HomeForumsTechnical – GeneralExhaustMaking some kick ass pipes for 2nd gen commodore

This topic contains 147 replies, has 11 voices, and was last updated by Profile photo of VRSenator065 VRSenator065 9 years, 1 month ago.

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  • #7449
    Profile photo of vs manta 218
    vs manta 218
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    No they actually miss interrupted me and sent me a weird ass weld together collector that is hideous so I got a set of aeroflow slip on stainless collectors

     

    they go from 2 3/4 to 3.5 inch

    #7450
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    Anonymous Member since: January 1, 1970
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    Ahhh ok!

    #7453
    Profile photo of vs manta 218
    vs manta 218
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    See them in the pic

     

    thats it, no little quarter cuts for the internal parts of pipes or nothing

     

    the pipes don’t fit in it nicely, and I have no idea how one would weld it up as when you put 4 pipes in it there is 5mm gaps every where

     

     

    And here is the Aeroflot ones I got

     

     

    #7455
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    Anonymous Member since: January 1, 1970
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    It’s easy when you know how :yahoo:

    #7457
    Profile photo of vs manta 218
    vs manta 218
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    Like this ??

    Yes I googled it when I first received it lol, but the pipes do t fit in the merge very nicely either

     

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    #7462
    Profile photo of VRSenator065
    VRSenator065
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    • Adelaide SA
    • VR Senator LSx454 1960 Kombi (project) 1921 Nash Hot Rod (future project)

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    Once again mate full marks for having the kahoonas to tackle this yourself.

    #7473
    Profile photo of vs manta 218
    vs manta 218
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    Cheers gary, i wont lie at first when i got about 2/3 i though i wasnt goin to be able to get them in and out but its worked out quite well and can get them in and out nicely

    #7503
    Profile photo of vs manta 218
    vs manta 218
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    Passenger side is starting to come together

    So now at this stage I know witch is longer and shorter so instead of just making them all take the quickest path to the collector I know cyilendar 6 (the top pipe) is the shortest so it will wrap around the rest and go in the collector at inner side bottom, and cyilendar 4 (second from bottom) is second shortest so it will also be the one to do the wrapping around to collector

     

    cyilendars 1 and 8  (lowest and second from top) been the longest will take the quickest paths to collector

    #7509
    Profile photo of vs manta 218
    vs manta 218
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    Done

     

     

     

     

    #7510
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    vs manta 218
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    And drivers side for any that have missed it

     

     

     

    #7546
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    vs manta 218
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    All made up

     

    brother in law is tig welding it up for me

     

    so full exhaust on my v7 blowen 355 is 4 into 1 pipes that are 1 7/8 for 8 inches then 2 inch for total length of 40 inches with a slip on merge collector that is 2 3/4 inch then tappers to 3.5 inch and 3.5 inch Magna flow 100cpi cats and 3.5 inch pipes to 100 mm past second join flange then tapers down to 3 inch rest of way with custom merge for 12 inches with diffilipno mid mufflers and varex rear mufflers

    :yahoo: :yahoo: :yahoo: :yahoo: :yahoo: :yahoo:

     

    #7549
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    Kroozer
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    You Sir win.

    That is all  :good:

    #7551
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    LUBE UP
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    :good: Good job mate,  :good:

    #7573
    Profile photo of vs manta 218
    vs manta 218
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    Thanks people’s

     

    It’s massively sign of relieve know I have actually done it, as the whole time it’s always a little daunting if it’s actually possible to fit 4 by 2 inch pipes past a high torque starter motor and around a steering rack, but it can be done, and it’s possible to make them all similar length as well and all with no real plan it was just go with the flow when I was making them

    #7578
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    sands vs
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    So what was the total cost to build them you would have saved yourself a fortune in the process

     

     

    Getting them coated ?

    • This reply was modified 9 years, 4 months ago by Profile photo of sands vs sands vs.
    #7581
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    Dan811
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    All made up brother in law is tig welding it up for me so full exhaust on my v7 blowen 355 is 4 into 1 pipes that are 1 7/8 for 8 inches then 2 inch for total length of 40 inches with a slip on merge collector that is 2 3/4 inch then tappers to 3.5 inch and 3.5 inch Magna flow 100cpi cats and 3.5 inch pipes to 100 mm past second join flange then tapers down to 3 inch rest of way with custom merge for 12 inches with diffilipno mid mufflers and varex rear mufflers

    LOL I think I had to read this sentence 5 times to understand it…

    Well done mate, it looks like a huge undertaking with plenty of niggles, but something you should be really proud of. I can’t imagine a professional  could do a much better job than that anyways

    #7597
    Profile photo of vs manta 218
    vs manta 218
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    Total cost of material was $650 for the diffilipno stuff and $400 for collectors and will be another $400 for HPC witch iv found a place local to me that uses cerakote Heat barrier product that will be black

     

    iv got a few parts I don’t need, such as a bit of 3 inch pipe and them weld on collectors and a few left over 2 inch flanges, but I used every single bend I had from diffilipno

     

    I know another person   Who brought a set second hand that are very similar and are  1 7/8 for first 10 inches then 2 inch 4 into 1 and they suposdly cost $3500+ to build new and sold for $1500 years later and they haven’t been HPC coated

     

    honestly I carnt see anyone building these and fully tig welding them for under $4g as the labour hours would be enormous

    #7598
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    Anonymous Member since: January 1, 1970
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    Most quotes I’ve seen for this sort of work are around the 4K mark, finished my last set for just under 1K.

    #7602
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    vs manta 218
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    Yeah I would expect to pay around $4G for a set custom made by someone, if it come in at $3500 I would be really surprised and I wouldnt at all be surprised if it went to $4500 and would expect another $400+ On top for HPC

     

    your set look amazing IJ you did a really nice job

    #7603
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    Anonymous Member since: January 1, 1970
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    Yeah I would expect to pay around $4G for a set custom made by someone, if it come in at $3500 I would be really surprised and I wouldnt at all be surprised if it went to $4500 and would expect another $400+ On top for HPC your set look amazing IJ you did a really nice job

    Thanks Manta, would have been nicer if I could TIG better in steel…

    Yours came up much better than expected considering the squeeze to get 2″ in there, well done!

    In hindsight I should have done them with Merge Collectors like you did would have made it possible to pull the pipes without dropping the engine and subframe….

    Sometimes you get stuck in your ways been doing them like this forever, maybe if I ever do another set… :wacko:

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