68wagon

If i switch over the L99 (2010 Camaro) water pump, will i have to buy the L99 belt tensioner also? or can i use my truck tensioner... i'm not going to run A/C at this time so i don't have to worry about all that.. Just factory Alt/PS setup with the bracket modd'ed and the PDM4Less idler pulley...

-TheBandit-

iTrader: (1)

You can not use the truck tensioner. The mounting bosses on the L99 pump stick out further. I have photos in my build thread someplace.

-TheBandit-

iTrader: (1)

Photo evidence

-TheBandit-

iTrader: (1)

Also if you go to my build thread I have a writeup on relocating the idler for pretty cheap:
https://ls1tech.com/forums/conversio...00-6-0vvt.html

68wagon

Bandit, would the factory truck accessories (high mount alt) work with the belt routing and the L99 water pump??? would the water outlet hit the belt??? Also, i've also relocated my idler pulley to that location on the alt bracket...

BobKovacs

If you go to lsbrackets.com and look at their idler pulley relo bracket, it shows the belt routing. Assuming the waterpump outlet clears the alternator bracket (it looks like it may be close from the pics above), the belt should clear, IMO.

I just put a 2002 Camaro wp on my LQ4 last night using lsbrackets' spacers. I ordered the idler relo plate as well, but the packing envelope got trashed in the mail and the plate was missing (a new one will be here by Friday). That wp required a 2000 Camaro tensioner as well, as the stock tensioner would have been over 1/2" too far forward.

roadrunner69

iTrader: (8)

You will have to trim the alt bracket down some it hits the throttle body if you are using a car intake. Here are some pictures of my setup on a 70 firebird using a ls 3 intake.
Mike

1989GTA

Do you have a thread on your build? What length serpentine belt did you wind up using? I have almost the exact setup.

68wagon

Well looks like i found my soloution... I didn't want to use the spacers and the F-body pump so i'm getting an L99 pump, tensioner and i have the PCMforless.com idler pulley relocation kit.. i trimmed my alt bracket and will be going that route... one less thing to worry about... haha.

garys 68

iTrader: (1)

Roadrunner,
What AC compressor bracket is that?

roadrunner69

iTrader: (8)

The ac bracket I made myself out of some 3/16 flat iron I had in the scrape pile and some tubing I had. I used the 2010 camaro belt tensioner and a couple of idler pulleys. I'll check on the belt lenght this afternoon and let you know how long it is. I started a build thread a while ago but have been busy and I haven't worked on the car for awhile so their isn't much their.The thread is "1970 firebird lq4 t56". I'm not to computer freindly so I don't know how to attach a link. If you have any questions I'll try to answer them.
Mike

roadrunner69

iTrader: (8)

Belt size is a gates K061145 lenght is 115 1/4"
Mike

Docked Wage

Here's a link that shows how to use a car intake on a truck motor with only a waterpump change:

www.retrolsx.com/forums/showthread.php?t=271

68wagon

FYI... The newer truck 6.2L truck water pump with the more angled water neck will NOT work with a Nick Williams 90mm TB on an ls2 intake... i tried.... lol