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Add 100 HP to Gen III Small-Blocks

4,800 330 303 343 314 366 337 369 338 +39 +35
5,000 324 309 335 320 363 346 368 353 +44 +44
5,200 316 313 324 322 360 357 365 363 +49 +50
5,400 302 311 314 323 356 366 361 371 +59 +60
5,600 288 306 - - 348 372 356 379 +68 +73
5,800 271 300 - - 340 376 348 385 +77 +85
6,000 257 294 - - 330 378 349 401 +92 +107
6,200 - - - - 318 376 345 409 - -
6,400 - - - - 305 374 337 411 - -
6,600 - - - - - - 329 413 - -
6,800 - - - - - - 314 408 - -
Peak
Power
345 313 355 323 366 378 369 413 +24 +100

Component List
Description Manufacturer Part Number
Camshaft, mild hyd. roller LPE GT2-3
Camshaft, aggressive hyd. roller LPE GT1-1
Steel roller rocker stand LPE LPE-RKR-STAND
Pushrods, Hi-Tech Comp Cams 7950-16
Valvesprings, beehive, LS1 Comp Cams 26918

Gen 3 Small Block Ls1 Springs
Installing the valvetrain... 
   
  read full caption
Gen 3 Small Block Ls1 Springs
Installing the valvetrain is simple since the rocker shaft system does not require setting lash like on the old small-block. Just line up the roller rockers with their pushrods and torque it all in place.

Dyno Bob also installed a new set of Comp Cams beehive LS1 springs when he changed the camshaft to ensure we wouldn't have any valve float problems. As it turned out, we spun this engine as high as 7,200 rpm at one point and the power curve was extremely stable.
Comp Cams
800.999.0853

compcams.com
Lingenfelter Performance Engineering
Decatur
IN
260/724-2552

www.lingenfelter.com

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