Can You See The Difference?
 

Can you tell the difference between the two Headers??

Re: Can You See The Difference?
 

Uh.....................................Yah!



Is it from from the header being off ( another CMI Drama unfolds ) or were the holes drilled wrong originally. Should not hurt anything other than your pride when people say geez that thing is out of whack.

Bryan

Re: Can You See The Difference?
 

Thanks (Another CMI Drama Unfolds) I called CMI and e-mail them this picture so they could send me another header to replace this one. I was told I have to send it back first. Like you can't see the difference in the header... Factory Bravo transom holes from Baja measured and in spec...

Re: Can You See The Difference?
 

Sure it is the header? Maybe your engine alignment is off just a touch!

Re: Can You See The Difference?
 

Engine is good Header is off. Picture is of same engine. The header is angled towards the engine.

Re: Can You See The Difference?
 

Just curios, have you measured the hole location or are you assuming they are correct? Might not hurt to put some masking tape on the back of the boat and lay out a center-line, take some measurements. I'm just trying to think what you can use for an accurate c/l reference.

Re: Can You See The Difference?
 

Everything is to spec for standard bravo. If you look at the first pic you can see the weld on the collector is angled towards the engine and the other is straight accross.

Re: Can You See The Difference?
 

302, I was kidding on the engine thing. I know of a dealer in this area that had to send a certain brand of headers back three times before they would fit correctly. Good luck with this one.

Re: Can You See The Difference?
 

Thanks for the info Im working it now...

Re: Can You See The Difference?
 

It's tough to tell from the photo if the problem is the header or the hole location..

If you click on the below link and provide the measurements on the first page it would be a good start towards figuring this out.

Thanks,
Fred
Trick Marine

Re: Can You See The Difference?
 

What Kind Of Results Did You Get With The Exhaust Change? Did You Make Any Other Changes/props/ecu/ Ect.i Also Have A 30 Outlaw ,its Time To Turn Some Wrenches.

Re: Can You See The Difference?
 

I got good results...I can feel the difference in midrange torque and the coming out of the hole. I have the 496 mags not HO's. I was running 26 bravo 1 now running 28 standard bravo 1. turning 4600 RPM at 73 MPH GPS...Full tank of gas with 4 people. still need to get them labbed and go from there.

Re: Can You See The Difference?
 

One more piece of info please :D

What speed were you at prior with the 26s?

Thanks,
Dave

Re: Can You See The Difference?
 

Was running a solid 70 with the 26's. but hitting the rev-limiter now so I had to switch to the 28. still dialing it in but looks like 3-4 with no other modifications but the headers. Still need to try a set of labbed 28's

Re: Can You See The Difference?
 

30 OL I gained 4.6mph on gps just changing from 26's to 28's labbed by Mercury Racing on a 302