Cutting Headers down
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Cutting Headers down

  1. #1
    Boat 502 76Miller's Avatar
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    Default Cutting Headers down

    Was thinking about shortening some Bassett's and wondering the best way to go about it ? Band saw ? Big pipe cutters ? I know some of you guys have done it, so any advice ?? They are already coated so I'm concerned on chipping them. I was thinking about wrapping duct tape where I was going to cut to prevent the chipping.......what do you think ??

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    Senior Member cyclone's Avatar
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    Quote Originally Posted by 76Miller View Post
    Was thinking about shortening some Bassett's and wondering the best way to go about it ? Band saw ? Big pipe cutters ? I know some of you guys have done it, so any advice ?? They are already coated so I'm concerned on chipping them. I was thinking about wrapping duct tape where I was going to cut to prevent the chipping.......what do you think ??
    its gonna chip. put them in someone's horizontal bandsaw and you'll get a nice straight cut though. oh and plan on losing some HP's afterwards. probably not enough to notice though.

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    jetboataholic HawaiianJet's Avatar
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    Use masking tape, not duct tape. But they will still chip, but it might help some.

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    Senior Member Pattymelt18's Avatar
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    take them to the muffler shop they do it all the time.

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    Boat 502 76Miller's Avatar
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    The muffler shop would be pretty easy.....didn't think of that. The chipping issue is a problem though ! Not sure ??

    Cyclone: Do you know that it will chip first hand ? Or just assuming ?

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    Senior Member Mike D's Avatar
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    I used a cut off saw? very little chipping

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    Boat 502 76Miller's Avatar
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    Quote Originally Posted by Mike D View Post
    I used a cut off saw? very little chipping
    Mike, did you use any tape, or see much of any hp loss ? Is the loss down low or up top. Could you pm some info on your 19ft Daytona ( price bare, w/trailer, and color options) Thanks.

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    Senior Member matt1840's Avatar
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    Quote Originally Posted by 76Miller View Post
    Was thinking about shortening some Bassett's and wondering the best way to go about it ? Band saw ? Big pipe cutters ? I know some of you guys have done it, so any advice ?? They are already coated so I'm concerned on chipping them. I was thinking about wrapping duct tape where I was going to cut to prevent the chipping.......what do you think ??
    To keep the chipping to a bare minimum wrap the area your going to cut with painters masking tape and wrap it tight!! Your best bet for cutting is something with high rpm. The higher the rpm the less chips will result. Kinda like cutting steel braided line if you have ever done that. Myself i would wrap them a few times with tape and stick them on a chop saw with a metal cutting blade.. Ive cut a few sets of headers for custom applications and the chopsaw has always done me good. None of the sets were jet coated just painted.

    For a straight cut, use a wrap around make your mark and line it up with the chopsaw blade as close as possible and WHACK make yer cut.

  11. #9
    jetboataholic HawaiianJet's Avatar
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    Use a cut off wheel it would cause very little chipping if any because it would grind the metal away in very small amounts, instead of in lager chips like a saw blade. Good luck with it.

  12. #10
    Senior Member snake321's Avatar
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    Quote Originally Posted by 76Miller View Post
    Was thinking about shortening some Bassett's and wondering the best way to go about it ? Band saw ? Big pipe cutters ? I know some of you guys have done it, so any advice ?? They are already coated so I'm concerned on chipping them. I was thinking about wrapping duct tape where I was going to cut to prevent the chipping.......what do you think ??
    How much are you cutting off??
    YOU LIE!!!!!!!!!!!
    Quote Originally Posted by Ultra26 # 1 View Post
    I've been known to be a jackass a time or two.

  13. #11
    Resident Ford Nut Sleeper CP's Avatar
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    For what it's worth... I'd use the painters blue masking tape, double wrapped mark it where you want it cut and then take it to a muffler shop.

    Keep this in mind though; do you want the header length to look the same at the transome ? Are your header's the same length and are the front cylinders of the engine dead even or off-set a bit ? Measure twice cut once !!!!

    Sleeper CP

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  14. #12
    Senior Member Mike D's Avatar
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    Quote Originally Posted by matt1840 View Post
    To keep the chipping to a bare minimum wrap the area your going to cut with painters masking tape and wrap it tight!! Your best bet for cutting is something with high rpm. The higher the rpm the less chips will result. Kinda like cutting steel braided line if you have ever done that. Myself i would wrap them a few times with tape and stick them on a chop saw with a metal cutting blade.. Ive cut a few sets of headers for custom applications and the chopsaw has always done me good. None of the sets were jet coated just painted.

    For a straight cut, use a wrap around make your mark and line it up with the chopsaw blade as close as possible and WHACK make yer cut.
    The only thing I would add is don`t cut all the way thru turn header 180 deg and cut back other way doesn`t chip as bad

  15. #13
    Senior Member NO BUTT NO PUTT's Avatar
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    Widowmaker has a bitchen pipe cutter. Took 2 min to cut mine down and didnt chip at all.

  16. #14
    Amber Racing Services BUSBY's Avatar
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    Quote Originally Posted by cyclone View Post
    its gonna chip. put them in someone's horizontal bandsaw and you'll get a nice straight cut though
    Best advice on this thread for a straight cut and for the least amount of chipping.


    Also Sleepers comments about your heads offset and where you want the final cut ... measure three times and then take it to someone who has a horizontal band saw ... oh yeah, use the blue painter's tape as they said as well.

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