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 Post subject: 454 cu in bearings
PostPosted: Tue Feb 27, 2018 12:46 am 
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Joined: Wed Sep 18, 2013 5:41 am
Posts: 20
Hi all;

Has anyone ever done a bearing roll insitu. I am contemplating doing this as well as desmogging it.

I have 2 (yes 2 Air pumps), with only 230 hp these rob enough power that in the hills (mountains) it

can create problems. I'll probably look at a cam swap as well, maybe 350-375 horse. With peanut port

heads I can't go too aggressive, what are your thoughts?

Rene

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1987 Revcon 31 DB #2715,Doug Thorley headers,new carpet (my screwup) new upholstery,454 cu.in.36k miles,HWH hydraulic jacks, exterior lighting converted LED.


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 Post subject: Re: 454 cu in bearings
PostPosted: Sun Mar 04, 2018 12:37 am 
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Joined: Sat Sep 14, 2013 12:36 am
Posts: 103
Location: IL
Mine had the air pump removed when i got it. I can't say if it helped, because I never had anything to compare to.
Just curious what you have for mufflers?

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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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 Post subject: Re: 454 cu in bearings
PostPosted: Thu Mar 08, 2018 9:45 pm 
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Joined: Wed Sep 18, 2013 5:41 am
Posts: 20
Hi Dave

Mine has twin dynamax or dynaflow, (I can't remember for sure )mufflers with exhaust just forward of rear axle just past the door. Exiting out the side. These are fed out of Doug Thorley headers.

Rene

_________________
1987 Revcon 31 DB #2715,Doug Thorley headers,new carpet (my screwup) new upholstery,454 cu.in.36k miles,HWH hydraulic jacks, exterior lighting converted LED.


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 Post subject: Re: 454 cu in bearings
PostPosted: Sun Mar 11, 2018 3:48 am 
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Joined: Sat Sep 14, 2013 12:36 am
Posts: 103
Location: IL
Those maybe OK. I think they are conventional mufflers, but have deflectors that direct the flow around the corners, rather than the tube just dumping into a chamber. The Magnaflows are a straight through perforated pipe, so they have very little restriction. Made like the old glasspacks, only they use a stainless steel mesh that doesn't burn out as easily.

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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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