PSA: Forget about new ignition distributors send your old one to The Mustang Barn! - Vintage Mustang Forums
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post #1 of 28 (permalink) Old 03-21-2019, 02:33 PM Thread Starter
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PSA: Forget about new ignition distributors send your old one to The Mustang Barn!

In the past 5 years I've tried large caps HEI, Small Cap HEI, Ready-to-Run distributors.
I pulled an original one from a junkyard motor and sent to Dan............Damn
Car runs super sweet.








.



289; .30 over bore; Weiand intake, 500 cfm 4bbl carb; re-curved dizzy;
Lowering coil springs on front; reverse eye leafs,
2.25 tri-y's; H-pipe; 40 flowmaster, trans-go shift kit.
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post #2 of 28 (permalink) Old 03-21-2019, 06:16 PM
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Sent mine in awhile back. Makes a huge difference. Mine was also a fresh "rebuild" from Advance Auto. Dan did nice work and great communication!
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post #3 of 28 (permalink) Old 03-21-2019, 07:24 PM
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+1
Dan recurved mine and it makes a huge difference!

1966 Convertible (Plant: San Jose, CA)
289 2V, PS, AC
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post #4 of 28 (permalink) Old 03-21-2019, 08:09 PM
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I just bought a new DuraSpark distributor from RockAuto (for a '74-76 F-150, the only model for a 390) and sent it to Dan. I'm looking forward to getting it back and firing up the beast.
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post #5 of 28 (permalink) Old 03-21-2019, 08:13 PM
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Shhh! I forgot to send mine off last Monday and I don't want to wait in line. I've only hear praises on their dizzy rebuild services.

65 C Code hardtop from California still wearing it's original paint.
Roller 331, TW 170 heads, T-5z, FiTech EFI, HiPo Manifolds, Arvinode exhaust, SoT Bilstien coilover front suspension, TJ on eBay 8" 3.40 Trac-Loc 3rd member. Mustang Steve 2008 GT bracketed 12.4" front disks
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post #6 of 28 (permalink) Old 03-21-2019, 09:39 PM
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Welcome to the the club.
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Regards,
Patrick
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post #7 of 28 (permalink) Old 03-21-2019, 11:08 PM
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Thank you for letting us know where to have our distributors serviced/rebuilt.
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post #8 of 28 (permalink) Old 03-22-2019, 12:35 AM
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Thumbs Up Dan's work

I had Dan rebuild mine and had Daytona Auto Parts tweak the 4100. Drove from FL to Indy to New England and back- 5,500 miles and was averaging 20+ mpg's. Ran great and I liked the better mileage! Couldn't recommend him enough!

64 9/10 Convertible- 400,000 miles & counting (2nd owner)- Invited by Ford to SEMA-2014 Pony Drive Pace Car
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post #9 of 28 (permalink) Old 03-22-2019, 09:34 AM
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When one sends a distributor to Dan for a re-curve and rebuild, what information does one include?
I had mine rebuilt/recurved years ago before I knew of Dan's services.
Would be nice to know the process.

Ken ..
64 1/2 Poppy Red Cvt. Resto-Mod
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post #10 of 28 (permalink) Old 03-22-2019, 09:52 AM
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Quote:
Originally Posted by kenash View Post
When one sends a distributor to Dan for a re-curve and rebuild, what information does one include?
I had mine rebuilt/recurved years ago before I knew of Dan's services.
Would be nice to know the process.

I sent Dan a copy of my cam card along with the distributor. As I recall, that's all he required to calibrate the distributor.

In addition to saying, "Man, that thing was knarly!" before the rebuild, he said he's been calibrating Ford distributors for decades and he's never seen one where the ignition curve was correct from the factory. Since they were mass-produced parts, the curves are all over the place and you just never know what's it doing until you calibrate it yourself or have a pro like Dan calibrate it on a Sun machine.

You must contact Mustang Barn before shipping your distributor. Give them a call or drop them an email so you can coordinate.

Currently working on a 1970 Mach 1 project. See it here: http://forums.vintage-mustang.com/vi...ode-build.html
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post #11 of 28 (permalink) Old 03-22-2019, 11:47 AM
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Quote:
Originally Posted by kenash View Post
When one sends a distributor to Dan for a re-curve and rebuild, what information does one include?
I had mine rebuilt/recurved years ago before I knew of Dan's services.
Would be nice to know the process.
He wanted as much info as possible. I told him that the engine appeared to be original, the mileage, my mods (Edelbrock carburetor) and my intended usage/driving.
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post #12 of 28 (permalink) Old 03-22-2019, 12:53 PM
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Has anyone spoken with Dan about his exact process?

I rebuilt my HiPo distributor myself and didn't see the need to have it sent out but I'm open to the idea. I'm using Pertronix Ignitor III with matching low resistance coil. When I rebuilt my dist I had a machine shop push on the gear and install the shear pin at the correct location, I verified the shaft didn't have any radial play, installed 13L weights, and lower tension springs, and tuned it in the car. For tuning, I set the initial timing to max vacuum/idle and then tracked when total timing came in by (2800 rpm) and what total timing was (38 deg). Additionally, I checked dwell to verify it was steady and then drove the car to ensure there weren't flat spots across the RPM range and that A/F ratios were slightly rich.

What additional benefit would I gain, with a HiPo distributor, by sending it to Dan?

66 GT350 Tribute in Sapphire Blue built over 12-years and finally being driven!
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post #13 of 28 (permalink) Old 03-22-2019, 02:05 PM
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Quote:
Originally Posted by Brent View Post
Has anyone spoken with Dan about his exact process?

I rebuilt my HiPo distributor myself…Additionally, I checked dwell to verify it was steady and then drove the car to ensure there weren't flat spots across the RPM range and that A/F ratios were slightly rich.

What additional benefit would I gain, with a HiPo distributor, by sending it to Dan?
Advance curve is critical to full-range performance, even on the all-centrifugal C5OF-E. Initial and total advance is only a small part of the picture. Did you verify advance at each rpm check point? A couple of degrees off on any one of them can kill performance. Just having the right springs, for example, guarantees nothing. They must also be adjusted.
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Last edited by 22GT; 03-22-2019 at 02:08 PM.
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post #14 of 28 (permalink) Old 03-22-2019, 03:34 PM
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Quote:
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Advance curve is critical to full-range performance, even on the all-centrifugal C5OF-E. Initial and total advance is only a small part of the picture. Did you verify advance at each rpm check point? A couple of degrees off on any one of them can kill performance. Just having the right springs, for example, guarantees nothing. They must also be adjusted.
I always forget to first check the Ford Service Manual, however, sometimes items specified in the Ford manuals no longer hold. For instance, due to modern fuels, original high-compression ratios found in HiPo engines, and the tendency of the HiPo advance to come in slower, timing might need to be different for another 289/302. Since I'm not running an actual HiPo engine in my '66, for a street setup, would this chart still be what's used or would I simply want a smooth increase in total timing in relation to the RPM, with all in before 3000?

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Last edited by Brent; 03-22-2019 at 03:36 PM.
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post #15 of 28 (permalink) Old 03-22-2019, 03:37 PM
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I had mine done 15 years ago by Ignitioneering in Fullerton, Ca by the original owner. The shop is now long gone.


As part of his service, he also put an additional shaft bushing in the distributor housing to improve the stock distributor reliability. I wonder if Mustang Barn does the same.

Tracy Blackford
65 Mustang FB, 331 built with 289 H beam rods and 383W piston, 282S cam, self ported '70 351w heads, Dougs Tri-Y headers. 1.7 shaft rockers and beehives. Hurricane Single Plane and custom 750 HP. T5z and 3.89 9" TL rear. PTP Engineering front suspension and 25540R17s all around
430 HP @ 6500...not too shabby for old school heads!

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