INTERNAL ENGINE MODIFICATIONS Valvetrain |Heads | Strokers | Design | Assembly

5.3 recipe in prep for future boosted DD

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Old 11-02-2015, 05:11 PM
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Originally Posted by ezdaar
why a 80? because 60's suck ***, and regardless how its built, it will break.

Buy the tubular Xmember from guy here at PT.net.
Repinning your plug is easy, or buy the conversion harness.
get a JY drive shaft. no modding required.
I was hoping you wouldn't say that, but it seems to be the consensus. I read that one guy had rebuilt his 4 times, two would be enough for me :-)

What about the 65? Ive read its better, but maybe still not worth the time as a reliable DD with some boost.

I need to look into a thread for the repinning and the JY driveshaft. I'm a welder so I will just modify the factory xmember.

This is why I love forums. I hope to pay it forward with my knowledge on my experiences or if someone wants to know anything about welding.
Old 11-02-2015, 05:19 PM
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This doesn't look that easy. Modifications like this concern me as a DD. I would like to look for someone who might make a kit or adapter. Electrical has not been my friend in the past.

https://www.performancetrucks.net/fo...g-swap-413157/
Old 11-02-2015, 05:43 PM
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60, 65, same case. same problems. same torque rating. same boom boom.
it sucks *** to be forced to do a trans swap, when we want powa. but its just one of those things.


Harness for 99-06, 07 up must repin.
4L60E to 4L80E Upgrade Harness
Nelson Performance | 80e Conversion Harness
TunedByFrost.com - Products


another repin page
4L60E to 4L80E Conversion
Old 11-02-2015, 05:58 PM
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Ahhhh, thats what I'm talking about. The added cost is worth the ease of mind in reliability.

Thanks!!!
Old 11-15-2015, 11:36 AM
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Good info in here, I'm looking to build a rcsb turbo 5.3 and this helped alot as I know nothing about these engines yet. Whats the deal with using the stock 4.8 cam? Is it good for a boosted DD?
Old 11-15-2015, 11:54 AM
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Depending on how much boost you want to run, you may not need to do anything with the motor.
Old 11-15-2015, 12:50 PM
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Im not trying to jack this guys thread. Im just looking for a motor to hold 10 psi...
Old 11-15-2015, 01:29 PM
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valvesprings. thats it.
Old 11-16-2015, 11:05 AM
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Originally Posted by TrendSetter
valvesprings. thats it.
Gotcha! Thanks for the info sir.
Old 11-16-2015, 11:10 AM
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Originally Posted by smokinlmm
Im not trying to jack this guys thread. Im just looking for a motor to hold 10 psi...
You can jack my thread, as long as I can keep learning that's fine. I've been wanting to get a 5.3 truck, but found a nice 4.8. If all the parts swap over to a 6.0 or 5.3 why would it matter if I start off with a 4.8?


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