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#2378742 - 09/29/17 09:52 AM EFI, Supercharger, Rowdy cam???
hudsonhornet7x Offline
super stock

Registered: 01/14/12
Posts: 973
Loc: Plumer, Pa
So the new Drag pak is a efi supercharged engine with what sounds like a very large cam. I was always told that rowdy cams and efi don't play nice. How do they do this, and can it be replicated by us common folk?
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#2378807 - 09/29/17 11:03 AM Re: EFI, Supercharger, Rowdy cam??? [Re: hudsonhornet7x]
Mopar_Rich Offline
top fuel

Registered: 01/22/03
Posts: 1786
Loc: Sonora CA
Radical cams are fine with EFI as long as you don't rely on self tuning at idle. And new engines that have variable cam timing can make up for the problem at low RPMs.

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#2378811 - 09/29/17 11:08 AM Re: EFI, Supercharger, Rowdy cam??? [Re: hudsonhornet7x]
hudsonhornet7x Offline
super stock

Registered: 01/14/12
Posts: 973
Loc: Plumer, Pa
I understand about the tuning. I don't think the drag pak cars have vvt but I could be wrong.
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#2379188 - 09/30/17 06:14 AM Re: EFI, Supercharger, Rowdy cam??? [Re: hudsonhornet7x]
ric3xrt Offline
mopar

Registered: 01/13/06
Posts: 693
Loc: Sellersville Pa
Non VVT
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1975 D-code D100
1975 D-code Ramcharger
1977 D-code Warlock
1977 D-Code D100
1978 D-code Mid Nite Express
1978 Lil Red
1979 Lil Red
2004 Rumble Bee
2005 Ram GTX
Any info on these trucks is greatly appreciated
2005 Ram 1500 (drag truck in building
2014 1500 tradesman(shhhh, it's hiding a 6.4 short block under those eagle heads.

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#2380550 - 10/02/17 11:21 AM Re: EFI, Supercharger, Rowdy cam??? [Re: hudsonhornet7x]
Quickrunner Offline
mopar

Registered: 03/10/10
Posts: 436
Loc: Indianapolis In. usa
Look over on Yellow Bullet, there are tons of guys running various radical forced induction combos with EFI. Most are chevy LS based or ford but lots of it going on, and on VERY fast cars. You just don't see a lot of the mopar crowd on there. My drag week build plan for my 71 is to utilize that exact drag pack Whipple blower with it's larger intercooler on a stroked 6.1 block and utilize the Holley Dominator EFI to run the whole thing. The Holley is just one choice, there are several EFI systems out there capable of working in radical blown situations.


Edited by Quickrunner (10/02/17 11:42 AM)
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71 Demon Gen3 hemi drag radial project
2004 Jeep Liberty
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#2380881 - 10/02/17 08:26 PM Re: EFI, Supercharger, Rowdy cam??? [Re: Quickrunner]
ahy Offline
master

Registered: 01/22/07
Posts: 7366
Loc: IN
I run a pretty rowdy cam (NA) and EFI... for about 15 years. Some tuning required and with that works pretty well. No "self tune" with my combo.

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#2383308 - 10/07/17 07:04 AM Re: EFI, Supercharger, Rowdy cam??? [Re: hudsonhornet7x]
Uberpube Offline
member

Registered: 11/30/13
Posts: 197
Loc: Southern Alberta
Use alpha N tuning with map compensation.

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#2383332 - 10/07/17 09:07 AM Re: EFI, Supercharger, Rowdy cam??? [Re: hudsonhornet7x]
hudsonhornet7x Offline
super stock

Registered: 01/14/12
Posts: 973
Loc: Plumer, Pa
Is this something the mopar plug and play gen III hemi kit can be used for?
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