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Author Topic: 383>>438 with dyno results  (Read 4945 times)
firefighter3931
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572 street/strip bullet


« Reply #25 on: August 28, 2016, 11:47:52 AM »

Nice job on the engine !  cheers

The scans are fine.....I can read them no problem !  scope

Nice flat torque curve !  2thumbs

What size headers do you plan to run with this engine ?  The 2in primary tube is a bit big for this build. A 17/8 long tube header would make more torque and produce the same horsepower. When we dyno'd my old 446 the 17/8 in hookers made 20ftlbs more across the entire test range (vs the 2in TTI's) yet the HP was the same. This was on a 535hp/540tq build so on something a bit milder the same results would/should be expected. The smaller tube will make it snappier and increase throttle response  icon_smile_big


Ron
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68 Charger R/T "Black Pig" Street/Strip bruiser, 70 Charger R/T 440-6bbl Cruiser. Firecore ignition  authorized dealer ; contact me with your needs
Windsor
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« Reply #26 on: August 28, 2016, 12:16:50 PM »

I'm still trying to figure out the headers. I'd like to use long tube, but not sure what will work. Schumacher has (out of stock) 1 3/4" headers for the Dakota chassis that I'll be using.
Edit: Schumacher mounts are out. He sent me some pictures and they push the motor too far forward. He said he is unsure of the header fit with Edelbrocks since they haven't tried them.
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Troy
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« Reply #27 on: August 29, 2016, 09:17:31 AM »

Much better. Except I don't know what any of it means... Sad

Troy
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69 R/T SE -A47-Y2-CRX-V1T-V88


« Reply #28 on: August 29, 2016, 09:20:53 AM »

 coolgleamA 2thumbs cheers
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