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Author Topic:   Rev limiter
FASTFORD
Gearhead

Posts: 105
From: USA
Registered: Aug 2002

posted 11-11-2002 05:42 PM     Click Here to See the Profile for FASTFORD   Click Here to Email FASTFORD     Edit/Delete Message   Reply w/Quote
I about screwed up today when my tires broke lose and the rpm's shot up. I always been paranoid about reving too high and throwing a rod or something else. How can I put a rev limiter on my engine? (289)

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1967 Mustang coupe
originally a c-code 289 with a c-4 tranny, I added holley 600cfm 4bbl, edelbrock performer intake manifold, hooker headers, and dual flowmaster exhaust. interior is stock with a kenwood cd player

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mustang68mustangs
Gearhead

Posts: 282
From: pittsburgh,pa.usa
Registered: Jul 2001

posted 11-11-2002 06:03 PM     Click Here to See the Profile for mustang68mustangs   Click Here to Email mustang68mustangs     Edit/Delete Message   Reply w/Quote
I think the best way to do it would be to buy an MSD 6AL you can use rpm pills to limit your rpm.And your car may run better too.What kind of ignition do you have now?
Bob

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V8 Thumper
Gearhead

Posts: 3467
From: Orange, Ca. United States of America
Registered: Dec 2001

posted 11-11-2002 07:21 PM     Click Here to See the Profile for V8 Thumper   Click Here to Email V8 Thumper     Edit/Delete Message   Reply w/Quote
I'll second the MSD 6AL vote. A great self-contained ignition system with a rev limiter, and affordable too. The box can be purchased new for about $200. For a brand x motor I built years ago with the usual bolt-on goodies, I'd say I got more bang for the buck with the MSD than any other comparably priced component

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1965 GT coupe, 333ci aluminum headed/solid cammed stroker, four speed, 3.70:1 9"

All Blue Oval, no blue bottle
http://mustangsandmore.50megs.com/V8Thumper.html

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ccode67
Gearhead

Posts: 1605
From: douglasville,ga,usa
Registered: Mar 2001

posted 11-12-2002 07:26 AM     Click Here to See the Profile for ccode67   Click Here to Email ccode67     Edit/Delete Message   Reply w/Quote
What about the Crane box, it has an adjustable rev limiter instead of having to "buy" more chips. ???????

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Stuart MCA #48902
M&M #1091
67 stang 5 speed, 351W,
Edelbrock Performer RPM package

Artificial Intelligence is no replacement for Natural Stupidity.

http://mustangsandmore.50megs.com/ccode67.html

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n2oMike
Gearhead

Posts: 1547
From: Spencer, WV
Registered: Jan 2001

posted 11-12-2002 10:13 AM     Click Here to See the Profile for n2oMike   Click Here to Email n2oMike     Edit/Delete Message   Reply w/Quote
If you want to go digital, MSD's newest series is a good way to go. They are more efficient, and don't require as much power to operate. The street/strip unit is the MSD Digital 6 Plus.

It's available for $279, and contains a built-in 2-step rev limiter and an ignition retard. (in case you decide to run the bottle later)

The rev limits and retard are controlled by 100rpm incrememt dials instead of 'chips' that need to be purchased seperately. (major plus)

This one small unit does a good job... and once you buy it, that's it! No more chips, ignition retard or 2-step boxes to buy.

A couple of my friends have them and are happy. They have had zero failures. With the 6AL, the battery has to be in really good shape to fire the plugs. It's possible for the battery to be good enough to spin the engine, but not fire the plugs. That doesn't happen with this digital system.

Good Luck!

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Mike Burch
66 mustang real street
302 4-speed 289 heads
10.63 @ 129.3
http://www.geocities.com/carbedstangs/cmml_mburch.html
http://www.fortunecity.com/silverstone/healey/367
http://www.mustangworks.com/cgi-bin/moi-display.cgi?220

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mustang68mustangs
Gearhead

Posts: 282
From: pittsburgh,pa.usa
Registered: Jul 2001

posted 11-12-2002 12:36 PM     Click Here to See the Profile for mustang68mustangs   Click Here to Email mustang68mustangs     Edit/Delete Message   Reply w/Quote
I can agree with the digital ignition It would be a better deal for a little more cash outlay.I,m happy with my 6AL for now though.
Bob

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rockafellz
Gearhead

Posts: 1291
From: San Lorenzo, CA, USA
Registered: Aug 2001

posted 11-12-2002 01:56 PM     Click Here to See the Profile for rockafellz   Click Here to Email rockafellz     Edit/Delete Message   Reply w/Quote
6AL. There are a LOT of arguments over rpm chips vs. dials. I like chips. To each his own.

Erik

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1966 Ford Mustang 2+2
Mine - Restomod in Progress

1966 Ford Mustang Coupe
Dad's - Original Unrestored

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FASTFORD
Gearhead

Posts: 105
From: USA
Registered: Aug 2002

posted 11-12-2002 02:35 PM     Click Here to See the Profile for FASTFORD   Click Here to Email FASTFORD     Edit/Delete Message   Reply w/Quote
I was planning on replacing my points with petronix. If I was to get an msd box, what do I do different? Also, what about something like this:
http://www.jegs.com/cgi-bin/ncommerce3/ProductDisplay?prrfnbr=2781&prmenbr=361
or this:
http://www.jegs.com/cgi-bin/ncommerce3/ProductDisplay?prrfnbr=3097&prmenbr=361

[This message has been edited by FASTFORD (edited 11-12-2002).]

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mustangboy
Gearhead

Posts: 652
From: Ont, Canada
Registered: Mar 2002

posted 11-12-2002 06:45 PM     Click Here to See the Profile for mustangboy     Edit/Delete Message   Reply w/Quote
I have a Mallory tach that has an adjustable shift light and rev limiter built in to it.It has two dials on the face to adjust them.It hooks up just like a regular tach.I'm not sure if these are still available or not but mine works well and has saved my engine a few times I'm sure.

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1968 mustang j-code [email protected] 306cu.in, stock ported heads,weiand exellerator,650 holley DP,hedman hedders,comp 292 Magnum cam,4-speed,8 inch 4.11 detroit locker

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two89w
Gearhead

Posts: 196
From: sydney australia
Registered: Sep 2002

posted 11-13-2002 05:43 AM     Click Here to See the Profile for two89w   Click Here to Email two89w     Edit/Delete Message   Reply w/Quote
i run a crane digital box with rev limiter,awsome! save's my engine from bad judgement

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