Users' questions

How do I know which LBZ Duramax I have?

How do I know which LBZ Duramax I have?

Look at the 8th digit of the VIN number, a “2” is an LLY an a “D” is an LBZ.

How do I know what Duramax motor I have?

The Duramax engine has evolved from the original LB7 series to include the LLY, LBZ, LMM, LML/LGH, and now the L5P series. The simplest way to verify which series Duramax you have is interpreting the VIN# of the truck. With some exceptions, the 8th digit is the engine ID and it will either be a 1, 2, D, 6, 8, L, or Y.

How do I know if I have LBZ or lly?

The simplest way to tell the lly or lbz is the dished valve cover. You should be able to see the valve cover is dished around the injector. Custom 12x12x2 Oil cooler and transmission cooler, Custom Cold side IC pipe, Enabled 6th gear.

What does LBZ stand for Duramax?

2004.5-2006 = lly. 2006-2007.5 = lbz (classic body style) 2007.5 – = lmm (new body style) if you have the new body style, you have the lmm. -Kyle.

Are all 2007 Duramax LBZ?

LBZ motors were only in the ’06-’07 Old Body Style HDs. EPA rules change deadline on Engine mfr was 12-31-06, and GM ran DMax production down to the wire on the older spec Engine.

What year is the LBZ Duramax?

2006
2006 – The coveted LBZ Duramax was introduced for the ’06 model year and featured a number of improvements that enabled the engine to produce up to 360 hp and 650 lb-ft of torque.

Which is better LBZ or LMM?

LBZ does not have DPF so no urea tank to fill. LMM does have DPF. Thats the main big difference other than the body style change. DPF kills the mileage and performace on the LMM, but you can delete the dpf which is illegal but if you know someone that will pass it for inspection you will be fine.

Is my 2006 Duramax a LBZ?

The 6.6L Duramax LBZ was a short-lived generation of the Duramax 6600 introduced for the 2006 model year and retired mid-model year for 2007. The LBZ was the first Duramax diesel offered in the GMC Savana and Chevrolet Express 2500/3500 vans.

Why does everyone want a LBZ Duramax?

To support the power increase over the LLY model, the block was improved, the rods were forged, and the engine was overall built to withstand more power. Because of this, the LBZ is a favorite amongst diesel enthusiasts because of its bolt-on mod performance capabilities.

What year is the LBZ engine?

Duramax LBZ (2006-2007)

What Duramax motor is in a 2006?

LBZ Duramax Specifications

Manufactured Years: 2006-2007
Engine Design: 6.6L 90-Degree V8 Turbocharged Diesel
Transmission: 6-Speed Auto Allison 1000 Transmission ZF650 Manual Transmission
Vin Identification: (8th Digit) D
Displacement: 6.6 Liters or 403 Cubic Inches

What year did the LBZ Duramax start?

What kind of engine does a Duramax LBZ have?

Duramax 6.6L LBZ Specs Engine Variation 6.6L Duramx LBZ, V8 turbo diesel 90 degr Production 2006 – 2007 VIN Code D (8th digit) Engine Size 6.6L, 403 cubic inches Head Material Aluminum

What is the RPO code for a Duramax diesel engine?

Duramax Diesel engine RPO codes include: LB7 VIN Digit: 1 Applications: 2001-Early 2004 Chevy Silverado and GMC Sierra, 2001-2005 Chevy Kodiak and GMC TopKick

How do I find the engine code on a Duramax truck?

Because multiple versions of the Duramax were available in some years, knowing the engine code of your Chevy Silverado or GMC Sierra will make it much easier to ensure you get the correct parts the first time. You can either look it up by application or check the 8 th digit of your truck’s VIN to confirm.

What is the difference between the LBZ and LLY diesel engines?

To support the power increase over the LLY model, the block was improved, the rods were forged, and the engine was overall built to withstand more power. Because of this, the LBZ is a favorite amongst diesel enthusiasts because of its bolt-on mod performance capabilities.