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Old 08-04-2009, 10:40 PM   #1
1 Rivet Member
1985 32.5' Airstream 325
MILWAUKEE , Wisconsin
Join Date: Jun 2009
Posts: 5
Images: 6
Bam 325 454

I am traveling in NC from WI
I have blown the engine in my 85 325.
I am going to have a company near statesville, nc install a new/rebuilt motor.
What is my best option to do it economically?
What would be my best option if I had a bigger budget, and wanted better performance. i already have a banks system, gear vendors overdrive, and some other little add ons
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Old 08-09-2009, 04:37 PM   #2
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1974 20' Argosy 20
Richmond , Kentucky
Join Date: Jan 2003
Posts: 8,757
Wow, sorry to hear about your engine problems.

I would buy a crate motor form GM and have it installed. I believe they have a decent warranty and turn around time would probably be faster that way.

There will be nothing economical about the replacement. Its a lot of work to pull the engine and replace/rebuild it. I'm in the process of doing it on my 74 Argosy motorhome and its a chore to say the least.

If you wanted better performance and have the money then a 502 crate motor with fuel injection and a lot of cooling fans would probably a nice upgrade.

I would stay away from a diesel conversion due to the excessive cost and fair amount of changes that have to take place.

Good luck!

Air forums # 1674
1974 20' Argosy Motor Home
1975 24' Argosy Motor Home
1974 31' Excella trailer (parting out, as of 4/1/2015 I have wheels & windows left to sell)
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Old 08-11-2009, 11:45 PM   #3
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1978 28' Argosy 28
eatontown , New Jersey
Join Date: Apr 2009
Posts: 20
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Would love to know the options, Ive got the 454 also in 78 argosy and can barely make it over NJ mountains!
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Old 08-13-2009, 08:03 PM   #4
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1984 28' Funeral Coach
Belleview , Florida
Join Date: Jun 2005
Posts: 1,635
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WCJ, sorry to hear about your troubles.

I am on my shakedown cruise after a complete transplant of motor, tranny, gearvendor.

Nothing is easy...or fast when you tackle the big job. The good news is that you can take it out the front.

Performance and cooling are the keys in my opinion. Heat is the enemy and if you're going to do it go whole hog to the point of your budget.

You want to find the best combination of torque and horsepower you can afford. All while keeping fuel economy in the forefront of your equation.

502 sounds like a good idea but with what you have already a new crate 454 with an RV cam would likely do the job. It's a bunch of coach behind that motor so I guess size does matter.

For the record how many miles did you have on it and has anyone diagnosed what cased the thing to go BAM?

FYI I passed through the area this week and it has been hot. I'm glad to be heading into the mountains for the weekend.
Glen Coombe AIR #8416
1984 28' Funeral Coach
Former Rolling Showroom & PuttLab (now party bus)
"I'm not an expert. But I did sleep in an Airstream last night."
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