Hot!1983 P30 rebuild

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maintainfloyd
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Re:1983 P30 rebuild 2013/12/03 19:33:36 (permalink)
message me about the sink... you know I live close enough to pick it up ;)
 
#61
kapowtruck
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Re:1983 P30 rebuild 2013/12/04 22:32:30 (permalink)
maintainfloyd

message me about the sink... you know I live close enough to pick it up ;)


 
just pmd you
#62
kapowtruck
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Re:1983 P30 rebuild 2014/01/18 13:07:35 (permalink)
Hey Gang,
 
So been driving around in the truck to get a better feel how it handles with the weight. The one problem I have is the sway of the truck and being un balance sine the old owners put everything on one side. Anybody figure out a way to balance the back out?
#63
RichardFla
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Re:1983 P30 rebuild 2014/01/19 12:21:48 (permalink)
You could use Goodyear air bags and have the Cadillac ride as a plus,or have extra leafs added to the side that leans to even out or carry the extra load.
#64
maintainfloyd
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Re:1983 P30 rebuild 2014/01/21 11:40:38 (permalink)
Leaf springs are the cheapest way to go, if you already have airbags then you can adjust the pressure on each side.
 
#65
kapowtruck
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Re:1983 P30 rebuild 2014/01/22 21:12:34 (permalink)
Was looking at firestone airbags they re 350 for  a pair.  I'll see which way i'll go in a few weeks thanks everyone!
 
 
#66
kapowtruck
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Re:1983 P30 rebuild 2014/01/22 21:12:35 (permalink)
Was looking at firestone airbags they re 350 for  a pair.  I'll see which way i'll go in a few weeks thanks everyone!
 
 
#67
kapowtruck
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Re:1983 P30 rebuild 2014/01/27 19:04:52 (permalink)
Window is in! 
 





#68
kapowtruck
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Re:1983 P30 rebuild 2014/01/31 13:07:14 (permalink)
Anybody used these before? http://  store.  stepvanparts.com/  FIRESTONE-REAR-AIR-HELPER-SPRINGS-STEPVAN.HTM
 

#69
Dr of BBQ
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Re:1983 P30 rebuild 2014/01/31 13:22:32 (permalink)
What makes you think you need the air spring helpers? And in the pictures above your window is very high isn't it? I mean the reach from the ground customers side. If your truck is leaning to one side and you can't move equipment to offset it, just go to a local spring shop they can adjust the number of springs on one side (add or subtract from the other) for less than what it's going to cost to buy and install airbags.

Jack
post edited by Dr of BBQ - 2014/01/31 13:26:20
#70
kapowtruck
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Re:1983 P30 rebuild 2014/02/01 18:17:12 (permalink)
That's a good idea too. Tech said it ride better overall w/o too much swaying at 65mph
#71
Dr of BBQ
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Re:1983 P30 rebuild 2014/02/01 19:39:07 (permalink)
You shouldn't have any sway at any speed, unless you have an alignment problem. Except for the fact that your driving a box down the road and the wind will effect it. But don't expect it to handle like your car ether. When you go to a spring shop ask them to put your springs under the axle rather than on top as they come from the factory. Otherwise your window is going to be way too high for customers standing outside. If your springs are like mine that will drop your truck height from 8 to 11 inches. That will make it easier to go in and out carrying product and as I said drop your service window height.
post edited by Dr of BBQ - 2014/02/01 20:02:23
#72
kapowtruck
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Re:1983 P30 rebuild 2014/02/01 23:10:03 (permalink)
Dr. With the spring underneath the axle help with the bouncing also?  Yea still getting use to driving something this big lol.
#73
Dr of BBQ
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Re:1983 P30 rebuild 2014/02/01 23:40:36 (permalink)
Putting the springs underneath the axle will only lower your truck. It should not have much effect on how your truck handles to my knowledge.
 
You know who can give really good advice on this topic is someone that races round track cars. And I mean an old timer that races dirt track or builds race cars. Do you have a dirt track in your area? If so start asking friends if they know any of those guys. Then ask who builds the best frames or entire cars. These guys are half black smith, half computer techs. They can look at a race car from 50 yards and tell you how it will handle in the corners.   
 
When do you get the bounce? Just driving down the road or after crossing railroad tracks? Hitting a pothole or just on a good smooth road? Your springs may just be shot or your truck may be under springed (SP) for the weight your carrying.
 
What model truck do you have? What was it used for before it was converted to food service? How long is it? What equipment do you have in it and what does  each item weigh? Do you have a weigh scale in your area? What's the total weight? And this is important how many springs (LEAFS) are there per side on the back axle?
 
LMAO I know a lot of questions but it's hard to figure out what might be your problem from here.
 
Go find a race car driver/builder and make friends. Then go from there.

http://www.youtube.com/watch?v=5TjN0FjgCzo
http://www.suspensionspecialists.com/tech0004.html  
Jack
 
post edited by Dr of BBQ - 2014/02/01 23:47:52
#74
fishscale28
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Re:1983 P30 rebuild 2014/02/02 00:00:13 (permalink)
The air springs are great for keepings things even.  I have a similar setup and only use them on the side with all my equipment.  
 
The Doc is correct your window is rather high...which mine is too so I can empathize.  From the truck's floor my window starts at 36" above the floor which should be about normal...considering most equipment (coolers, etc.) are that height.  BUT  my truck is much, much higher than other trucks do to suspension, model specifications, whatever it might be.  People have to reach up to get their food and its not as convenient as some would like but it works.
 
The Doc is also correct about putting he springs below the axle-often times called  a flip kit (where you flip the orientation of the springs from on top of the axle to below).  The only problem with doing something like this and an extreme drop in your suspension height requires a notch in your from and then a notch in your cab....kind of like extending the depth of your wheel wells (so the axle then needs space to fit inside the floor of your kitchen).  Makes a big hump and is a pretty big inconvenience. 
 
Often times a flip kit/lowering makes more of a pronounced bounce...If you're looking to balance things and cushion the ride then go with air bags...extra springs on one side will give you more support but is more to bounce on whereas air bags absorb a bit more than springs.  
 
These things drive like shiznit...it's just a part of it.  Most of these trucks were designed to carry a bunch of weight but not like we do it...with equipment, water, waste, etc.  Just learn how to drive it best, do what you can to compensate and learn what you can get away with and what you can't...
 
Cheers!
 
#75
Dr of BBQ
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Re:1983 P30 rebuild 2014/02/02 09:48:06 (permalink)
I would hope anyone that is smart enough to operate a ratchet  would never move a set of springs to below the axle, if the rear end would not clear the floor. LOL
 
And I assume you meant a notch in the frame (not from) but  why would that be necessary?
 
And my wheel wells will still have 8 inches of clearance after we drop the springs to the underside of the axle.
#76
kapowtruck
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Re:1983 P30 rebuild 2014/02/02 12:15:26 (permalink)
Thanks for all the info Jack and fishscale!
 
Yea my truck is a 1983 Chevy Grumman Olsen P30 17.5 ft long. 2 deep fryers, 1 char broiler, and 6.5 ft hood.  The last owner was a tasty cake driver then decided to get into the mobile food industry. It bounces just driving down the street so I think the springs are pretty shot. 213k on the chassis too. You can see it sagging here.

Unfortunately no tracks here in Delaware (Delawhere?) pretty boring here lol. Just like Fishscale my window is about 36inches up from the truck floor. Been doing mostly catering from it since its not fully wrapped yet, but i notice the height of the window because I have to jump and grab the awning to close it lol.  Depending on funds I might do the air bag route b/c I want keep the truck for at least 2 years before I upgrade to a bigger one. Again thanks for all the help guys!
 
 
Cheers
 
Wit
#77
Uncle Groucho
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Re:1983 P30 rebuild 2014/02/02 14:39:55 (permalink)
If your truck is swaying or bouncing too much its because of the shocks , not the springs. If you flip the axle you will see nothing but sky and you will be scraping the ground. Air bags are great if properly installed , and properly maintained , if the lines have condensation in them they will freeze , its hard to give good advise just from a picture , go ask a pro who can see it in person. Tall vehicles are going to sway at speed just because of the wind turbulence. Good luck.
#78
fishscale28
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Re:1983 P30 rebuild 2014/02/02 19:38:17 (permalink)
Notches are necessary in the frame in order to allow the clearance required for the axles to fit comfortably and allow sufficient travel of the suspension.  There is a guy with an ice cream truck around here (Joe Snow-check his trucks out on FB) and he's lowered his truck so much with airbags that the frame just about sits on the ground when he parks and deflates.  So low the floor had to be notched to allow everything to fit.  Doesn't have to worry about window being to tall though!
 
Some of these trucks seem to have more clearance in the wheel wells than others.  Mine for example can be lowered significantly and wouldn't have any problems with the wheel wells.  Other trucks don't have that luxury so it's definitely a case by case basis.  And even if you have enough clearance in the wheel wells doesn't mean the frame won't interfere with travel.  Again-just kind of depends on the current setup of the factory suspension.
#79
kapowtruck
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Re:1983 P30 rebuild 2014/02/03 11:27:41 (permalink)
I was searching google and didn't realize he's on the forum. I would love to drop my truck like this when I sell and raise it while I drive!  I would love to see his set up. Funny i have some left over underglow neon from my fast and furious days. I should throw the on the truck too. I really like the "swag" of his truck.
 

post edited by kapowtruck - 2014/02/03 11:34:09
#80
fishscale28
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Re:1983 P30 rebuild 2014/02/03 14:10:06 (permalink)
Yeah it's a cool ride.  He has two.  Big notch in the floor though to fit everything.  I'm sure it's easier to setup up an ice cream truck so you don't have to walk back and forth too much but for our trucks it would be a bit harder.  Definitley doable though!
 
#81
kapowtruck
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Re:1983 P30 rebuild 2014/02/03 20:55:25 (permalink)
Yea that would be a problem/tripping hazard lol  Here a vid of a p40 with bags
http://www. youtube. com/watch?v=KOjQk-y30ws
post edited by kapowtruck - 2014/02/03 22:17:43
#82
kapowtruck
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Re:1983 P30 rebuild 2014/02/12 01:13:35 (permalink)
ALmost got 100% of my sink done!
 


#83
kapowtruck
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Re:1983 P30 rebuild 2014/02/14 20:02:40 (permalink)
Finished the pluming today finally! it was only 36 degrees out!
 

#84
maintainfloyd
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Re:1983 P30 rebuild 2014/02/19 12:18:11 (permalink)
I'm going to try to swing by to see this in person this week. Looks good, I see what you mean by the hoses. 
#85
fishscale28
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Re:1983 P30 rebuild 2014/02/19 17:17:59 (permalink)
Looking good.  Can you get away without having a P trap on your sink drain and without having a backflow preventer?  I know a lot of restaurants here can get away without a back flow preventer using an air break (like you did) but didn't know if your health department had an opinion either way.  Just curious.  Looking good though!
#86
chefbuba
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Re:1983 P30 rebuild 2014/02/19 19:26:36 (permalink)
The air gap in a mobile set up is a pain in the ass. Guess incorrectly or drain the sink too fast, and now you have waste on the floor,
I would put a p trap under the bell if it open directly to your waste tank otherwise your going to be smelling that crap all day.
What's with all the valves?
#87
kapowtruck
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Re:1983 P30 rebuild 2014/02/20 00:11:53 (permalink)
Thanks for the compliments!
 
Yea in DE they Prefer 1 one inch air gap. I really hate it because its messy. The original sink didn't have p traps either with the 1 inch air gap too.
Where should I put the p trap?
The valve are for fill the the tank or if I use my city for constant flow.
 
Yea dude i'll be around Friday and Saturday night.
 
#88
kapowtruck
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Re:1983 P30 rebuild 2014/02/23 23:32:32 (permalink)
New shelves put in today!

#89
ReemoCharles
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Re:1983 P30 rebuild 2014/03/02 14:29:26 (permalink)
Hello,

You idea looks great, and I am following you now on FB. I am new to the forum, and am interested in getting into the food truck business.  Can you lead me to a place where I can possibly find a truck like yours? Any help or leads would be appreciated.
#90
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