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4-53t into 78 p-30 grumman

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Old 11-23-2011, 11:52 AM
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Default 4-53t into 78 p-30 grumman

Looking for any info on old hostess trucks . . . looking for mounts . . . also looking for Jakes . . . also how large can I go with injectors without dumping fuel out the exhaust ???? Any info will be read and appreciated . . . Thank you all . .
 
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Old 12-03-2011, 05:41 AM
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I took the valve cover off and wow there is no sludge. The fuel rack moves freely, this is a good sign. Next step get it started.
 
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Old 12-03-2011, 11:26 AM
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i have freind that put a 453 in to 78 ford f250, it sounds incredible, but so noisy.
 
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Old 12-12-2011, 07:06 PM
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Pulled the valve cover and no sludge and the fuel rack moves fine as kind. Got it running and . . . SWEET !!!! Now to find a set of jakes . . .

---AutoMerged DoublePost---

Karl's 4-53t - YouTube
 

Last edited by 78grumman; 12-12-2011 at 07:06 PM. Reason: Automerged Doublepost
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Old 01-03-2012, 09:34 PM
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pukie, how did he get around the rpm difference? a 53 series has a redline of 2500/2800, and well under 200 horsies.
how driveable is it?
i ask because i thought about putting one in a truck, but did not want to have something that topped out at like 45 mph, and took an hour to get up there....
 
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Old 01-04-2012, 03:42 AM
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It is all gearing. . . the 453t I have with the 5 speed OD trans. 3.73 rear gears and 33" tires top speed will be 85mph . . . with the Detroit being a 2 stroke acceleration is faster then diesels from the same era. . . 175hp with n55 injectors stepping up to n65 should get me just about 200hp. search them up on youtube this will show ya. . .
 
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Old 01-04-2012, 07:21 AM
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it sounds like you know what your doing! dont get me wrong when i question you-- its more about my learning curve than your engineering skills.

i just joined up yesterday, mainly for this type of swapping stuff. i have had both 4-53's and 6v-53's in various trucks/excavators...always liked the detroit scream.
i had thought about putting a 3 or 4-53 in a scout for a while, but figured it was too much work. the truck has a 4 speed direct, and i dont want to mod much more than the engine, so i punted.
who knows you might get me motivated.

---AutoMerged DoublePost---

ok, had to re-read this thread!
grumman, my first post was to pukie-- about that f-250. i can easily see swapping a detroit into a hostess truck! my specific questions were more at the pickup.
 

Last edited by tfrugal; 01-04-2012 at 07:21 AM. Reason: Automerged Doublepost
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Old 01-04-2012, 05:36 PM
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Actually it is going to be a tight squeeze to fit this in my van. . . no worries about questions we are all here to learn and the only stupid question is the one not asked. . . I found a gear ratio calculator on line to help me with the top speed with my van. . . sounds like some cool old equipment you have played with. . . I work full time at a sand pit am in charge of all the mulch production . . . boys and our toys . . . maybe you might keep your eyes open for an old detroit 53 series with a set of jakes for sale . . . I am on the hunt.
 
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Old 08-03-2013, 01:34 PM
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I have a q 1980 GMC with 453t 5-2speed rear 45 top speed but empty has plenty of power for another gear or two.Building a c7000 4 door with a 453t and planing on a 13sp. out of a medium duty GMC ..Would like to get a little more out of the little 453 not
Sure exactllexactly how to do that on 2 stroke engine.
 

Last edited by chevyjohn5667; 08-03-2013 at 01:36 PM.




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