what kind of ignition for turbo - Ford Mustang Forums : Corral.net Mustang Forum
 
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post #1 of 30 Old 04-29-2008, 12:23 PM Thread Starter
 
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what kind of ignition for turbo

347 with 70turbo, manual, just wandering what msd box to purchase to get a good time, the car has a 6a box, i was told i have to have a 2 step setup in order to have a good 60 footer, looking for some advice

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post #2 of 30 Old 04-29-2008, 01:19 PM
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MSD is suppose to be coming out with a new box with built in 2step in May. I'm not sure which route i'm going either, I wonder if there will be any bugs to work out. good thread.


Stock block, GT40 heads, Explorer intake, 67mm, 10lbs, 431HP 497TQ on 110 octane. 12.01 @ 123
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post #3 of 30 Old 04-29-2008, 01:44 PM
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the Digital 6 + comes with a built in 2 step and timing retard... i've heard retarding the timing builds more boost quicker with a two step
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post #4 of 30 Old 05-19-2008, 06:14 PM
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I think im going with the Digital 6. Any of you turbo guys have any issues with this box?

Stock block, GT40 heads, Explorer intake, 67mm, 10lbs, 431HP 497TQ on 110 octane. 12.01 @ 123
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post #5 of 30 Old 05-19-2008, 09:36 PM
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I think im going with the Digital 6. Any of you turbo guys have any issues with this box?
Not one issue in over a year. I LOVE it !!!

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post #6 of 30 Old 05-19-2008, 10:12 PM
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Garage
Digital 6 here too
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post #7 of 30 Old 05-19-2008, 11:16 PM
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Ive been looking for an answer to this question, looks like a digital 6 it is... Thanks guys
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post #8 of 30 Old 05-20-2008, 12:04 AM
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I have a digital 6 too it sounds sick on the 2 step its a very nice box.

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post #9 of 30 Old 05-20-2008, 12:52 AM
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You can find them on here used for around 150...
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post #10 of 30 Old 05-20-2008, 01:16 AM
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You can find them on here used for around 150...
wow thats a crack head price let me know if you find one that cheap my dad wants one for his car too.


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post #11 of 30 Old 05-20-2008, 08:04 AM
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I reached the limits of the Digital 6 box in my car. It came to a point where the car was misfiring at higher boost pressures. It just didn't produce enough energy to fire the cylinder. I switched over to a GM "coil on plug" setup. This is certainly not the easy fix. The thread is here where you can see how we mounted the coils down on the K-member - https://forums.corral.net/forums/show...=992432&page=4

If you keep pushing for more and more HP, you will have to at least step up to the MSD Digital 7 box, but these aren't nearly as streetable according to MSD. While some drive them on the street, MSD doesn't recommend it at all because they produce so much energy that they burn up when constantly street driven.

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post #12 of 30 Old 05-20-2008, 06:21 PM
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What are the limits of the Digital 6?

Stock block, GT40 heads, Explorer intake, 67mm, 10lbs, 431HP 497TQ on 110 octane. 12.01 @ 123
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post #13 of 30 Old 05-20-2008, 07:20 PM
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What are the limits of the Digital 6?
x2

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post #14 of 30 Old 05-21-2008, 12:23 AM
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spoke to MSD today on the Dig 6. They said 1000hp is about the limit.
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post #15 of 30 Old 05-21-2008, 12:50 AM
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spoke to MSD today on the Dig 6. They said 1000hp is about the limit.
1000hp N/A or 1000 HP boosted??

I would THINK boost pressure plays a BIG factor in it. Either way it will outlast my stock block so Im all good lol lol

Originally Posted by gtconv91
i've heard retarding the timing builds more boost quicker with a two step



I LOVE mine. the 2step/timing retard is GREAT. I FINALLY got to use it at the track tonight. at 3500rpm I build basicly full boost (only 8 psi for me).

who says a 5 speed turbo car cant 60 foot. lol got a 1.63 60 on slicks FIRST time out but had to lift.. Slicks dont quite feel like DRs above like 60mph lol lol lol Gonna take me a bit to get them down, here I thought the launch was gooa be the hard part

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post #16 of 30 Old 05-21-2008, 09:23 AM
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I have wasted spark, ECU has 6 ignition ignition drivers...
What options do I have?? .. Dis-4 worth it ??.. 330 Dart block, 7.8 compression... At 15 Lb I'm blowing spark out with .020 plug gap...
What options do I have ??

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85 Lb inj Custom cam ,P 2000 Haltech ecu...4x's 2 coil wasted spark ignition.Twin SC 61-2s with Dart block, 330/4340 Crank, Oliver rods,7.9/ comp c C.P pistons.. 482 rwkw/ 646 rwhp..A.P 4 pot brakes...TKO
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post #17 of 30 Old 05-21-2008, 11:51 AM
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1000hp N/A or 1000 HP boosted??

I would THINK boost pressure plays a BIG factor in it. Either way it will outlast my stock block so Im all good lol lol
To be more precise, the issue is Cylinder Pressure. Obviously, this is greatly affected by boost pressure, but this is not the only factor when it comes to spark blow-out. Chamber design affects this as well.

My car is making approximately 950-1000fwhp right now, and we definately reached the limit of the Digital 6 box. You could see the misfires through the tuning software while the car was on the dyno. Now that we've switched it over to the GM stuff, this problem is solved completely.

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Last edited by qikazz; 05-21-2008 at 11:54 AM.
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post #18 of 30 Old 05-21-2008, 11:53 AM
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I'm closer to 100 HP than 1000HP, atleast for now.

Stock block, GT40 heads, Explorer intake, 67mm, 10lbs, 431HP 497TQ on 110 octane. 12.01 @ 123
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post #19 of 30 Old 05-21-2008, 11:56 AM
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I'm closer to 100 HP than 1000HP, atleast for now.
Good for you because once you get infected with the bug that number just starts to rise uncontrollably

'91 mod motor, turbocharged notchback, mid-8s... (SOLD)
'91 331ci GT, twin 76mm turbos, hopefully mid-7s...
'03 Evo, 2.0L, 68mm turbo, AWD street terror, mid-9s
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post #20 of 30 Old 05-21-2008, 05:39 PM
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Warning: If you go to turbomustangs.com be prepared for at least three, condescending, know-it-alls (per thread) to come into your threads telling you to use the search button first...Have fun with that

This is so TRUE!

Stock block, GT40 heads, Explorer intake, 67mm, 10lbs, 431HP 497TQ on 110 octane. 12.01 @ 123
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post #21 of 30 Old 05-21-2008, 08:13 PM
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Warning: If you go to turbomustangs.com be prepared for at least three, condescending, know-it-alls (per thread) to come into your threads telling you to use the search button first...Have fun with that

This is so TRUE!
I searched and that's what I came up with !!!
Know it all's ??? If they don't know the answere is "search"....

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2014 Falcon GTE Supercharged Coyote

85 Lb inj Custom cam ,P 2000 Haltech ecu...4x's 2 coil wasted spark ignition.Twin SC 61-2s with Dart block, 330/4340 Crank, Oliver rods,7.9/ comp c C.P pistons.. 482 rwkw/ 646 rwhp..A.P 4 pot brakes...TKO
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post #22 of 30 Old 05-26-2008, 09:17 PM
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I'd recomend the Digital 7 box think part number 7531. it'll do everything you want for a turbo car.
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post #23 of 30 Old 05-26-2008, 10:52 PM
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wow thats a crack head price let me know if you find one that cheap my dad wants one for his car too.
Sorry for the late reply... but get ahold of this guy he should still have it..

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post #24 of 30 Old 05-27-2008, 09:52 AM
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If they don't know the answere is "search"....
So true...

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'91 331ci GT, twin 76mm turbos, hopefully mid-7s...
'03 Evo, 2.0L, 68mm turbo, AWD street terror, mid-9s
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post #25 of 30 Old 05-27-2008, 02:27 PM
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I am going to use my 7al-2 box and I just got the 8977 timing computer. It does everything that the Digital 7+ (boost referenced) can do, but with the reliability of the 7al-2 box. I could have even used the 6al box with this. Beware, it is pricy though...right at $500.

Last edited by MNtony; 05-27-2008 at 02:27 PM. Reason: Added stuff...
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post #26 of 30 Old 05-27-2008, 06:29 PM
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I'm sticking with the Digital 6, got to order one soon.

Stock block, GT40 heads, Explorer intake, 67mm, 10lbs, 431HP 497TQ on 110 octane. 12.01 @ 123
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post #27 of 30 Old 05-28-2008, 02:09 AM
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I already have wasted spark, but only 6 ignition drivers in stand alone ECU so I guess I have to go with a FOUR channel ignition box ??
Such as MSD Dis-4 or some sort of ignition like M&W http://www.mwignitions.com/ ...I am runing out of spark.. Plug gap is down to .020 and I feed I could get better fuel economy with better, stronger spark..
I have heard bad things about AEM ignition blowing up....

1991 XR8 Australian Falcon TFS induction
2014 Falcon GTE Supercharged Coyote

85 Lb inj Custom cam ,P 2000 Haltech ecu...4x's 2 coil wasted spark ignition.Twin SC 61-2s with Dart block, 330/4340 Crank, Oliver rods,7.9/ comp c C.P pistons.. 482 rwkw/ 646 rwhp..A.P 4 pot brakes...TKO
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post #28 of 30 Old 05-28-2008, 08:45 AM
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you all talk about the 2 step built in, what about for automatic guys? same thing Digital 6 just as good?

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99 EXPLORER DAILY DRIVER
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post #29 of 30 Old 05-28-2008, 08:34 PM
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Yeah you put your 2step so your not going through the converter... or right before the stall... a lil more consistancy..
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post #30 of 30 Old 05-28-2008, 08:56 PM
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this box i think is better than the msd a lil more options..

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86 Hatch - Made two track outings and was parted out best e.t. to date was 9.X @ 14X
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