at 07:58 PM. Reason: Added more mods that are on the motor.
Old 12-14-2009, 09:07 PM
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95 355ci lt1
m6 trans, 1-5/8th shortys, msd 8.5 wires, CAI w/ k&n filter, 1.6 RR's, ported intake, 218/226 .510 erson cam, catback flowmaster

250whp/300wtq

my air/fuel ratio was idle at 16.1 and at 4500 rpm, leaned out severly....need to upgrade my fuel pump. what do you think it should make with a dyno tune?
Old 12-14-2009, 10:21 PM
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Originally Posted by NSTIGATR
94 Z-28 M6

383 LT1, Diamond 11.6:1 forged pistons, forged eagle rods and crank, 52mm holley TB, 1.6 Crane Gold Race RRs, Moroso CAI, Stock untouched heads and intake, all coated bearings, meziere EWP, no A/C, no Pwr steering, spec billet flywheel and 3+ clutch, 4.10s, 2975 lb car.

336rwhp, 386 tq. hp numbers seem a little low to me.......
untouched heads need to be worked on and paired with custom grind cam
Old 12-31-2009, 05:49 PM
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How about we compile a condenced list in here
Old 01-03-2010, 07:29 PM
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baseline stock 97 m6 cut out cai 187xxx ran a 14.06 baaaad 60. 236/242 612/612 111lsa le2 heads. full bolt ons 36lbs. 4;10 stock 10bolt. well see!!!!!!!
Old 01-17-2010, 07:50 PM
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Originally Posted by llorracs93s10
95 355ci lt1
m6 trans, 1-5/8th shortys, msd 8.5 wires, CAI w/ k&n filter, 1.6 RR's, ported intake, 218/226 .510 erson cam, catback flowmaster

250whp/300wtq

my air/fuel ratio was idle at 16.1 and at 4500 rpm, leaned out severly....need to upgrade my fuel pump. what do you think it should make with a dyno tune?
ok i am pretty sure i found out my problem. Put a fuel pump inn the truck, walbro 255 pump and WOW did it give it some power. Still a mail in tune, but it definatly pulls farther than the time i took it to the dyno n it had the issues above ....at 4300 rpms it leaned out big time, shot up like crazy

So what do you think i should be at power wise? the guy that did the swap says that i should gain a easy 20-25 hp from this fuel pump alone since it was choking the motor with the old pump.

Any chance 300whp/330wtq is possible with my setup?
Old 01-20-2010, 12:35 PM
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92 RS Vert, LT1/T56 Hot Cam, Long Tubes 3" TD NA made 317rwhp and 301rwtq on the 150 shot made 456rwhp and 552rwtq
Old 01-21-2010, 12:23 AM
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Originally Posted by roadtrip120
385 LT4
13.0 Compression
Solid Roller Custom grind
Dart LT1 Pro 1 heads, CNC by Bauer Racing Engines
Kooks , XFI, Converted Jessel Belt Drive, T&D rockers, Manton ,
Converted Vic Jr E

T-56
Moser 9"
4.71 Gears
28x10.5S MTET Drag's

E-85

541rwhp 463rwtq
Wow with that much torque and that high a gear, must be fun. Incredible
Old 01-24-2010, 12:50 AM
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Here are my numbers. Mods are in sig, these are through the stock y with stock cats with 200K on them. Also my car is an A4

256 rwhp/296 rwtq on a Dynojet


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