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Re: Aftermarket street/strip car ignition
[Re: Cab_Burge]
#2933192
06/14/21 01:06 PM
06/14/21 01:06 PM
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Joined: May 2005
Posts: 2,007
Apollo, PA.
B1MAXX
top fuel
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top fuel
Joined: May 2005
Posts: 2,007
Apollo, PA.
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I have switched both my racecar and my street/strip machine to the Pertronix Digital hp box from the digital 6 boxes They are great boxes... study the features, output , and price. They are capable of 187 mj (also have a 135 setting in case you have lesser coil that could over heat with continuous duty at full power output), have three steps of rev limit, start retards that are programmable in terms of rpm, and degrees, shift light trigger, all built in. Just one note if your using a mopar electronic dist. set the trigger to falling.
Last edited by B1MAXX; 06/14/21 01:06 PM.
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Re: Aftermarket street/strip car ignition
[Re: Cab_Burge]
#2933223
06/14/21 02:13 PM
06/14/21 02:13 PM
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Joined: Jan 2003
Posts: 11,726
Portage,michigan
B3422W5
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 11,726
Portage,michigan
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[quote][/quote] I wouldn't buy and try to use a MSD 6AL digital, I know to many people who had them fail   I've never used the MSD street # 6 series boxes but I know a lot of racers that use them on their bracket cars  I still like and use MSD race ignitions on my race cars, 7AL2, 7C, grid and so on  Me either. I like the new style 6al with built in two step.... not the Digital 6
69 Dart GTS A4 Silver All steel, flat factory hood, 3360race weight
418 BPE factory replacement headed stroker, 565 lift solid cam
Best so far, low 10.30’s 1/4
1.41 best 60 foot
6.56 at 104.17
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Re: Aftermarket street/strip car ignition
[Re: bee1971]
#2933323
06/14/21 08:38 PM
06/14/21 08:38 PM
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Joined: Oct 2007
Posts: 1,070
Big Western Pencilveinya
Uncle Barry
OP
super stock
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OP
super stock
Joined: Oct 2007
Posts: 1,070
Big Western Pencilveinya
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What’s considered Some RPMs ? What are you shifting at now ? I love the Firecore distributor with vacuum advance - Adjustability is awesome and easy , ported vacuum - Use factory distributor cap and decent wires Older Direct Connection Mopar Chrome ECU or the Older Standard LX101 ECU ignition modules I considered upgrading to a MSD Streetfire module or Pertronix Digital HP when I was chasing RPM issues until Coils and Ballast But on a 500 HP Street car , in all honestly what would I gain ? Starts awesome , idles awesome , destroys the tires awesome , shift around 5400 RPMs with my cam and valve train Putting together a great quality Factory Stock Type Performance Mopar Ignition System is a little harder today with all this Chinese junk I guess in reality that’s the biggest issue I found all my new old stock ignition components on EBay and swap meets The Firecore distributor, so far so great on the street I shift 6300-6500. I'll never buy another Firecore distributor again. Firecore wires are great. These newer ECU boxes are unreliable and I usually get misfires around 5800-6000 rpm. I'm not into buying used electronic devices. You usually are buying someone's trash that should be thrown away. Stock ignition works great but it has its limits. And I figure it's time for me to upgrade.
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Re: Aftermarket street/strip car ignition
[Re: Uncle Barry]
#2933449
06/15/21 08:24 AM
06/15/21 08:24 AM
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Joined: Jan 2003
Posts: 13,387
Marion, South Carolina [><]
an8sec70cuda
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 13,387
Marion, South Carolina [><]
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FWIW...I ran the old school MSD 6AL box for a LONG time. Still have them on both B bodies we have and I'm putting one on the Demon. The only reason I went to the 6530 on the cuda was all the extra features it has helps w/ the nitrous. I had problems years ago w/ the first MSD Digital 6 Plus boxes. They seemed great, until I couldn't get rid of a high RPM misfire. Swapped the old 6AL back in and it was gone. I think the early digital boxes were plagued w/ issues the newer ones don't have.
CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 18 spline 4 speed, Dana 60
'71 Demon, 340, low gear 904, 8.75
'73 Chrysler New Yorker, 440, 727, 8.75
'90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt
'06 GMC 2500HD LBZ Duramax
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Re: Aftermarket street/strip car ignition
[Re: boomerodell]
#2933460
06/15/21 08:41 AM
06/15/21 08:41 AM
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Joined: Jan 2003
Posts: 13,387
Marion, South Carolina [><]
an8sec70cuda
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 13,387
Marion, South Carolina [><]
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I've heard good things, but really expensive from what I recall.
CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 18 spline 4 speed, Dana 60
'71 Demon, 340, low gear 904, 8.75
'73 Chrysler New Yorker, 440, 727, 8.75
'90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt
'06 GMC 2500HD LBZ Duramax
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Re: Aftermarket street/strip car ignition
[Re: an8sec70cuda]
#2933467
06/15/21 09:04 AM
06/15/21 09:04 AM
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Joined: Oct 2007
Posts: 1,070
Big Western Pencilveinya
Uncle Barry
OP
super stock
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OP
super stock
Joined: Oct 2007
Posts: 1,070
Big Western Pencilveinya
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FWIW...I ran the old school MSD 6AL box for a LONG time. Still have them on both B bodies we have and I'm putting one on the Demon. The only reason I went to the 6530 on the cuda was all the extra features it has helps w/ the nitrous. I had problems years ago w/ the first MSD Digital 6 Plus boxes. They seemed great, until I couldn't get rid of a high RPM misfire. Swapped the old 6AL back in and it was gone. I think the early digital boxes were plagued w/ issues the newer ones don't have. Good to know. Thanks Chip. I'm kind of leaning toward the 64253 6AL and get the coil and a pro billet distributor to match. Not sure if this would be a mistake or not. I'm just naturally aspirated with my hemi.
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Re: Aftermarket street/strip car ignition
[Re: Uncle Barry]
#2933469
06/15/21 09:09 AM
06/15/21 09:09 AM
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Joined: Jan 2003
Posts: 11,726
Portage,michigan
B3422W5
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 11,726
Portage,michigan
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FWIW...I ran the old school MSD 6AL box for a LONG time. Still have them on both B bodies we have and I'm putting one on the Demon. The only reason I went to the 6530 on the cuda was all the extra features it has helps w/ the nitrous. I had problems years ago w/ the first MSD Digital 6 Plus boxes. They seemed great, until I couldn't get rid of a high RPM misfire. Swapped the old 6AL back in and it was gone. I think the early digital boxes were plagued w/ issues the newer ones don't have. Good to know. Thanks Chip. I'm kind of leaning toward the 64253 6AL and get the coil and a pro billet distributor to match. Not sure if this would be a mistake or not. I'm just naturally aspirated with my hemi. I like the 6421
69 Dart GTS A4 Silver All steel, flat factory hood, 3360race weight
418 BPE factory replacement headed stroker, 565 lift solid cam
Best so far, low 10.30’s 1/4
1.41 best 60 foot
6.56 at 104.17
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Re: Aftermarket street/strip car ignition
[Re: B3422W5]
#2933471
06/15/21 09:12 AM
06/15/21 09:12 AM
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Joined: Oct 2007
Posts: 1,070
Big Western Pencilveinya
Uncle Barry
OP
super stock
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OP
super stock
Joined: Oct 2007
Posts: 1,070
Big Western Pencilveinya
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FWIW...I ran the old school MSD 6AL box for a LONG time. Still have them on both B bodies we have and I'm putting one on the Demon. The only reason I went to the 6530 on the cuda was all the extra features it has helps w/ the nitrous. I had problems years ago w/ the first MSD Digital 6 Plus boxes. They seemed great, until I couldn't get rid of a high RPM misfire. Swapped the old 6AL back in and it was gone. I think the early digital boxes were plagued w/ issues the newer ones don't have. Good to know. Thanks Chip. I'm kind of leaning toward the 64253 6AL and get the coil and a pro billet distributor to match. Not sure if this would be a mistake or not. I'm just naturally aspirated with my hemi. I like the 6421 Is there a big difference? I get lost in all of their products lol
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Re: Aftermarket street/strip car ignition
[Re: Uncle Barry]
#2933481
06/15/21 09:40 AM
06/15/21 09:40 AM
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Joined: Jan 2003
Posts: 13,387
Marion, South Carolina [><]
an8sec70cuda
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 13,387
Marion, South Carolina [><]
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Either of those should be just fine. The 6530 just has a lot of extra features (needs a laptop to set it up), which really aren't needed for your car IMO, but is nice if you plan on doing something different in the future.
The one you're looking at is just the new digital version of the old school analog 6AL.
CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 18 spline 4 speed, Dana 60
'71 Demon, 340, low gear 904, 8.75
'73 Chrysler New Yorker, 440, 727, 8.75
'90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt
'06 GMC 2500HD LBZ Duramax
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Re: Aftermarket street/strip car ignition
[Re: an8sec70cuda]
#2933504
06/15/21 10:52 AM
06/15/21 10:52 AM
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Joined: Oct 2007
Posts: 1,070
Big Western Pencilveinya
Uncle Barry
OP
super stock
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OP
super stock
Joined: Oct 2007
Posts: 1,070
Big Western Pencilveinya
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Either of those should be just fine. The 6530 just has a lot of extra features (needs a laptop to set it up), which really aren't needed for your car IMO, but is nice if you plan on doing something different in the future.
The one you're looking at is just the new digital version of the old school analog 6AL. I'm just a test and tune a few times a year guy with no plans to run nitrous. I'm willing to go this route (I think). I'm just not up on these newer style ignition systems and you folks know the ins and outs of what's out there.
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