Magnum 408 Stroker rebuild

Old Dec 28, 2017 | 01:23 PM
  #1  
Stroked98Ram's Avatar
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From: Colorado
Magnum 408 Stroker rebuild

Alright mopar fans, i'm new here and looking for a little advice. I currently have a mild 408 stroker in my 98' Ram 2500, but I think there is a lot of power left untapped. It's somewhat a daily driver / tow rig / weekend toy.

The current build consists of:
4in Eagle crank(forged) and I-beam rods
9:1 keith black pistons (forged Aluminum)
Hughes Air-gap intake
34lb/hr injectors
F&B 2x52x55 throttle body
Comp 20-602-9 cam
Stock heads with some minor porting
Custom hemifever SCT tune

Currently looking at upgrading to:
Eddy Aluminum heads with port work
Eddy 1.6:1 roller rockers
Hughes SER2226ALN-10 cam

Have to verify if the eddy springs will handle the hughes cam.

Any thoughts, suggestions, recommendations, experiences would be greatly appreciated.
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Old Dec 28, 2017 | 08:11 PM
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RacerHog's Avatar
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From: Monrovia SO-CAL (USA)
Look at maybe bumping up the compression just a tad....
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Old Dec 29, 2017 | 10:45 AM
  #3  
Stroked98Ram's Avatar
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Yes, gotta talk to the machinist and see if I can deck the heads to jump compression or if i'll need new pistons. shooting for 10:1 to 10.5:1 still needs to be pump gas friendly.
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Old Dec 29, 2017 | 07:40 PM
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TVLynn's Avatar
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Several of the head mfg offer heads in different chamber sizes Look into that before replacing pistons
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Old Jan 4, 2018 | 04:50 AM
  #5  
xaza's Avatar
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From: Colorado
You might be happier getting your tune from FlyinRyan. I have heard several others in my other forum switch and be extremely happy. Last I knew he requires you to install a data logger, this requires an additional O2 sensor bung to be welded into exhaust(at least on the one I got). I have a HemiFever tune on my truck that I took to the track and switched between performance and stock and ran exactly the same times. I have had the data logger waiting and when it is installed I will be switching.
FlyinRyan
https://www.frptuning.com/
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