What kind of pistons should I use for my LS motor?
The stock pistons and rods are crap and should be immediately thrown away. If you are working with a tight budget, OEM CTR or ITR pistons are a good option. Shot peening your LS rods is one strategy you can use to strengthen them. After-market forged pistons and rods are a much better option as you only want to build this once.
How big are the Pistons in Acura B20B?
Nippon Racing Performance Full Floating Turbo 81mm Standard Size to 82mm Oversized B-Series Pistons. 81mm-82mm Pistons. Scat 4340 High Strength Steel Forged H-Beam Connecting Rods with Custom ARP 2000 Alloy Bolts. ! Honda/Acura B20B, B20Z USDM and JDM Engines.
Can a LS pump be used with an itr pump?
If you already have an LS water pump you can use that but you will also need to use an LS timing belt. The ITR pump spins slower at high rpm’s which will create less slosh when your motor is under heavy load. Spread some RTV compound in the gasket’s groove and torque everything down according to your manual.
Is it worth buying an itr head for a lsvtec?
Let’s first start off with your choices. There are B16 heads, ITR heads, and GSR heads. IMO, it is never worth buying an ITR head, if you plan on upgrading the springs/retainers/cams anyway. They are amazing heads from the factory, but B16/GSR heads can be had and built for far less.
Which is the best head for a LS / VTEC motor?
When properly built, this engine will be as reliable as any other b-series motor. Obviously, you must start with a VTEC head in order to build an LS/VTEC. Your choices are a b16, a TypeR, or a GSR. From the factory, the ITR head is the best. IT has stiffer springs, upgraded retainers, and better cams, along with a mild port on the intake side.
What kind of pistons do you use on a Frankenstein motor?
Use the two corner exhaust side head bolt holes to install the dowel pins found in your kit. The stock pistons and rods are crap and should be immediately thrown away. If you are working with a tight budget, OEM CTR or ITR pistons are a good option.
How does a LS / VTEC Frankenstein motor work?
An LS/VTEC motor combines the bottom end of a non-VTEC b-series motor with a DOHC VTEC head. When using the bottom end from a b20 CRV motor, you get both the torque of a larger motor with the high-end power of a b18c. These motors are often called hybrid or Frankenstein motors.