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Six Pack: Narrowing a Gas Tank with Special 79

 

Jay Roche from Special79 is no stranger around these parts. His fab skills are legendary among garage builders around the globe. In an era where mentors are hard to come by and metal-working isn't as common as it used to be, it's a bonus that Jay takes the time to make some tidy, short and sweet how-to videos for the aspiring home builder.

For this ChopCult Six Pack we've assembled a half-dozen of Jay's best instructional clips, along with a few extra comments from the man himself. School is in session.

 

1. In this step it's pretty important to take your time and cut the bottom out as close to the bottom pinch weld as possible, especially if you're looking to keep it close to stock height. The center split and shell narrowing cuts should also be precise, it'll make tacking/welding the new halves together a ton easier

 

2. These steps are pretty self-explanatory. Just remember that welding thinner threaded gas cap bungs with too much heat can screw with the threads or even throw the bung out of round

 

3. If you don't have time or resources to build a tunnel bender, you can get a piece of pipe a bit bigger than your frame backbone, weld some pieces of angle iron to each end, clamp on top of the sheet metal for the tunnel, and hand bend it

 

4. Hammer forming the tank bottom adds strength to the bottom as well as making welding cleaner and easier. If you prefer, you can always make the tank with a flat bottom

 

5. You can buy extended "Frisco style" petcock bungs if you want to save yourself some fab time

 

6. This is mostly a cosmetic detail, but it will make it easier to weld for MIG and inexperienced TIG welders. Make sure the bottom tunnel seam if tacked well before attempting

 

Jay is constantly building tanks, bars, hard tails, and cool, artsy lamps and furniture. Complete bike builds for customers isn't out of the question either. Hit him up if you are looking for some handmade goodness.

 

Special79 blog

Jay's Chop Cult profile


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Comment with Chopcult (33)

Commented on 3-1-2010 At 04:01 pm
 

that was great!

Commented on 3-1-2010 At 04:04 pm
 

and i'd like to see more stuff like that

Commented on 3-1-2010 At 05:30 pm
 

Cool vids. I'll be trying some of those ideas.

Commented on 3-1-2010 At 06:12 pm
 

I hate him. I hate his shop, I hate his tools, and I hate how easy he makes it look. To put it bluntly, I'm jealous..... Nice work bro. Thanks for the tips!

Commented on 3-1-2010 At 06:27 pm
 

have been following Jay's site for awhile and check it daily. Love his style and craftsmanship. His step by step on the take split has helped me tons of frustations on my build.

Thank You for the extra time and energy it takes to share this with us Jay.

Commented on 3-1-2010 At 06:48 pm
 

jay has answered every email i have ever sent him and has even took the time out to send me a beater bag!!!!

A+ guy

Commented on 3-1-2010 At 07:15 pm
 

this is the raddest how to vid on the net. thanks for sharing this with us!

Commented on 3-1-2010 At 07:24 pm
 

this is great! seriously. thanks for the tutorials and video uploads.

Commented on 3-1-2010 At 08:40 pm
 

that was rad. i'd like to see alot more shit like this. now If I could only weld....

Commented on 3-1-2010 At 09:10 pm
 

That was one of the most useful videos that I've seen in a while. Thanks for posting that!

Commented on 3-1-2010 At 11:42 pm
 

Give us more how 2's

Commented on 3-2-2010 At 12:06 am
 

I am lucky enough to own a tank that jay has made. The craftsmanship is phenomenal. He has been nice enough to answer any technical email question i have sent. He is a great guy. When i get off my ass and finish my bike i would love to ride up there and say thanks in person. please keep the vids coming.

Commented on 3-2-2010 At 12:21 am
 

Very nice...a quality 21 minutes of goodness

Commented on 3-2-2010 At 12:33 am
 

Wow... thank you.

Commented on 3-2-2010 At 12:36 am
 

I only wish I had the right tools for the job! My garage is lacking of proper equipment, but even so, I do my tricks sometimes..

Commented on 3-2-2010 At 02:30 am
 

Jason should be a millionaire, his work is that good. The tutorial videos are amazing!

Commented on 3-2-2010 At 02:37 am
 

He knows his shit, that's for sure! Post more of these!

Commented on 3-2-2010 At 02:41 am
 

Jay narrowed a tank for me and it is awesome, new tunnel and bottom and all, I can't imagine it having turned out nicer.

Commented on 3-2-2010 At 02:41 am
 

amazing work , i learned alot from those clips thanx for sharing

mikey

Commented on 3-2-2010 At 03:36 am
 

This is exactly the type stuff I love seeing. Great job.

Commented on 3-2-2010 At 06:51 am
 

very cool.

Commented on 3-2-2010 At 09:55 am
 

thanks for this!
great skills!

Commented on 3-2-2010 At 03:21 pm
 

REMEMBER TO HONE YOUR SKILLS EVERY CHANCE GIVEN TO YOU.SO WHAT IF YOU SCREW UP A PIECE OR TWO.AFTER AWHILE I JUST BECOMES SECOND NATURE TO DO FAB WORK.WELL,HOPEFULLY.THIS IS JUST THE KIND OF INFO THAT MAKES THIS SUCH A GREAT WEB SITE!

Commented on 3-2-2010 At 03:27 pm
 

HEY SUPERKNUCK,

Please whisper in ChopCult... NOBODY LIKES A SCREAMER (unless she's on all fours)

Thanks!

Commented on 3-2-2010 At 05:58 pm
 

jay veryyy nice clips! you know i feel stupid, never thought to hold the filler cap close out disk in with a little magnet pen haha! i always just kinda hold it at an angle get a tack on it then bend it into location. you are a smart man. oh and the laser sight up the tank....... fuckin smart! thats always the biggest pain in the asss to me.

Commented on 3-2-2010 At 07:36 pm
 

Frigging Genius! Thank you.

Commented on 3-2-2010 At 09:07 pm
 

Easy... wait why doesn't mine look like that?
Nice vids. Cheers

Commented on 3-3-2010 At 12:08 am
 

matt @ dice told me about jay awhile back, so i had him narrow a tank for me. he nailed it & on time... his prices are fair & he's easy to communicate with. keep up the good work jay !

Commented on 3-3-2010 At 12:39 am
 

mad more stuff to inspire me to get the slicey saw onto my tank.

Commented on 3-3-2010 At 03:29 am
 

I cant tell you how many times I've watched these on his Blog!!! There very helpful...

Commented on 3-7-2010 At 04:02 pm
 

That was great! Thanks for the postings, hope you post more!!!!

Commented on 3-7-2010 At 05:15 pm
 

Thanks for all the love people, I'll keep posting fab how-to vids whenever possible.

Commented on 3-28-2013 At 02:59 pm
 

Awesome videos. Thanks.

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