got a crack in my 4x4 coswort exhaust manifold what effect would this have on running /performance of car??

also which is the better one the 2wd or 4wd manifold?

 

For performance a 2wd manifold has more potential as the 4wd limits ultimate power to just over 450bhp.

 

cracked fanimold may stop it from boosting properly

 

think thats what it was doing on my car

 

would it be worth while on a car thats stage 1 at the mo but will got to stage 3 set up in the near future or is a 2wd manifold only worth while if going for serious big bhp?

 

Where has the 4wd manifold cracked?

They do crack inside the manifold where the turbo bolts on.




Dave.

 

yeah think thats the area where its craked aint got it on me right now but from memory it was there

 

anyone else with any views

 

crack like this one??



this is very common on 4x4 manifolds - most don't actually crack through to the outside (like this one isn't) and won't have any adverse effect

 

hi gaz
if the crack is on the underside like mine then it had no bearing on the perf side....well i had none whatsoever did i???
regards

 

cracks are common inside the manifolds,to your 2nd Q all depends on what you want out of your car/engine ie 0-100 4x4 manifold will give you morew bottom end grunt, if more of a top speed merchant your better of with a 2 w/d as said they are better for 450+bhp applications

 

I got a 2wd manifold forsale!

in excellent condition!

 

Gaz, I have one for sale if you need one, i'm in Slough so just down the road from ya

 

i have a 4x4 one for sale if you want - slough also

 

how much guys and are they any cracks?

 

yeah mines pretty simular to that

 

i have a brand new 2wd manfold they cost over £200 new i will take £100 .its never been on a car