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Dyno Results for My 6.1 Hemi
#965353
04/03/11 07:34 PM
04/03/11 07:34 PM
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Joined: Jan 2003
Posts: 3,874
Smyrna, South Carolina
STEFF
OP
master
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OP
master
Joined: Jan 2003
Posts: 3,874
Smyrna, South Carolina
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I dyno’d my 6.1 Hemi yesterday at Muscle Motors. All went well & I’m pleased with the results. I’ll post some pics of the dyno sheets, once I can darken up the copies I have as they washout when I take pics of them. Motor Details: Stock Short Block, Modern Cylinder Head ported 6.1 Heads, 358/240cfm @ .650 lift, Stock 2.08/1.58 Hollow Stem Valves, PAC Springs & related parts, Stock Rockers, Trend Pushrods, 5/16 x .080 wall, Performance Werks Racing Custom Hydraulic Roller to work with stock piston (no valve reliefs): 224/228 @ .050, .620/.640 lift , 112CL +2 , Drag Pack Intake, Proform HP950 Carb, Milodon Pan & Windage Tray, Firecore Prototype Coil Packs, 1 3/4 primary x 30” long dyno headers, ATI Drag Pack Damper, Meziere Remote Water Pump. Dyno pulls were from 4500 to 6500 rpms. Torque curve is very nice, starting at 472 ft. lbs. at 4540 rpm, peaking at 487 ft. lbs at 5258 rpm, then tapering off to 450.5 at 6454 rpm Horse Power started at 408.1hp @ 4540 rpm & steadily climbing to a peak of 556.5 hp @ 6441 rpm. I know dyno’s are what they are & the proof is in the MPH at the track. But, I’m still very pleased! I’ve got plenty of data now for a base line for a converter, fuel & timing. Big Thanx to Mike Ware for the dyno & help…… Rick Gorski & Firecore for the Coil Packs. They DO make Power!!.... Andy at PWR for the Cam & to Jeff at Modern for the Awesome Port Work!! It’s going to be a FUN Summer!!!! 
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Re: Dyno Results for My 6.1 Hemi
[Re: hemidup]
#965361
04/03/11 09:47 PM
04/03/11 09:47 PM
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Joined: Jan 2003
Posts: 3,874
Smyrna, South Carolina
STEFF
OP
master
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OP
master
Joined: Jan 2003
Posts: 3,874
Smyrna, South Carolina
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Quote:
Congrats Steff. What size jet's did you find to work the best and did you try a carb spacer?
86/94 & no, didn't try an extra spacer. It was getting late & I figured I could try it at the track. Plus, I'm not sure what style of spacer to try, as the intake has a "cloverleaf" type of machined plenum opening.
Thanx everyone! 
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Re: Dyno Results for My 6.1 Hemi
[Re: dannysbee]
#965364
04/03/11 10:31 PM
04/03/11 10:31 PM
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Joined: Sep 2004
Posts: 1,828
houston texas
gremlinsteve
top fuel
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top fuel
Joined: Sep 2004
Posts: 1,828
houston texas
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told ya that they can do it. congrats on the build
if You Like Gremlinsteve. Gremlinsteve Likes You.
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Re: Dyno Results for My 6.1 Hemi
[Re: hemidup]
#965366
04/03/11 10:54 PM
04/03/11 10:54 PM
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Joined: Jul 2003
Posts: 12,129
Cleveland
sunroofgtx
I Live Here
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I Live Here
Joined: Jul 2003
Posts: 12,129
Cleveland
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Quote:
Quote:
Steff, thanks for the opportunity to test our 6.1 FireCore Coil Packs. We have one more place testing them, and if the results are similar to yours, they will go into full production. Those were amazing results with just a coil pack change. What is more amazing is what you have accomplished. It should be the default-build for Gen3 Hemi guys. It is going to have me, and a lot of others, looking hard at what it takes to put these into our dinosaurs. Congrats, I'm proud of you.  
Off topic but Rick, What would it take to try out a set of your new Hemi coil packs? Heading back to the engine dyno April 13th to finish tuning a built and blown Gen III Hemi. Had to quit at 5500 rpm last time cause we ran out of fuel. Made 936hp/898ft lbs, tq @ 5500 and still didn't see peak tq. Got the new injectors and we're ready to roll again.
Back on topic.
Congrates Steff. What size jet's did you find to work the best and did you try a carb spacer?
Call me tomorrow.. Thanks.. 
Join the quickest team in motorsports. Team FireCore. CustomWiresets.com
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Re: Dyno Results for My 6.1 Hemi
[Re: MR_P_BODY]
#965367
04/03/11 10:57 PM
04/03/11 10:57 PM
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Joined: Jan 2003
Posts: 3,874
Smyrna, South Carolina
STEFF
OP
master
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OP
master
Joined: Jan 2003
Posts: 3,874
Smyrna, South Carolina
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Quote:
 Steff when do you plan on putting it in...
or I should say is the car done
1970 Road Runner. Mechanically, the car is done. Motor was in the car & running this past fall. I removed it to make the upgrades. I just need to finish the interior & dash wiring.
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following......
