Hi i am new to the board. I am about to install a 4th gen rear. While i have everything out I want POR-15 the underbody. I was wondering how much would i need.

 

I would like to say (1) qt, but that is a guess. I do know from just using there starter kit, that this product goes a long way.

 

looks like i'll grab the starter

 

One quart will just barely cover the entire underbody. If you want to do anything else like the gas tank or rear axle while its out, get a little more.

 

I bought 2 quarts of the stuff, 1 quart of metal ready and 1 quart of marine clean, along with tons of brushes, gloves, etc.. This guy is a distributor of POR-15 who recommended this, but on the bright side if you only use 1 quart, you'll have another quart to paint gas tank, inside of car underneath carpet, rear end, and other rusted suspension parts.

 

thanks guys for the input. I was also gonna paint other parts such as the gas tank and other parts such as the control arms and other suspension parts. Glad I did not order just the starter kit yet. Thanks