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PostPosted: Mon May 09, 2022 4:53 am 
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Joined: Sat Sep 14, 2013 12:36 am
Posts: 145
Location: IL
Austro-Revconeer wrote:
"Slantmobile" - because my Revcon has got an Oldsmobile engine? :lol:

I have asked Nick about the settings, let' s see what he writes back. ;)

Why are the specs different? Because of the smaller Olds engine - less front weight?


OK, so there is the flat nose Revcon, which is Olds. The slant nose was custom drivetrain with a 454 engine. The new body style was made to accommodate the new drivetrain, however they were not able to make the switch for a few years, so '78 is the new body, with the older drievtrain. So we have chosen to affectionately identify your coach as a Slantmobiile. I don't remember who coined that term, but it works, so it stuck.

As far as the difference, the drivetrain is quite different. Yes, the suspension is conceptually the same, but is much bigger and heavier. The drivetrain is very different, as the engine has the transmission behind it and uses a transfercase with a driveshaft running forward to a Dana 70 running in reverse. The axle tubes are cut off, so there are still half shafts and independent front suspension, but everything was custom built. They used wear parts common to other vehicles, but the A frames are custom welded assemblies. Because of the conventional orientation of the engine and trans configuration, I was able to swap out to a 502 and switch to a 4 speed trans.

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Dave

The Flying Fortress
'83 Revcon Prince 31' FWD
502 w/Howell/GM 16197427 ECM/Edelbrock MPFI,Thorley's & Magnaflows,
4L85E 4 speed, KoniFSD,
Yes it is SOLD

FMCA F298817


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PostPosted: Mon May 09, 2022 6:18 pm 
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Joined: Thu Jan 21, 2021 10:51 am
Posts: 88
Thank you very much for your information.

My 1979 seems to be one of the last produced Revcons with the Oldsmobile UPP, which contains a wide roller chain drive and a final drive connected directly to the
transmission. Nice detail: The former owner of my Revcon ordered new drive axles for a 1978 Oldsmobile Toronado from Rock Auto and changed them twice in 20 years - they fit. Amazing, because they look so small an tiny. :lol:

Manufacturing date of my Revcon: April 1979.

They introduced the new drivetrain in March 1979 and it was available from July 1979 for the 30-foot Revcons.

I am just curious: Did Revcon also use stronger torsion bars for the Slant Noses in comparison to my Slantmobile?

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1979 Revcon Camelot 30ft. 403 L80 Oldsmobile Toronado FWD UPP


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PostPosted: Tue May 10, 2022 11:53 pm 
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Joined: Sat Sep 14, 2013 12:36 am
Posts: 145
Location: IL
Everything is heavier in the later drivetrain. The front suspension is rated for 5000 lbs, so the torsion bars are bigger. There is a GMC shop here that has worked on a few Revcons. He was amazed when he saw the size of the front C-V joints. Apparently they are much larger than the Toro/GMC one he was use to seeing.
Most '79 year coaches were still Slantmobiles. Maybe 1/3rd of the '80 year coaches are still Slantmobiles. Pretty much by '81, those were all the later drivetrain. So the conversion took several years. The front suspension was designed by Peter Bryant - vise president of engineering for Revcon. He was an interesting guy. You can search his name along with Legends of Riverside on you tube to see some videos about him.

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Dave

The Flying Fortress
'83 Revcon Prince 31' FWD
502 w/Howell/GM 16197427 ECM/Edelbrock MPFI,Thorley's & Magnaflows,
4L85E 4 speed, KoniFSD,
Yes it is SOLD

FMCA F298817


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PostPosted: Wed May 11, 2022 7:34 am 
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Joined: Thu Jan 21, 2021 10:51 am
Posts: 88
Thank you for the valuable information. I' m going to be at my mechanic's repair shop in about 3 weeks. Let' s see how the torsion bar exchange will work out.
BR
Matt

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1979 Revcon Camelot 30ft. 403 L80 Oldsmobile Toronado FWD UPP


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