Question: LB7/LLY intake runners vs. LBZ/LMM
- Thread starter Drholliday
- Start date
Sensor should be the same, I will check my buddies LLY tonight. As for the rest of the tear down I wouldnt do it unless your being restricted by the stock runners. A lot of power has been made on them and most of us will never get close to that. If you do, pull the motor and do head gaskets and studs at the same time. It would be a lot easier.
IMHO it is definitely not worth changing out the runners unless the engine is out of the truck, i'd bet in a stock turbo or small turbo application next to zero gain is noticed
no its completely different on an LLY vs. an LBZ.
On an LLY the MAP sensor is mounted in the left hand runner itself. On the LBZ its mounted on the EGR/intercooler pipe manifold thing. If you want to put LBZ runners on an LLY you are on your own as far as making a relocation point/port/fabrication setup to mount the MAP sensor in a different location in the post-IC intake tract.
Thanks for the input guys. Paint, I agree. I probably won't see much if any gain yet. I would like to put a bigger single or twins on it sooner or later though. So I may just set them aside until I step up the air flow, but they're already on my garage floor, so I figure why not? Can't hurt, right?
Ben, as far as tear down, I wouldn't be going any deeper than the runners.
Ben, as far as tear down, I wouldn't be going any deeper than the runners.
Thanks, I was unsure. But if a guy did do a LBZ runner swap he would probably be fabricating a new cold side IC tube so installation of the MAP wouldnt be a big deal other than lengthening the wires.
Tony Burkhard
Allseason Diesel Per.
We just finished 3" LB7, LLY and LBZ y-bridges and EGR Delete kits and some of them have up to 152% better airflow and we also added MAP ports to all y-bridges so crossing intake runners is not a problem. We also made LLY and LB7 y-bridges with the LBZ flanges. There all called Super Hi-flow intakes.
Tony,
I don't see anything with that name on the website. Is it available yet, and at what price?
Mine will be here tomorrow! Tony has a thread on here already with pics, I believe its LBZ/LMM EGR Delete.
Tony Burkhard
Allseason Diesel Per.
No its not on my site yet. I do have some in stock and the rest should be in by tomorrow.
You relocate the MAP sensor to the LBZ IAT sensor hole after drilling out the threads to proper seal size, modify the stock hold down bracket and drill and tap a hold down hole in the build-up area behind the sensor where the Y-bridge seal goes. The turbo has to come out and fuel rails to but the CP3 can stay. The advantage is more air plain and simple. This helps stock turbo engines run cooler and will help if you add HP. The whole set-up can be made smog legal (appearing or working) using a LBZ EGR valve and modifying the LBZ EGR intake bridge to route back wards like the LLY to hook into the inter cooler pipe. Should up grade to LBZ turbo inlet for stock blow dryer. Did this on a 05 LLY and everything works great just working on the tuning and adjustments for cust now. I'll have some pics soon.
How did you get the bolt on the driver side runner that sits right under the CP3 out without removing it? I tried everything to get to it but finally had to pull the pump.
Thats what I call the chrome swivels, the non-impact ones! Cause when you use them with an impact gun and they explode its like trying to commit suicide.