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YSI WS6 Build

This is a discussion on YSI WS6 Build within the Firebird / WS6 forums, part of the Vehicle Specific category; Alright guys here it is! Build has been done for about a year and a half now but I never ...

  1. #1
    Senior Member Redphoenix1998's Avatar
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    Red
    1998 Pontiac Trans Am

    YSI WS6 Build

    Alright guys here it is! Build has been done for about a year and a half now but I never got around to sharing it here. Previous setup was a head cam build with a Vortech G-trim and she made about 500 rwhp non intercooled. Went from scratch and a minor upgrade a purchased a Vortech Ysi. Engine was built about 10 years ago but here are the specs. LQ9 block and bored over .030. Diamond -28cc forged pistons, and Eagle 4" stroke crank and rods. Cam is a speed in SC4 Cam 234/240 .576/.588 114. Heads are Patriot Stage III heads with a FAST 92mm Intake. Setup is changing in a couple of months in the quest for power to AFR 245 73cc heads and a custom cam 251/263 .651/.651 114 as well as an MSD airforce 102mm manifold. Running an Alky control methanol injection kit, kenne belle boost a pump to a Walbro 450 intake going to 80 lb injectors currently but upgrading to 127 lb injectors with the new H/C. Intercooler is a custom treadstone intercooler and custom piping. Exhaust side I'm running TSP 1 7/8 headers and a 4" cutout. Had to change the factory WS6 hood out for a 4" VFN to clear the blower. Lots of stuff went in and at 15 psi on the current setup I'm making 803 rwhp and 730 ft lbs of torque @ 6800 rpms. Shooting for the 1000 rwhp mark and may be pretty close. May be there after the new heads and cam. But here's some pics!


    Vortech YSI

    YSI and BOV

    YSI and old G-Trim

    YSI mounted to RMCR Bracket

    Bracket and Blower clocked and mounted

    Pipe Routing being mocked up

    4" VFN Hood to clear the blower

    BOV welded onto piping

    IC piping finalized and Treadstone intercooler mounted

    Intercooler piping final routing before locking in with T-clamps

    Bumper trimmed for intercooler

    On the Dyno

    All Done!

    Hood isn't too bad to see over
    SMWS6TA likes this.

  2. #2
    Spaz is My Mentor SMWS6TA's Avatar
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    Navy Blue Metallic
    98 T/A w/ mods, 00 FBVert

    I gotta ask...what rear are you using?
    http://www.ls1.com/forums/f7/my-6-liter-build-174257/

    http://www.ls1.com/forums/f8/my-8-8-rear-build-165553/

    6.0L Block - Forged 403 built, breaking it in , Polluter Stg3 Cam, FAST 102mm Intake, NW102 TB, MSD wires, NGK TR6 plugs, Truck Coil Packs, LS3 Fuel Injectors, CC Pacesetter LT Headers, TS&P ORY, QTP e-Cutout, Magnaflow Muffler, 104mm Air Lid & Line Lock, Catch Can, Stage 2 T56 w/Viper shaft, PRO 5.0 Shifter, Tick MC, SPEC Stg3+ Clutch, QT SFI BH, MWC DSL, UMI: Sway Bars, SFC, PHB, LCA's, LCA Relocation Brackets & TA, Belstein Shocks, Hotchkis Springs (1" Drop), YR1 Snowflake Wheels wrapped in NT555 tires & Custom Fab Ford 8.8 rear w/4.10 Yukon Gears, WSQ Hood, 3"CM Strange Eng Drive Shaft.

    00 FB Vert - Stock

    Horsepower never lies, but is often lied about!

  3. #3
    Senior Member Redphoenix1998's Avatar
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    1998 Pontiac Trans Am

    I'm actually on a built stock rear end that has been holding up pretty good but I am upgrading to an S60 after the new H/C. Been building the car in phases. So until the rearend is in I won't be caught dead at the drag strip anytime soon. Car is actually being built for roll racing but once I'm happy with where the power is at, S60 rear end, cage, and an Upgraded T56.
    98 WS6 M6 ASC #2647
    Forged Custom 408 w/Vortec YSi

  4. #4
    Spaz is My Mentor SMWS6TA's Avatar
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    Navy Blue Metallic
    98 T/A w/ mods, 00 FBVert

    I build my 8.8 and have had it running for 2 yrs now. One tough SOB. My T56 is currently at Tick Performance getting rebuilt. Twice now I've broke it and had it fixed locally and still have issues. So off to Tick it went.

    I'm waiting on them to tell me how bad the carnage is. When I pulled the tail cone quite a few keys and a couple of lock rings came out along with me being able to more the reverse gear freely back and forth on the output shaft.

    Depending on what they find I may get the Viper out put.

  5. #5
    Senior Member Redphoenix1998's Avatar
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    My T56 had already been upgraded by a local shop with Viper internals. It's holding pretty good but I'll be stepping that up as well

  6. #6
    Spaz is My Mentor SMWS6TA's Avatar
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    Navy Blue Metallic
    98 T/A w/ mods, 00 FBVert

    Face plating?

  7. #7
    Senior Member Redphoenix1998's Avatar
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    Red
    1998 Pontiac Trans Am

    So parts that were replaced when I had it rebuild due to a grenade going off, Viper main bearings, Hardened input shaft. New 5th gear (Cracked it) and hardened 2nd gear (Cracked that too). Upgraded Shift forks, carbon blocker rings, billet keys, bronze forks. No face plating. But this transmission so far is holding 730 ft lbs without an issue and 500 ft lbs off idle. I'm not much of a speed shifter. This is a roll race car mostly so it's a little easier on the rest of the driveline but I am planning to go with an upgraded 6060 next year.

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