New 4500 TBI EFI systems.....
#2526045
07/23/18 08:22 PM
07/23/18 08:22 PM
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Joined: May 2004
Posts: 12,396 Taxes & Virus's R-US, NY
Dragula
OP
I Live Here
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OP
I Live Here
Joined: May 2004
Posts: 12,396
Taxes & Virus's R-US, NY
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I like these....Sombody once told me, they would never make one of these....My car was due for a full re-wiring this winter anyways. Been having all kinds of wierd stuff, and traced it to a bad coil. But that's a story for another day...I want one of these. https://www.youtube.com/watch?v=yUX7-L0Ehso
Last edited by Dragula; 07/23/18 08:24 PM.
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Re: New 4500 TBI EFI systems.....
[Re: Dragula]
#2526058
07/23/18 08:44 PM
07/23/18 08:44 PM
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Joined: Aug 2003
Posts: 43,228 Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,228
Bend,OR USA
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I think I would want two of them on a tunnel ram :devil After waiting long enough to let some other folks do the debugging of the new systems I selected two Acufab 4150 dry 1150 CFM throttle bodies on the 572 C.I. pump gas street hemi motor. It made 799.6 HP, only 1.397 HP per C.I., I wish now I had selected the bigger 4500 1400 CFM throttle bodies to insure the motor would be making over 800 HP The right foot controls the throttle, it seems better to me to have more than enough CFM to make power than to wish I had more Hindsight is till better than my foresight, sometimes
Last edited by Cab_Burge; 07/23/18 08:46 PM.
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: New 4500 TBI EFI systems.....
[Re: Dragula]
#2526072
07/23/18 09:04 PM
07/23/18 09:04 PM
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Joined: Jan 2003
Posts: 12,160 Benton, IL.
DaveRS23
Special needs idiot
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Special needs idiot
Joined: Jan 2003
Posts: 12,160
Benton, IL.
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I have a 4500 from ThumperDart. It starts, runs, and drives better than any other carb I have ever had. I would gladly put it up against any of these 'self tuning' throttle body kits for overall drive-ability.
And keep in mind that unless the cam is very, very mild, the idle and low speed 'self tuning' on the EFI will need to be locked out and tuned manually. If a cam with much lope will be used, then the reversions will confuse the EFI and force the manual tune. Just like a carb.
Master, again and still
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Re: New 4500 TBI EFI systems.....
[Re: DaveRS23]
#2526096
07/23/18 09:52 PM
07/23/18 09:52 PM
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Joined: May 2004
Posts: 12,396 Taxes & Virus's R-US, NY
Dragula
OP
I Live Here
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OP
I Live Here
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Taxes & Virus's R-US, NY
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I have a 4500 from ThumperDart. It starts, runs, and drives better than any other carb I have ever had. I would gladly put it up against any of these 'self tuning' throttle body kits for overall drive-ability.
And keep in mind that unless the cam is very, very mild, the idle and low speed 'self tuning' on the EFI will need to be locked out and tuned manually. If a cam with much lope will be used, then the reversions will confuse the EFI and force the manual tune. Just like a carb.
I have two of his carbs....Both are excellent. But my one engine is big, and has a weird cam. Very tough to dial in. Also not my first use of efi...
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Re: New 4500 TBI EFI systems.....
[Re: Dragula]
#2526115
07/23/18 10:26 PM
07/23/18 10:26 PM
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Joined: Jul 2006
Posts: 619 nj
JAMESDART
mopar
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mopar
Joined: Jul 2006
Posts: 619
nj
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Re: New 4500 TBI EFI systems.....
[Re: DaveRS23]
#2526119
07/23/18 10:30 PM
07/23/18 10:30 PM
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Joined: Jul 2004
Posts: 19,318 State of confusion
Thumperdart
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I Live Here
Joined: Jul 2004
Posts: 19,318
State of confusion
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I have a 4500 from ThumperDart. It starts, runs, and drives better than any other carb I have ever had. I would gladly put it up against any of these 'self tuning' throttle body kits for overall drive-ability.
And keep in mind that unless the cam is very, very mild, the idle and low speed 'self tuning' on the EFI will need to be locked out and tuned manually. If a cam with much lope will be used, then the reversions will confuse the EFI and force the manual tune. Just like a carb.
Thank you and so will I.............
72 Dart 470 n/a BB stroker street car `THUMPER`...Check me out on FB Dominic Thumper for videos and lots of carb pics......760-900-3895.....
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Re: New 4500 TBI EFI systems.....
[Re: Dragula]
#2526193
07/24/18 12:54 AM
07/24/18 12:54 AM
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Joined: Jul 2004
Posts: 19,318 State of confusion
Thumperdart
I Live Here
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I Live Here
Joined: Jul 2004
Posts: 19,318
State of confusion
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We can get the carb to come around no problem just hit me up and I will see what we can do to fix whatever it's doing you don't like.........We need to play the emulsion game now and see what that does cos it's VERY eye opening..........
Last edited by Thumperdart; 07/24/18 01:40 AM.
72 Dart 470 n/a BB stroker street car `THUMPER`...Check me out on FB Dominic Thumper for videos and lots of carb pics......760-900-3895.....
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Re: New 4500 TBI EFI systems.....
[Re: Dragula]
#2526196
07/24/18 01:00 AM
07/24/18 01:00 AM
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Joined: Jan 2003
Posts: 31,050 Oregon
AndyF
I Win
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I Win
Joined: Jan 2003
Posts: 31,050
Oregon
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Did you get the 4500?
I am having issues with getting my cruising AFR with my carb to a reasonable level. Tried a lot of stuff, and its not come around.
Been thinking about a pair of the eddy 800 Thunder series until I saw this. Buddy of mine mine just bolted a set on his big hemi, and they were pretty good on his combo out of the box.
If you switch over to the Sniper you'll be surprised with how many other problems it can help you solve. Being able to push a button and download all of the sensor information is a big help in sorting stuff out.
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Re: New 4500 TBI EFI systems.....
[Re: Dragula]
#2526245
07/24/18 02:45 AM
07/24/18 02:45 AM
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Joined: May 2003
Posts: 409 Texas
mprhound
mopar
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mopar
Joined: May 2003
Posts: 409
Texas
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[quote=Dragula]Did you get the 4500?
I am having issues with getting my cruising AFR with my carb to a reasonable level. Tried a lot of stuff, and its not come around.
Been thinking about a pair of the eddy 800 Thunder series until I saw this. Buddy of mine mine just bolted a set on his big hemi, and they were pretty good on his combo out of the box.
Yes I got the 4500
Last edited by mprhound; 07/24/18 02:47 AM.
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Re: New 4500 TBI EFI systems.....
[Re: STEFF]
#2526352
07/24/18 12:54 PM
07/24/18 12:54 PM
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Joined: Jan 2003
Posts: 31,050 Oregon
AndyF
I Win
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I Win
Joined: Jan 2003
Posts: 31,050
Oregon
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I'm willing to bet that with systems like this, Holley will stop manufacturing carburetors all together. Or at least scale it way back. Most of the car guys I talk to don't really understand the benefits of EFI yet so it will take a few more years before it becomes accepted. Rich was a real pioneer with this stuff so I'm sure he has a lot more stories than the rest of us. I know he converted some just by beating them at the track. Once they saw how much better EFI worked they started to switch.
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Re: New 4500 TBI EFI systems.....
[Re: Dragula]
#2526400
07/24/18 02:01 PM
07/24/18 02:01 PM
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Joined: Jan 2003
Posts: 19,375 Las Vegas
Al_Alguire
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I Live Here
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Las Vegas
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My son is REALLY wanting to put one on the Dragster. Me not so much. But I'm willing to bet he will do it. Should be interesting to see how it stacks up against the carb in terms of performance on a 1000+HP BB
"I am not ashamed to confess I am ignorant of what I do not know."
"It's never wrong to do the right thing"
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Re: New 4500 TBI EFI systems.....
[Re: STEFF]
#2526522
07/24/18 06:20 PM
07/24/18 06:20 PM
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Joined: Jul 2004
Posts: 19,318 State of confusion
Thumperdart
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I Live Here
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I'm willing to bet that with systems like this, Holley will stop manufacturing carburetors all together. Never happen.................
72 Dart 470 n/a BB stroker street car `THUMPER`...Check me out on FB Dominic Thumper for videos and lots of carb pics......760-900-3895.....
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Re: New 4500 TBI EFI systems.....
[Re: Al_Alguire]
#2526573
07/24/18 07:45 PM
07/24/18 07:45 PM
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Joined: May 2004
Posts: 12,396 Taxes & Virus's R-US, NY
Dragula
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I Live Here
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OP
I Live Here
Joined: May 2004
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Taxes & Virus's R-US, NY
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My son is REALLY wanting to put one on the Dragster. Me not so much. But I'm willing to bet he will do it. Should be interesting to see how it stacks up against the carb in terms of performance on a 1000+HP BB I was pretty impressed with this vid.. https://www.youtube.com/watch?v=QbHW7bHXvAkWhen I got into efi back in the 90's, these systems were so manual and had so little extra functions....Now a days, a simple TBI system can do so much, its amazing....Check out the list of features, just amazing.
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Re: New 4500 TBI EFI systems.....
[Re: Dragula]
#2526576
07/24/18 07:48 PM
07/24/18 07:48 PM
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Joined: Apr 2006
Posts: 729 Lebanon,IN
mr2performance
super stock
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super stock
Joined: Apr 2006
Posts: 729
Lebanon,IN
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If anyone needs any of of the Holley efi systems, or any Holley brand part, we are direct with them and dropship everyday. Mike mr2performance@sbcglobal.net
MR2PERFORMANCE RACE CARS
765 483 9371
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Re: New 4500 TBI EFI systems.....
[Re: Dragula]
#2526760
07/25/18 09:12 AM
07/25/18 09:12 AM
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Joined: Jan 2003
Posts: 8,028 Tulsa OK
Bad340fish
master
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master
Joined: Jan 2003
Posts: 8,028
Tulsa OK
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That last video was pretty cool. It's amazing what all this newer stuff can do, then step over to the port injection side and the options and capabilities are almost unlimited.
68 Barracuda Formula S 340
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