413 RB information??? HELP needed
#120606
09/14/08 02:23 PM
09/14/08 02:23 PM
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Joined: Nov 2003
Posts: 1,033
Madison, Wisconsin
chrisnben
OP
super stock
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OP
super stock
Joined: Nov 2003
Posts: 1,033
Madison, Wisconsin
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Hey guys- I picked up a super clean 413! It is a RV motor built 4/71. Came complete top to bottom with only 60K miles or so. Air cleaner says 265 HP. Has the HUGE water pump and exhaust manifolds. This engine gets the "most cast iron" award! I am assuming the torque to be around 450-500 FT Lbs.? Can someone give me a website or two for other specs on the industrial/ motorhome engines. The RB pad says GT 413 and a letter "D". The heads are a 2899943 or 948- can't quite tell on the 3 or 8. I have never heard of these castings. Any help would be great!!
'70 Cuda "Badfish 2"- in the works
Home of MoPar University- We school 'em one at a time!!
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Re: 413 RB information??? HELP needed
[Re: chrisnben]
#120607
09/14/08 05:56 PM
09/14/08 05:56 PM
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Joined: Jan 2003
Posts: 25,858
Rio Linda, CA
John_Kunkel
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 25,858
Rio Linda, CA
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GT 413
G= Year code for 1971
T= Truck
413= Displacement
D= ?
2899 943 is the correct head casting number for the '71-'77 truck 361/413.
The INTERNET, the MISinformation superhighway
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Re: 413 RB information??? HELP needed
[Re: dOoC]
#120609
09/14/08 06:32 PM
09/14/08 06:32 PM
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Joined: Aug 2005
Posts: 4,861
Riverside, Ca
R70RUNNER
master
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master
Joined: Aug 2005
Posts: 4,861
Riverside, Ca
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What do you want to know? Have a '72 413 that's being converted to street use, was going to stroke it, but parts are falling into place to build it as a 6-71 blower motor....
The heads are closed chambers, I had to magnify. the number to read and couldn't find a thing about them, not usable for what I was doing so they sold!
Current cars: 2000 Dak Quad Cab, 2012 Challenger,1970 Road Runner, 1994 Firehawk
1966 Coronet post sedan, 1988 Corvette, 2005 Magnum RT all SOLD
R70RUNNER<---VP Inland Empire Chapter of the MPM
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Re: 413 RB information??? HELP needed
[Re: chrisnben]
#120613
09/14/08 06:39 PM
09/14/08 06:39 PM
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Joined: Aug 2005
Posts: 4,861
Riverside, Ca
R70RUNNER
master
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master
Joined: Aug 2005
Posts: 4,861
Riverside, Ca
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Quote:
well, probally will sell the heads and put on some 906's I have. waiting to see if I can bore this thing .070 so I can use a 4.25 KB piston and still be streetable.  Anyone want to buy (cheap) the exhaust manifolds and heads and intake?? 
I got $50 for the heads and pump...Glad to get it... The Rockers are useable, the PR's and bolts are not  Send them with the heads!
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Re: 413 RB information??? HELP needed
[Re: chrisnben]
#120614
09/14/08 06:41 PM
09/14/08 06:41 PM
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Joined: Jul 2008
Posts: 30,449
Florida STAYcation
dOoC
The village idiot's idiot
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The village idiot's idiot
Joined: Jul 2008
Posts: 30,449
Florida STAYcation
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Quote:
well, probally will sell the heads and put on some 906's I have. waiting to see if I can bore this thing .070 so I can use a 4.25 KB piston and still be streetable. Anyone want to buy (cheap) the exhaust manifolds and heads and intake??
That block should go 70 ...EZ.
Define "cheap" !!
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Re: 413 RB information??? HELP needed
[Re: dOoC]
#120617
09/14/08 06:48 PM
09/14/08 06:48 PM
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Joined: Aug 2005
Posts: 4,861
Riverside, Ca
R70RUNNER
master
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master
Joined: Aug 2005
Posts: 4,861
Riverside, Ca
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"That block should go 70 ...EZ."  Stout blocks, but your hunting 383 standard bore, or 426W STD,  Just not much off the shelf. Custom pistons will kill the cost of the build
Current cars: 2000 Dak Quad Cab, 2012 Challenger,1970 Road Runner, 1994 Firehawk
1966 Coronet post sedan, 1988 Corvette, 2005 Magnum RT all SOLD
R70RUNNER<---VP Inland Empire Chapter of the MPM
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Re: 413 RB information??? HELP needed
[Re: chrisnben]
#120620
09/14/08 07:05 PM
09/14/08 07:05 PM
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Joined: Jul 2008
Posts: 30,449
Florida STAYcation
dOoC
The village idiot's idiot
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The village idiot's idiot
Joined: Jul 2008
Posts: 30,449
Florida STAYcation
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Quote:
Custom pistons will kill the cost of the build
Custom pistons FERR-SURE ain't cheap ... butttt to put MY package together it might have to be an expense I will have to bear.
The last set of NEW flat-top +30 pistons I bought were about 200$. And they MIGHT NOT work with my combo since I need a higher CD and maybe a mild dome. Those 943 heads have a HUGE combustion chamber - even though they are a closed design.
R70 ... I think I might have emailed you about those parts when they were on eBay !! 
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Re: 413 RB information??? HELP needed
[Re: chrisnben]
#120621
09/14/08 07:18 PM
09/14/08 07:18 PM
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Joined: Aug 2005
Posts: 4,861
Riverside, Ca
R70RUNNER
master
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master
Joined: Aug 2005
Posts: 4,861
Riverside, Ca
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Quote:
I found Summit carries KB962 hypers ($250)& TRW cast #z366np ($340), both 4.25 bore- should work. I am keeping the block and crank, rods- that's why I bought it. 
Make sure they're Mopar, the valve reliefs are not correct on brand F or X.... AndyF has tied just about every way possible to use other brands pistons, with YARD SALE results!
440G.. Yep we talked, and thanks for the infor!
Current cars: 2000 Dak Quad Cab, 2012 Challenger,1970 Road Runner, 1994 Firehawk
1966 Coronet post sedan, 1988 Corvette, 2005 Magnum RT all SOLD
R70RUNNER<---VP Inland Empire Chapter of the MPM
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and so was I 
