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10-24-2012, 01:06 PM
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#1
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Silver Bullet
1986 34.5' Airstream 345
choctaw
, Oklahoma
Join Date: Mar 2006
Posts: 839
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Pully that 454
I have started my winter project.
Objective: Pull the 454 cid engine and rebuild it into a 496cid with hydraulic roller cam. While I'm in the area: new 140 amp 1 wire alternator, new A/C compressor, hydraulic pump, high volume oil and water pump, new hoses, and many more to be discovered.
First a picture as it was
down to the cooler draining
looks like I need to add more parts to my parts list
what a mess!
Got to stop at this point to recover from eye surgery for 2 weeks.
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10-24-2012, 01:16 PM
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#2
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Rivet Master
Currently Looking...
1984 31' Airstream310
Ajo
, Arizona
Join Date: Mar 2007
Posts: 7,649
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i would assume the new engine has a better manifold design than the 454. Kudos to you! Keep us informed!
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10-24-2012, 01:16 PM
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#3
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Rivet Master
1974 20' Argosy 20
Richmond
, Kentucky
Join Date: Jan 2003
Posts: 9,115
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Great! I'm definitely going to keep my eyes on this thread!
I really like that scoop under your bumper channeling air to the cooler. Great idea.
Thanks!
Brad
__________________
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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10-24-2012, 01:24 PM
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#4
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Rivet Master
1981 31' Excella II
New Market
, Alabama
Join Date: Sep 2011
Posts: 6,145
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Is the motor already fuel injected? The roller cam is a good idea and is a weak spot on these older push rod V8's. The roller cams are one reason modern engines last so much longer.
Perry
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10-24-2012, 03:04 PM
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#5
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Rivet Master
1977 Argosy 24
Currently Looking...
Milltown
, Wisconsin
Join Date: Mar 2006
Posts: 1,087
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I would NEVER go to a one wire alternator in a motor home. You need the voltage sensing ability of a 3 wire system. A one wire alternator is only good for a tractor with a limited electrical system. Go to this link and read about it before you waste your money on a one wire alternator. Brian
Catalog
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10-24-2012, 06:39 PM
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#6
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Silver Bullet
1986 34.5' Airstream 345
choctaw
, Oklahoma
Join Date: Mar 2006
Posts: 839
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Quote:
Originally Posted by Mike Leary
i would assume the new engine has a better manifold design than the 454. Kudos to you! Keep us informed!
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Already have the 'Banks' system on it. The intake may get changed if it's not aluminum. Do plan to re-use the TBI I have on it.
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10-24-2012, 06:45 PM
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#7
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Silver Bullet
1986 34.5' Airstream 345
choctaw
, Oklahoma
Join Date: Mar 2006
Posts: 839
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Quote:
Originally Posted by bkahler
Great! I'm definitely going to keep my eyes on this thread!
I really like that scoop under your bumper channeling air to the cooler. Great idea.
Thanks!
Brad
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Looks like the oil cooler is going to be in the way and the scope may get a redo. I have another (trany) cooler behind the right headlight.
after I took the radiator off, I power washed it, the A/C condenser, and the main trany cooler. With all the trash I washed out of the fins no wonder it runs hot.
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10-24-2012, 07:01 PM
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#8
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Silver Bullet
1986 34.5' Airstream 345
choctaw
, Oklahoma
Join Date: Mar 2006
Posts: 839
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Quote:
Originally Posted by ventport
I would NEVER go to a one wire alternator in a motor home. You need the voltage sensing ability of a 3 wire system. A one wire alternator is only good for a tractor with a limited electrical system. Go to this link and read about it before you waste your money on a one wire alternator. Brian
Catalog
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Interesting! Never thought about down steam voltage. May be why the warning lights 'low coolant' and 'water in fuel' are on at times now for no reason.
Well re-think that and complete reading the link at a later date.
I need to go put an ice pack on my forehead now. I hate getting cut on!
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10-24-2012, 07:35 PM
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#9
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Rivet Master
2002 25' Safari
1977 20' Argosy 20
northern valley
, new jersey
Join Date: Nov 2008
Posts: 532
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Quote:
Originally Posted by choctawmel
after I took the radiator off, I power washed it, the A/C condenser, and the main trany cooler. With all the trash I washed out of the fins no wonder it runs hot.
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what do you like for a cleaning agent on coiled & finned radiators & coolers, etc.?
__________________
Joseph & Gabrielle
Simplicity is the ultimate sophistication - Leonardo da Vinci.
WBCCI 2087 - AIR 3144 - TAC-NJ2
https://defendwally.org/
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10-25-2012, 04:36 AM
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#10
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Airstream Driver
1994 30' Excella
1992 35' Airstream 350
Austin
, Texas
Join Date: Feb 2002
Posts: 5,224
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Quote:
Originally Posted by choctawmel
Looks like the oil cooler is going to be in the way and the scope may get a redo. I have another (trany) cooler behind the right headlight.
after I took the radiator off, I power washed it, the A/C condenser, and the main trany cooler. With all the trash I washed out of the fins no wonder it runs hot.
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My Hi-tech bug collection system for the big trips You would be amazed to see what all you catch...
__________________
1994 30' Excella Front Kitchen Trailer
1990 25' Excella Travel trailer
1992 350LE Classic Touring Coach
AIR #13
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10-25-2012, 07:31 AM
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#11
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Silver Bullet
1986 34.5' Airstream 345
choctaw
, Oklahoma
Join Date: Mar 2006
Posts: 839
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Quote:
Originally Posted by perryg114
Is the motor already fuel injected? The roller cam is a good idea and is a weak spot on these older push rod V8's. The roller cams are one reason modern engines last so much longer.
Perry
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Yep, the motor has been fuel injected since I installed it in 2004. One of the best upgrades I've done. Got 30% better mpg and lot more power. With a hydraulic roller cam the duration of the valves can be longer making for better breather, valve open/close faster and a lots less friction.
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10-25-2012, 07:43 AM
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#12
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Silver Bullet
1986 34.5' Airstream 345
choctaw
, Oklahoma
Join Date: Mar 2006
Posts: 839
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Quote:
Originally Posted by jm2
what do you like for a cleaning agent on coiled & finned radiators & coolers, etc.?
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I just used one of those cheat electric power washer. I've tried a cleaner from my local A/C supply store, but wasn't impressed with it on my house A/C units and guess it didn't work very well on the Silver Bullet's radiator either.
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10-25-2012, 10:45 AM
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#13
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Rivet Master
1974 20' Argosy 20
Richmond
, Kentucky
Join Date: Jan 2003
Posts: 9,115
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Quote:
Originally Posted by PeterH-87MH
My Hi-tech bug collection system for the big trips You would be amazed to see what all you catch...
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I doubt I would be surprised at all
I drove from Dallas to Little Rock every weekend for 3-1/2 years and the front of my car pretty much stayed bug covered that entire time .
__________________
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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10-25-2012, 01:25 PM
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#14
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Silver Bullet
1986 34.5' Airstream 345
choctaw
, Oklahoma
Join Date: Mar 2006
Posts: 839
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Being my face hurts and I'm not to do anything for the next week I've been shopping for a radiator.
Many one know the GM part number? With the part number I hope to cross it to a aluminum radiator....
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10-27-2012, 04:14 PM
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#15
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Silver Bullet
1986 34.5' Airstream 345
choctaw
, Oklahoma
Join Date: Mar 2006
Posts: 839
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Quote:
Originally Posted by ventport
I would NEVER go to a one wire alternator in a motor home. You need the voltage sensing ability of a 3 wire system. A one wire alternator is only good for a tractor with a limited electrical system. Go to this link and read about it before you waste your money on a one wire alternator. Brian
Catalog
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Now that I've got into this project, a one wire wouldn't work because of the battery isolator. The + from the alternator goes to the battery isolator, no voltage to excite the alternator. Need to stay with a 3-wire, (well 2-wire-the 3rd is for an idiot light) but get rid of the ford regulator.
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10-27-2012, 04:20 PM
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#16
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Silver Bullet
1986 34.5' Airstream 345
choctaw
, Oklahoma
Join Date: Mar 2006
Posts: 839
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Even though I'm not suppose to, I dug some more off the front of the motor.
Getting quite a pill of scrap iron outside the shop. Most of this will be replaced. Too hard to get to to put this 37 year old junk back on.
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10-27-2012, 09:14 PM
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#17
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Rivet Master
Currently Looking...
1995 36' Classic 36
Ludington
, Michigan
Join Date: May 2011
Posts: 1,662
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Quote:
Originally Posted by choctawmel
Now that I've got into this project, a one wire wouldn't work because of the battery isolator. The + from the alternator goes to the battery isolator, no voltage to excite the alternator. Need to stay with a 3-wire, (well 2-wire-the 3rd is for an idiot light) but get rid of the ford regulator.
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Most 1-wire conversions are replacing externally regulated systems. Most internally regulated alternators have a remote voltage sense (exciter) wire and a power terminal. The sense wire can be wired directly to the power terminal to work as a 1-wire Installation. Not optimally but it will work. Just saying that there is often confusion between internally regulated and externally regulated alternators with an incorrect association between 1, 2, or 3 wires.
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10-27-2012, 09:16 PM
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#18
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Rivet Master
Currently Looking...
1995 36' Classic 36
Ludington
, Michigan
Join Date: May 2011
Posts: 1,662
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Quote:
Originally Posted by Dakota
Most 1-wire conversions are replacing externally regulated systems. Most internally regulated alternators have a remote voltage sense (exciter) wire and a power terminal. The sense wire can be wired directly to the power terminal to work as a 1-wire Installation. Not optimally but it will work. Just saying that there is often confusion between internally regulated and externally regulated alternators with an incorrect association between 1, 2, or 3 wires.
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Good luck on the project!
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10-28-2012, 12:07 AM
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#19
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2 Rivet Member
1990 25' Excella
Pflugerville
, Texas
Join Date: Aug 2002
Posts: 72
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I have been puzzled about how airstream has done the sense wire when they installed the battery isolator. On my 310 they put the sense wire on the alternator lead and I have over a volt drop across the isolator. I always thought this may have been a wiring error but I keep finding the same setup in various airstream publications. I went digging around on the Internet tonight and I cannot find one article that advocated putting the sense wire on the alternator side, everybody's in agreement that it should go to the engine battery side so you can have 14.4 V and nice bright lights. I have a updated 12 volt converter and my best guess is applying 14.4 V from the alternator to its output when it's set to 13.3 will not do any harm. I may try this tomorrow and something burns up I will post the tragic results.
Regards
Bill
__________________
Give me 40 acres and I'll turn this rig around.
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10-28-2012, 06:29 AM
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#20
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3 Rivet Member
1985 34.5' Airstream 345
Bolton
, Massachusetts
Join Date: Jul 2003
Posts: 175
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doing my 454 too !
This winter I will tackle the engine on my 86 345 .265k miles so its beat and always underpowered.lookin for ideas , new rebuilt,upgrades etc.what would you do different this time if you already did yours .
I bought this baby brand new and I have lots of great memories so Im ready to give her the best for the next round of travel.
Looks like Ill have plenty of time sicne its snowing already in mt washington NH .
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