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Allegro/P-30

A place to share information about and to get help with your Tiffin Allegro and its P-30 Chevy chassis. I'm amazed at the seemingly infinite combinations of floor plans throughout the years. 

Members: 28
Latest Activity: on Saturday

Discussion Forum

Dash Controls 5 Replies

has anyone had to replace their dash AC/Heater controls or have a diagram and can provide some direction. Also has anyone replaced with after market controls.  My controls have fallen apart and not…Continue

Started by Gary R Larkin. Last reply by John Harrison Jul 25, 2022.

Operation overdrive. 8 Replies

Well the 4l80e is in place. The drive shaft is cut and remounted. The holes for transmission cross member are drilled. The wiring for trans controller is run up to cab. All in all this are going good…Continue

Started by Philip Wolsonovich. Last reply by Sam Mason Jul 25, 2022.

Refrigerator replacement 2 Replies

Has anyone replaced their refrigerator? I have a 1985 28 ft Allegro/P-30 that needs the fridge replaced, but by measuring, it won't fit through the door frame even with the fridge doors removed. The…Continue

Started by Richard Pyne. Last reply by R.L Hegler Aug 4, 2021.

Suspension air bags 13 Replies

Has anyone replaced the coil airbags? If so how did you get them in. The instructions say to twist the air bag but I can't get it to untwist once it is in coil.

Started by Philip Wolsonovich. Last reply by Sam Mason Jun 12, 2021.

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Comment by Jim Stoltz on March 30, 2017 at 10:18pm

Yeah those window awnings are a lot of work - someone spared no expense on that one! I'm always excited when I see another vintage Allegro. People seem to like to see them out and about too - they're antiques now (just like me I guess)

Comment by Daniel Long on March 30, 2017 at 8:20pm

LOL! I saw that Allegro with window awnings and commented on that to him! Guess we Allegro owners all have that knee-jerk reaction to seeing them in other people's videos.

:-)

Comment by Jim Stoltz on March 30, 2017 at 8:08pm

Daniel - I was watching that Class A Living guy's vids and he spotted this in one of his boondocking vids. How cool is that (I grabbed a still frame from the vid)?

Comment by Jim Stoltz on March 30, 2017 at 6:40pm

I guess I dodged a bullet on that one. I was kind of surprised to see discs back there. I had no idea you had to remove the axles to remove the drums. A buddy of mine has an '87 28 footer with drums. I never thought to ask him about it.

Comment by Philip Wolsonovich on March 30, 2017 at 6:05pm
Oh man I wish mine had disc in the back. Mine are drums and you have to remove the axles to take off the drum.
Comment by Jim Stoltz on March 30, 2017 at 5:48pm

Phil - yes it is pretty easy to level. I carry ramps anyway. I try to spitball it with the ramps first, then finish up with the air bags. Combined with the ramps, the bags give me a pretty big range. The rig is almost level in that pic and it's basically hanging off a cliff.  

I do plan to hack the old bags out with a sawzall. There's not much left of them. I really would like to get this done before the next trip to see how much of a difference it makes.

I also got a flow-through TPMS system that monitors air and temperature. I'm super paranoid about a blow out so I figured it was a worthwhile investment. I need to get that installed too.

My gut tells me to check the rear brakes too. I haven't looked at them since I bought it. They work okay but it can't hurt to take a look back there. Thankfully it has discs in the back so it's easy to work on.

Comment by Philip Wolsonovich on March 30, 2017 at 5:24pm
I'd love to get those rear air bags come day Him. Would save storage space from all the blocks and be a whole lot easier to level.
Comment by Philip Wolsonovich on March 30, 2017 at 5:22pm
A sawzal works great for getting old bags out. The instructions show pulling the intact air bag out bottom hole. Trust me the old bags are so stiff that won't happen. And put the top plastic piece in before the air bag gets to car in or it's a real bugger.
Comment by Philip Wolsonovich on March 30, 2017 at 5:17pm
Be sure to inflate slowly and re-ajust as necessary. It's a bit tricky but they do seat nicely in coil spring. Be sure the valve stem is as straight as possible before final inflate. My air bags hole air for about four months before needing a few pounds.
Comment by Jim Stoltz on March 30, 2017 at 4:59pm

Thanks Daniel. I found his video here: https://www.youtube.com/watch?v=vE20DUy5njk

He has some cool videos. I wonder what the springs are attached to his lower control arm? I don't have that. Some sort of stabilizer?

I got "Air Ride" bags - supposedly the correct ones.

My rear bags are part of a Jet Ride system installed by the original owner. Back in the day, it was an obscenely expensive air-ride system that for some reason he thought was necessary. When it works it's great. But it's far from maintenance free. There are leaks all over the place, but none are so big that the compressor can't compensate. The good part is that I have a wide range of up/down and side-to-side adjustment in the rear. It keeps me from scraping (much) on the steep approach to my driveway.

 
 
 

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Discussion Forum

Refrigerator replacement 2 Replies

Started by Richard Pyne. Last reply by R.L Hegler Aug 4, 2021.

Last camp or for the year 2 Replies

Started by Philip Wolsonovich. Last reply by Daniel Long Feb 8, 2019.

Another successful trip

Started by Philip Wolsonovich Jul 6, 2018.

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