parish8

iTrader: (6)

i am going to cut up 2 air/water intercoolers that i have and make a comon plenum between the 2. i see they sell aluminum sheets at mcmaster-carr. i will have a pro help me weld it up but for now i need to know what type of sheet to buy and how thick?

is 1/8" about right or should i go thicker?

1100 alloy says it is good for about everything, i have 2 temper option with this alloy. h14 or O(annealed). anyone know which would be best for what i want to do?

i see alloy 6061 is recomended for all purpose use too. would that be a better alloy? it comes in a couple of heat treating options too. they sure have a lot of options.

618HAWK

iTrader: (361)

I would look at a 6061 T6 or T3. Stay a way form the "O" annealed. As for thickness somewhere around .190 will do.

BringIt10s

.100 is more than plenty if boost is kept under 35psi.

Ive helped build an intercooler before that used 1/8inch plate and it was very difficult to work with and made welding it fairly teadeous, but it was for a Tractor Puller that was running 80+psi

Silverback

probably the most important quality is that whoever is welding it is happy with it since just about anything reasonable will work well enough.