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Top speed for a 1978 24'er? Newbie interested.
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Picture of Crazyshakespeare13
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Thanks guys...these are def good starting points. I know it's not the fuel filter or lines as I just had both tanks dropped, recoated, and all lines replaces. I need to check the rest....what is the easiest way to check the muffler/exhaust?
 
Posts: 69 | Location: Ft. Worth | Member Since: 01-02-2014Reply With QuoteReport This Post
Supporting Member of Barthmobile.com 3/19
Picture of Mogan David
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quote:
what is the easiest way to check the muffler/exhaust?

If it were newer, I'd suspect clogged catalytic converter.
Without one, a visual inspection to rule out crushed/kinked pipe should be sufficient.
 
Posts: 2005 | Location: Jackson, Michigan, USA | Member Since: 04-18-2004Reply With QuoteReport This Post
Official Barth Junkie
Supporting Member of Barthmobile.com 1/24
Picture of Steve VW
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Aside from plugged convertors or mechanical constriction in the pipes one culprit could be the exhaust heat riser valve.

One side bank of the V8 will have a flapper valve in the exhaust right near the manifold. It is supposed to close when cold to force exhaust from one bank through a channel in the intake manifold to the other side exhaust, thereby heating the intake manifold.

The valve is supposed to open when warm. If it sticks shut it will restrict the exhaust on that side. May be worth checking.

Some have an actuator to move them, some just a bimetal spring on the valve. Example:



9708-M0037-37MM-01
"98" Monarch 37
Spartan MM, 6 spd Allison
Cummins 8.3 325+ hp
 
Posts: 5168 | Location: Kalkaska, MI | Member Since: 02-04-2011Reply With QuoteReport This Post
Picture of GirlsInPantsTour
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We just bought Matt's 1977 Barth. So happy to come upon it this morning and it was only 1.5hrs away. Crushed home on the highways 55+. It's going to be a fun (and challenging) project. We are thrilled.
 
Posts: 8 | Location: Illinois | Member Since: 05-28-2017Reply With QuoteReport This Post
Supporting Member of Barthmobile.com 1/18
Picture of crouch38
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GirlsInPantsTour ,
Congratulations on the purchase of the Barth . cheers
I'm glad someone is taking on this project to save another piece of BARTH history . Have fun , Bob


Year:: 1986
Model:: Barth Regal
Length:: 25 ft
Engine:: New Chevy 454 HO
Chassis:: P-30
Data Tag Number:: 8606 3339 25FP2
 
Posts: 262 | Location: Wampum , Pa | Member Since: 02-12-2011Reply With QuoteReport This Post
Picture of GirlsInPantsTour
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Thank you! Can't wait until it's usable.
 
Posts: 8 | Location: Illinois | Member Since: 05-28-2017Reply With QuoteReport This Post
Supporting Member of Barthmobile.com 6/12
Formally known as "Humbojb"
Picture of Jim and Tere
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An uneventful 1 1/2 hour ride home?? That's one heckofa good start


Jim and TereJim and Tere

1985 Regal
29' Chevy 454 P32
8411 3172 29FP3B
Gear Vendor 6 Speed Tranny
 
Posts: 3696 | Location: madisonville tn usa | Member Since: 02-19-2005Reply With QuoteReport This Post
Supporting Member of Barthmobile.com 3/23
Picture of Duane88
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My 454, 82, 25 footer, does well and I like to drive it around 60 mph, pulling a 19 foot bass boat. I have run it faster but then I can watch the gas tank gauge go lower, lol I did put new air springs in it and that helped with the stability a bit.
 
Posts: 2047 | Location: Clinton Iowa | Member Since: 04-02-2017Reply With QuoteReport This Post
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