I am building a turbo kit that puts the turbo in the battery location, i have it almost all welded together now but i am wondering if i should of put some flex joints in the cross over cause i do have the flange mounted to the frame to support the turbo... Do i need the flex joints even tho i am using the tubular soild motor mounts???

 

I did not use any flex joints in my exhaust and the turbo flange is bolted solid to my rail on 1/8" steel plate risers. They have a little give incase somthing needs to give a little. But i seriously dont see anything moving.
I looked at many high power turbo cars at the track that were solid mount turbos with no flex joints. Can it hurt to use em. No not at all. Do they fail if you dont buy high dollar expensive ones.. Yup. If you have solid motor mounts and tranny mount i dont see a problem.

 

simple answer is yes, do it right.

 

my reply to this is... what happens to metal when it gets hot?

 

Well it gets softer.and what metal are u refering too? Mounts or exhaust. and it also matters if he used stainless or mild steel tubing. But were do you see things moving? Engine and trans arnt going no were? If motor isnt moving then were do we aquire movement?

i didnt say he shouldnt use flex pipe but he also said its all almost finished.

 

Ok well i guess i will stop what i am doing and order some flex joints, where is a good place to order them from i need the shortest ones i can find for 2.5" piping?

 

Vibrant sells some nice 4" long 2.5" diameter interlock inner liner pieces. That's what I used on my setup.

 

The tranny mount is poly

 

i put a couple vibrant turbo couplers in my crossover for my battery located s475. 8k street miles and no problems yet.

 

I gotta try to find steel ones too cause i am not setup to weld stainless

 

http://www.summitracing.com/parts/JEX-FLX2508B/

 

the 2.25" ones i got from mandrel bends are the nice ones that they are referring too, i believe they were about 25 bucks a piece or something.

 

Whats the general rule of thumb for how many flex joints are needed? Ive only got one in my crossover and dont have the turbo braced..would i need solid motor mounts if i weld turbo to the frame?

 

Im of the opinion that each cross over should have one. But that could just be me over thinking the situation.