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Re: Magnum intake restriction
[Re: jefferson]
#2910952
04/16/21 01:28 PM
04/16/21 01:28 PM
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Joined: Jan 2005
Posts: 12,423 Kalispell Mt.
HotRodDave
I Live Here
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I Live Here
Joined: Jan 2005
Posts: 12,423
Kalispell Mt.
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I have noticed that also, I think lowering it 1/2 inch would help a ton and it fits. I ran a second plate spaced about 1/2 inch down to keep the hot oil off it and help reduce the IAT, it helped a little.
I am not causing global warming, I am just trying to hold off a impending Ice Age!
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Re: Magnum intake restriction
[Re: RTSrunner]
#2911276
04/17/21 11:01 AM
04/17/21 11:01 AM
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Joined: Feb 2021
Posts: 70 Souderton
Taylor
member
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member
Joined: Feb 2021
Posts: 70
Souderton
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On my '01 Ram Off-Road package truck I wanted to move the power band up to work better with the 4.10 gears.When I pulled the intake to fix the plenum oil leak,I shortened the runners about an inch & radiused the port entrance.I also ground off the raised lip above each throttle bore and radiused that as well.This made it more responsive and it did work better,less downshifting in high gear/OD when towing. This site shows some Kegger intakemods and sellls parts as well: http://utawesomeperformance.com/store/c8/Kegger_Intake_Manifold.html ^^^^^^^^^^^^^^^^^^^^^ Good Info^^^^^^^^^^^^^^^^ On my 87 Dak , we tried a lot of different thing to get it work.....My Ex Hubby and my Uncle cut down runners and epoxied baffles... next step was buy an Airgap intake manifold......, this photo is not mine, but it's similar to the mods they did to my kegger
04 Ram 4x2 11.66@ 122 4750LBS ...phat pig Moves for fully loaded truck with NA 345ci Hemi 2020 1320 Challenger....stock daily driver.
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Re: Magnum intake restriction
[Re: jefferson]
#2912417
04/20/21 04:37 PM
04/20/21 04:37 PM
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Joined: Jan 2005
Posts: 12,423 Kalispell Mt.
HotRodDave
I Live Here
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I Live Here
Joined: Jan 2005
Posts: 12,423
Kalispell Mt.
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I always wanted to try milling away the entire thermostat and putting in a remote style thermostat housing. I have come to the conclusion that since it is all aluminum and there is a very large surface area to transfer heat to the air inside the plenum that removing the scalding hot water from that part of the manifold would dramatically reduce intake air temp especially for the front cylinders that always show the most evidence of detonation. Combine that with a ceramic coating on the plenum plate and I bet it would really help TQ and HP. IAT on the stock magnum is through the roof on a heat soaked engine even in very cold ambient temps, it can easily run 130 degrees on a zero degree day and 170+ on hot days.
I am not causing global warming, I am just trying to hold off a impending Ice Age!
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