Weakest points of the 5.3
Sep 10, 2005 | 10:59 PM
#21
Banned
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Joined: Oct 2003
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From: From Houma La. Living n Ellisville Miss.
Originally Posted by gonzo 6.0
Would you claim the failure you seen was do to OE rod bolts?
no cause the motor that broke the rod itself broke and that is the only one i know of breaking
Sep 25, 2005 | 10:12 PM
#22
Teching In
Joined: Sep 2005
Posts: 17
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From: DFW, TX
Originally Posted by rumblebox
go to the dodge forum for ALL failures. **** dodge.
at my old dealerhsip 80% of truck engine swaps were dodge (low mileage too), 15% was ford, the other 5% were 305s, 350s and 4.3's, ZERO% were genIII V8s.
i'm not a trash talker but this is the only exception. lol
at my old dealerhsip 80% of truck engine swaps were dodge (low mileage too), 15% was ford, the other 5% were 305s, 350s and 4.3's, ZERO% were genIII V8s.
i'm not a trash talker but this is the only exception. lol
Diesels, no.
Sep 16, 2020 | 09:47 AM
#25
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Joined: Sep 2020
Posts: 1
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[QUOTE=02sierraz71_5.3;3171840]with that mileage on it and lifter problems I definately wouldnt be running it hard in the 6400+ range. Honestly I wouldnt even invest money in it I would buy a cheap 6.0, do cam/heads maybe some arp hardware if you plan on 6700+ rpms the stock bottom end on these motors seems to be extremely solid and can take tons of abuse. If memory serves me there are several guys on here that turn em up as high as 7k and havent had any problems with the bottom. I think parish made crazy power on a stock bottom end with not complaints. Pushrods, light weight valve train, Id go with an adjustable jezel rocker arm setup if your worried about valve float.
I dont think the 5.3 is worth the expense of upgrading major components it just wont make good power without an adder, youd be lucky to get 320 at the wheels. The 6.0 on the other hand Id be shooting for 450 at the wheels NA.
Yah no way, I have a stage 3 cam, 243 headers custom 3 inch exhaust and I’m running 425-450 to the wheel
I dont think the 5.3 is worth the expense of upgrading major components it just wont make good power without an adder, youd be lucky to get 320 at the wheels. The 6.0 on the other hand Id be shooting for 450 at the wheels NA.
Yah no way, I have a stage 3 cam, 243 headers custom 3 inch exhaust and I’m running 425-450 to the wheel
Sep 16, 2020 | 03:28 PM
#28
TECH Apprentice
Joined: Aug 2017
Posts: 393
Likes: 64
From: Treasure Coast of Florida
[QUOTE=Jzjboss03;5488117]Mine puts down 307 RWHP through the traps in the quarter mile on the stock ethanol tables with just a BlackBear tune. A cam can get one over the 320 mark but you're right, at that point ya really have to add cubic inches or forced induction of some kind to add another 100 plus horses, or both!
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