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Lq9 - 408 Stroker Project


cbluerock

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Looking for 450-480 at the wheels with 11.5.1 compression...

 

http://www.fastlaneturbo.com/chevroletprojects.aspx

 

and some content, just a link is not going to work in the build section. thanks

 

No problem, the link I provided shows images and project details. I was just trying to save time. My apologies...

 

Projects Details:

 

GM 6.0 Iron Block (LQ9) - honed the bore out to 4.030-in. as well as line honing the main bores and resurfacing the decks. Rotating Assembly - Callies Crank (4.000-inch throw), K1 Rods, Wiseco Pistons

 

Compression Goal - 11.5.1

 

ARP Bolts used throughout

 

Cylinder Head, L92 CNC Ported, Manley Valves, 0.650" Lift Springs

 

Comp Cam - Secret

Hardened pushrods

Double timing chain

Melling LEP blueprinted PP 10296 LSX Oil Pump

PCM4less EFANS

NGK Plugs w/ Plug covers

 

Intake:

FAST LSXR - 102 MM Car intake

GM LS7 Throttle Body

Jetttstream TBSS Cold Air Intake Stage 3 w/ AEM Dry-Filter

Jetttstream TBSS Intake Air Temperature Sensor Relocate Kit

 

Transmission:

Stock w/

Circle-D Converter

Circle-D Corvette Servos

PCM4less Tranny Cooler

 

Tune:

Fastlane HP Tuners

 

Exhaust:

Kooks 1 3/4 Long-Tube Header

Kooks Off-Road Y-Pipe w/ Cats (split Y-Pipe to connect 2 – 3” pipes to Magnaflow below)

Custom 3” Stainless Pipes going into Magnaflow Dual 3” inlet and Outlets (Part # 12599)

SLP Tips with SLP Valence

 

Suspenson:

Addco Front and Rear Anti-Sway Bars

Energy Suspension Poly Bushing's Front and Rear for Addco's

Norcal SS - DJM Upper A Arm kit for front

Norcal SS - Front KBEE Coil Over’s

Lowered Rear Air Suspension

 

Brakes:

EBC slotted rotors with ceramic pads all around

Edited by detjoe (see edit history)
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No problem, the link I provided shows images and project details. I was just trying to save time. My apologies...

 

Projects Details:

 

GM 6.0 Iron Block (LQ9) - honed the bore out to 4.030-in. as well as line honing the main bores and resurfacing the decks. Rotating Assembly - Callies Crank (4.000-inch throw), K1 Rods, Wiseco Pistons

 

Compression Goal - 11.5.1

 

ARP Bolts used throughout

 

Cylinder Head, L92 CNC Ported, Manley Valves, 0.650" Lift Springs

 

Comp Cam - Secret

Hardened pushrods

Double timing chain

Melling LEP blueprinted PP 10296 LSX Oil Pump

PCM4less EFANS

NGK Plugs w/ Plug covers

 

Intake:

FAST LSXR - 102 MM Car intake

GM LS7 Throttle Body

Jetttstream TBSS Cold Air Intake Stage 3 w/ AEM Dry-Filter

Jetttstream TBSS Intake Air Temperature Sensor Relocate Kit

 

Transmission:

Stock w/

Circle-D Converter

Circle-D Corvette Servos

PCM4less Tranny Cooler

 

Tune:

Fastlane HP Tuners

 

Exhaust:

Kooks 1 3/4 Long-Tube Header

Kooks Off-Road Y-Pipe w/ Cats (split Y-Pipe to connect 2 – 3" pipes to Magnaflow below)

Custom 3" Stainless Pipes going into Magnaflow Dual 3" inlet and Outlets (Part # 12599)

SLP Tips with SLP Valence

 

Suspenson:

Addco Front and Rear Anti-Sway Bars

Energy Suspension Poly Bushing's Front and Rear for Addco's

Norcal SS - DJM Upper A Arm kit for front

Norcal SS - Front KBEE Coil Over's

Lowered Rear Air Suspension

 

Brakes:

EBC slotted rotors with ceramic pads all around

 

 

Did they hot tank the block, or even deck it?

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kind of backwards putting a gen 3 engine in a gen 4 truck . also i would have stayed with the aluminum block your tbss came with .

 

wonder how they change the knock sensors and cam sensors around from gen 4 to 3 ?

 

guess youll have to just get a gen 3 cam sensor as a plug , and put the knock sensors on the block sides somewhere.

 

either way your going to make more power and have more fun . good luck with it.

Edited by 04CHASE (see edit history)
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wonder how they change the knock sensors and cam sensors around from gen 4 to 3 ?

 

guess youll have to just get a gen 3 cam sensor as a plug , and put the knock sensors on the block sides somewhere.

 

Lingenfelter has a ton of adapters for this type of swap.

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from your pictures that block wasnt even hot tanked.... and it wasnt decked either.... hell you can still see the gasket witness marks.

 

This LQ9 block was working just fine in a truck that we used and was sent off to get cleaned and they added 4.030-inch bore and 4.00-inch stroke. I really wanted a LSX block, but thought it was overkill and would cost $2000 alone. Also, I don't mind the 150lb weight penalty with the peace of mind of good old fashion GM IRON. I wanted a block that can handle spray and learned from you guys on this forum. It seems like more and more people are going to LQ9 strokers with heavy vehicles.

 

I had to make the BIG decision of a NA motor (11.5.1) with 450-500 at the wheels with the the ability to spray 150 to 300 more or a FI motor (9.5.1 or low compression) and spend atleast 6-9K or more on a TVS2300 and other parts. I decided to go NA with a goal of high 11's or low 12's.

 

I enjoyed a LS3 418 in a TBSS before, however the crank walked - even after being pinned. Ever since then, aluminum scars me in a heavy truck. However, that should NOT discount the LS aluminum blocks - they are amazing. We've seen 370, 402, 403, 416, 418, 427, 440, 454, etc... aluminum blocks holding tons of power with no problems. I just had some bad luck.

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