French Flathead WIP
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Elder User
Joined: Nov 2008
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From: Gunbarrel, Co.
What Mike from H&H told me was they do a series of runs to heat up the engine and after cooling down they re-torque all the bolts check for leaks etc. They dial in the cab linkage, but no dyno runs.
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Elder User
Joined: Nov 2008
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From: Gunbarrel, Co.
Who makes the best performing headers for the F-1 and what about mufflers? The mufflers used on the test stand were Magnaflows anyone using them on their truck and what the best performance and sound distantance from the collector to the muffler?
Fleet Owner
Joined: Jul 2004
Posts: 27,283
Likes: 1,046
From: NM
Flatties sound good with many combinations. I have Red's F-1 headers (3-into-1 exiting to rear), one of the few that clear the steering box on an F-1. I used his extensions which go from the headers to about the rear of the trans. I put Smithy's steelpaks on those. They sound great! and will sound better when I get tailpipes. Using the combo above, I was able to avoid any welding or fabrication, just slapped it together and waas on the road.
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Elder User
Joined: Nov 2008
Posts: 915
Likes: 1
From: Gunbarrel, Co.
Flatties sound good with many combinations. I have Red's F-1 headers (3-into-1 exiting to rear), one of the few that clear the steering box on an F-1. I used his extensions which go from the headers to about the rear of the trans. I put Smithy's steelpaks on those. They sound great! and will sound better when I get tailpipes. Using the combo above, I was able to avoid any welding or fabrication, just slapped it together and waas on the road.
I just want to say the pictures of the flatty don't do it justice.
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Cargo Master
Joined: Apr 2007
Posts: 2,063
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From: Valley Center, California
It's beautimous......
The sound of a Flat-Motor with mods is the best....
Second best is a high compression Jimmy with an open split manifold
Third best is a Y-Block of any vintage - they just have that Y-Block sound..... aaahhhhhhh .........
Just my two cents.....
The sound of a Flat-Motor with mods is the best....
Second best is a high compression Jimmy with an open split manifold
Third best is a Y-Block of any vintage - they just have that Y-Block sound..... aaahhhhhhh .........
Just my two cents.....
I'll have the Roast Duck
Joined: Jul 2002
Posts: 9,622
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From: Northshore, MN
Which brings me to this: When are the soundbites on this flat-motor, eh?
Fleet Owner
Joined: Jul 2004
Posts: 27,283
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From: NM
IMO 2-inch pipes are not good for anything and sound harsh. I also read a thread on the HAMB to the same effect, if you are on the street and running mufflers and tailpipes, 1-1/2" or at most 1-3/4" is better. Bigger is not always better, you need to maintain a certain velocity. These aren't 502 Chevies, they're relatively small engines.
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Elder User
Joined: Nov 2008
Posts: 915
Likes: 1
From: Gunbarrel, Co.
Thread Starter
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Elder User
Joined: Nov 2008
Posts: 915
Likes: 1
From: Gunbarrel, Co.
