John Bzdel's LS7/T56 1988 Monte Carlo SS

680 RWHP stock short block LS7 on 92 octane pump gas!

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Stock as installed                                                Modified with Sheet metal intake

 

Current Vehicle Description:

·      Black original paint/Grey Interior

·       Goodmark cowl induction hood

Engine:  Click here for the original LS1 swap journal.  The LS7 was dropped in during the spring of 2006.

·      Stock GM Z06 LS7 short block

·      0.040” Cometic MLS head gaskets (11.79 SCR, 8.84 DCR)

·      GM Stock ignition coils and plug wires, NKG TR6iX spark plugs gapped at 0.040”

·      Stock GM LS7 heads hand ported by Greg Good

ü 400 CFM intakes

ü 250 CFM exhausts

ü 66cc combustion chambers

ü 277cc intake runners

ü PAC 1.55” Springs 640/240lbs

·      Solid Roller Cam by Bullet Racing Cams (click here for idle link)

ü 258°/273° @ 0.050”; 112° 4° LSA, installed 108.5°

ü 0.781” intake / 0.747” exhaust

ü Isky EZ-roll SR lifters

ü Smith Brothers 3/8” pushrods

ü Jesel 1.8RR

ü C5R Timing chain

ü Crower adjustable Cam gear

·      Beck Sheet metal intake

ü Nick Williams 102mm throttle body

ü Injector Dynamics ID1000 injectors

ü LPE 100mm MAF

ü 4” diameter inlet tubing with K&N conical filter

·      Exhaust system

ü Triple stepped headers 1-7/8” to 2" to 2-1/8" primaries (round port, not D-port!)

ü 27” primary length with 4” diameter merge collectors

ü 4” diameter head pipe with 4” diameter X-pipe

ü Full 4” exhaust w/MagnaFlow 12909 3-1/2" mufflers and 3-1/2” tailpipes

·      Meziere electric water pump

·      ATI 10% under drive crank pulley

·      Elite Engineering catch can

·      2.5 BAR E38 PCM tuning

Drive-train:

·      RPS BC Clutch and Aluminum flywheel

·      T-56 2.66 1st gear transmission

·      Moser 35 spline Tru-trac 12 bolt 4.11 rear end

Suspension:

·      Modified C5 spindles & 13" front disc brakes

·      4th Gen F-body 12” rear disc brakes

·      2" drop via G5 Suspension Package up front and 2” drop rear coils

·      AFCO front shocks and rear coilover adjustable shocks

·      Boxed lower rear control arms with BMR lowering brackets & 1LE bushings

Wheels/Tires:

·      Rear 17" x 10" Custom widened/Chromed Momo Arrow wheels with Dunlop P315/35xZR17 tires

·      Front 17" x 8.5" Chromed Momo Arrow wheels with Dunlop P275/40xZR17 tires (for tire fitment data follow this link)

Performance:

·      Dyno stock: 487 RWHP SAE Corrected Click here for dyno sheet

·      Dyno modified: 680 RWHP SAE Corrected Click here for dyno sheet Click here for Dyno video

·      Track with stock LS7: 11.52 @ 121.66 MPH (Hoosier QTP DOT street tires through full exhaust) Click here for video

·      Track with modified LS7: Summer 2013!


Monte Carlo Links

Monte Carlo SS.com - One of the ultimate information resource sites with an awesome message board dedicated to the Monte Carlo enthusiast.  A "must see" site!

LSx useful Links

LS1tech.com - One of the most informative sites on the Internet for the GEN III & GEN IV motors

LS1tech.com Conversions Forum Message Board - A direct link to the LSx conversions message board

This page was last updated 07/04/13

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© 2013 by John Bzdel