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10-02-2009, 11:07 AM
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CC Member
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Join Date: Jul 2009
Cobra Make, Engine:
Posts: 417
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Not Ranked
That's one of the things I liked about this Pertronix unit. It's small, so I should be able to wire it in under the dash right to the tach wire from the coil (-) terminal, if that's how it hooks up. Getting to it for adjustment wouldn't be that easy, but it keeps my engine bay from looking too sci-fi.
I didn't want a big MSD-type CI unit in there, so I went to the Pertronix Ignitor in place of points and all looks 60's style once the dist cap is on.
I was concerned because I once melted a piston in a Mercury 70 outboard due to igntion cutting out and then coming back in. Maybe a 2-stroke loads up with fuel during a no-spark condition where a 4-stroke doesn't.
As far as a red-line goes, I'm sure I hit about 6800 rpm once with my 428 caast crank, and that bothered me a bit as I know I could have gone higher yet. Seems to me setting this unit for 6000 rpm would be a good place to start.
I could test it out at say 3000, just to make sure it works. Nice little dials on it for adj.
If anyone actually has one, I would appreciate their view on it.
Thank-you for the replies. All good information to know.
Last edited by Argess; 10-02-2009 at 11:09 AM..
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10-02-2009, 11:10 AM
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CC Member
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Join Date: Apr 2009
Location: Bethesda,
MD
Cobra Make, Engine: CSX 6022, navy blue, period correct 427 SO
Posts: 2,154
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Not Ranked
Quote:
Originally Posted by Argess
That's one of the things I liked about this Pertronix unit. It's small, so I should be able to wire it in under the dash right to the tach wire from the coil (-) terminal, if that's how it hooks up. Getting to it for adjustment wouldn't be that easy, but it keeps my engine bay from looking to sci-fi.
If anyone actually has one, I wold appreciate their view on it.
Thank-you for the replies. All good information to know.
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Let us know how this works out. I might consider this as an option too.
__________________
“There are only three sports: bullfighting, motor racing, and mountaineering; all the rest are merely games.”
www.partskeeper.com
(Less time searching, more time wrenching & driving)
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10-02-2009, 01:53 PM
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CC Member
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Join Date: Mar 2007
Location: Seguin,
TX
Cobra Make, Engine: FFR3542K, 347 C. I., EFI, T-5, Miata Front Sway Bar, 3 Link, Red with White Stripes
Posts: 1,178
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Not Ranked
Can you use one of these rev. limiters on an EFI motor?
__________________
Steve
Texas Cobra Club-Seguin
July 2009 FFCars Picture of the Month
FFR3542K, 347, Holley Sniper EFI, T-5, 4 Wheel Discs, 3-Link, Miata Front Sway Bar, Red with White Stripes
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10-02-2009, 02:04 PM
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CC Member
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Join Date: Apr 2004
Location: Nampa,
ID
Cobra Make, Engine: ERA EXP002, 1968 PI 428 FE
Posts: 691
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Not Ranked
Seagull81 you might check your EFI system as mine (Imagine Injection) has a rev limiter built into the program that you can set on the computer.
Dick
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10-02-2009, 02:29 PM
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CC Member
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Join Date: Jan 2009
Location: Las Vegas,
NV
Cobra Make, Engine: Shelby CSX4005LA, Roush 427IR
Posts: 5,650
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Not Ranked
Quote:
Originally Posted by lamaluv
Seagull81 you might check your EFI system as mine (Imagine Injection) has a rev limiter built into the program that you can set on the computer.
Dick
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The Accel DFI system has rev limiter built in. It is programmable with the USB dongle/software. |
10-02-2009, 02:04 PM
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CC Member
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Join Date: Aug 2006
Location: San Diego,
CA
Cobra Make, Engine: SPF1715, Roush Built 434 ci Stroker, Dart Block, Ported AFR 205 Heads... 561 hp / 547 tq, Former Roush Show Car, Completed and Prepped By Olthoff Racing.
Posts: 1,066
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Not Ranked
Quote:
Originally Posted by Seagull81
Can you use one of these rev. limiters on an EFI motor?
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Yes........ |
10-02-2009, 02:18 PM
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CC Member
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Join Date: Mar 2007
Location: Seguin,
TX
Cobra Make, Engine: FFR3542K, 347 C. I., EFI, T-5, Miata Front Sway Bar, 3 Link, Red with White Stripes
Posts: 1,178
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Not Ranked
Mine is just a stock Mustang computer. I would love to have that over rev. protection. You never know when it might come in handy.
__________________
Steve
Texas Cobra Club-Seguin
July 2009 FFCars Picture of the Month
FFR3542K, 347, Holley Sniper EFI, T-5, 4 Wheel Discs, 3-Link, Miata Front Sway Bar, Red with White Stripes
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10-02-2009, 02:21 PM
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CC Member
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Join Date: Aug 2006
Location: San Diego,
CA
Cobra Make, Engine: SPF1715, Roush Built 434 ci Stroker, Dart Block, Ported AFR 205 Heads... 561 hp / 547 tq, Former Roush Show Car, Completed and Prepped By Olthoff Racing.
Posts: 1,066
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Not Ranked
I have had several EFI motors with MSD limiters on them.
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