24Runna

MY truck is dirty from when I killed it, by taking it to the car wash with open and hot headers would that cause any problems?

Tubbyfatty

I dont think so.

Do you have a hood? lol.

abecedarian

let it idle down a few before getting it wet.

PlugItIn

why dont you just wash it?

874runnersr5

I think he means the cold water from the pressure washer onto the hot headers.
Ive done it a couple times, just try to avoid directly applying water onto them

camo31_10.50

im not 100% positive...buuuutttt...........i think thats why you go to the carwash thingy....to wash your vehicular mobile thingy ma bob..hahahahaha...just messin with ya PlugItIn

abecedarian

that's why I said to let it idle down after driving it to the car wash, so things will cool down a bit. should be fine though. I've pressure washed with hot cast turbo manifolds (my 84 chrysler laser) without cracking them so this should be fine.

DeathCougar

iTrader: (23)

As abe says, let it idle down first. I would also wash the outside of the truck first, and let it cool down even further before hitting it with cool water.

874runnersr5

x2!!!

algranger

Dont shoot directly at it with cold water, you will get away with it for a while but eventually something will crack. Rapid contraction of one part (the part shot with water) and the other part still hot = bad ideer.

Wash the exterior first and maybe mist the header with some overspray a little before you spray anywhere near it

racingcameron66

if your taking it thru a car wash that you leave the truck running it may not be a great idea, i know for a fact that on some drag cars i had (always open headers) if cold air hits hot valves you could worp some valves

abecedarian

considering that unless the headers are short tube without any exhaust piping, the chances of cold air hitting an exhaust valve are nil.... since there's very little reversion occuring- it's not like the engine could suck cold air all the way from the exhaust tip back up to the engine.

24Runna

The are just downey headers, just the headers, no exhaust till I can order one friday, when I get paid.

abecedarian

so headers: header bolted to the head, crossover from the side, left and right join and then "nothing'?

oh well, should still be alright. they're not shorties

Justinlhc

I drove to the exhaust shop with my headers like that. Sounded horrid and I was embarassed to be driving it.

I've washed my engine bay several times with no problems. You just gotta be smart about it and not pull in directly after hotrodding, pop the hood and shoot directly at the hottest part of the engine. Drive easy as you get close and let it cool down a bit and as others have said, wash the exterior first to give it more time to cool.

24Runna

Thanks guys.

abecedrian, no crossover, just headers.

And tubbyfatty, lol yes I just put it on yesterday. Kinda tricky doing it yourself.