Pipe Length

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dave roach

dave roach

Well-Known Member
Vendor
Joined
May 28, 2004
Messages
4,234
I have a Mac 45 in a sport 40 with a Mac pipe running 60% fuel and a 452 prop.I need a starting length on the pipe.

Thanks

Dave Roach
 
Dave you have seen our boats run. I'll give you measurement tonight. I would start at 10".

The CMB Nitro pipe is the best pipe for Sport 40 I have ever run. You need a muffler for it also.
 
Last edited by a moderator:
No pipe to tight no muff to tuff.

Thanks for the info.

Dave Roach
 
Last edited by a moderator:
Samuel Hagan JR said:
Dave you have seen our boats run. I'll give you measurement tonight. I would start at 10".

The CMB Nitro pipe is the best pipe for Sport 40 I have ever run. You need a muffler for it also.
Click to expand...
The CMB Nitro pipe is the original pipe that I designed for the MAC 45. 10" is too long for the MAC in a Sport hydro. We ran it at 9" on the stock MAC in a Phil Thomas. An easy running 64 mph set up with a cupped 1450.
 

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