Are LQ4 and LQ9 blocks the same?
The 6.0L LQ4 and LQ9 are iron blocks, only difference between them is compression ration. Only real difference is pistons LQ4 had dished and LQ9 had flat tops (yes rods were different on early LQ4 and 99-00 had iron heads) Only way to tell is look at pistons or vin of donor save for 99-00 with iron heads as its an LQ4.
Is the LQ4 a Gen 3?
SLP LQ4 6.0L Gen 3 Small Block Engine – Big Brother.
What kind of engine is the LQ4 truck engine?
The LQ4 and LQ9 are Gen. III, 6.0L, iron block, truck engines. The LQ4 served in anything from bread-vans and boats to SUV’s between 1999 and ’07. It started off life like any normal truck engine. Iron heads, small cam and the old SBC crank rear flange thickness.
What kind of compression does a LQ9 truck have?
The LQ9 had 10:1 Compression, compared to 9.4:1 on the LQ4, and will run fine on 87 octane, people recommend 91 and it may gain a few ponies on 91 tho. Mid 2004/early 2005 had better rods. My Local Pick-N-Pull has any complete truck engine for $350, trans for $150, harness for $100, plus engine and trans core of $50 each.
Is the LQ9 a 6.0L or 5.3L?
Although the LQ9 is the HO (High Output) 6.0L it came in a 1500 chassis. Any LQ4 from an Escalade or Denali will have been mated to a 4L60e or 4L65e as well. Transmissions were sized to chassis capacities NOT engine horse power ratings. So, ANY (Truck or SUV) that is a 1500 will get the 4L60, a 2500 chassis will be get the 4L80e.“
What kind of transmission does a LQ9 have?
“Transmission Considerations: ALL LQ9’s came with 4L60e or 4L65e depending on year. Although the LQ9 is the HO (High Output) 6.0L it came in a 1500 chassis. Any LQ4 from an Escalade or Denali will have been mated to a 4L60e or 4L65e as well.
Can a 5.3 flywheel work on a 6.0 truck?
The 5.3 never had a manual, only an auto, so a stock fly from a 6.0 truck should work without a spacer or I’m sure you could conjure something up with an ls1 fly and clutch bastardization… Thanks for the replies. I thought about the 6.0 flywheel but wasn’t sure if it compensated for the short crank like it sounds like it does.
The LQ9 had 10:1 Compression, compared to 9.4:1 on the LQ4, and will run fine on 87 octane, people recommend 91 and it may gain a few ponies on 91 tho. Mid 2004/early 2005 had better rods. My Local Pick-N-Pull has any complete truck engine for $350, trans for $150, harness for $100, plus engine and trans core of $50 each.
What kind of engine does a Chevy LQ4 have?
Application Information VIN 8th Digit Year Make Model 2001-07 Silverado 3500 Chevrolet U 2002-04 GMC Sierra 1500 Denali U GMC 2001-06 Sierra 1500 HD (+2007 Classic) U GMC 1999-04 Sierra 2500
Although the LQ9 is the HO (High Output) 6.0L it came in a 1500 chassis. Any LQ4 from an Escalade or Denali will have been mated to a 4L60e or 4L65e as well. Transmissions were sized to chassis capacities NOT engine horse power ratings. So, ANY (Truck or SUV) that is a 1500 will get the 4L60, a 2500 chassis will be get the 4L80e.“