Rpm Limiter Question

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Stangboi4444

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Jul 13, 2016

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Sep 20, 2016

#1

• Sep 20, 2016

• #1

I have a 1970 mustang with a 289 which is overbored 60. This has a msd ignition system. On the bottom, it has a slot for a rmp limiter. It came with a 6000rpm limiter in it right now. I want to know if that is the best limiter for it. Could I go higher? I can't seem to find much on it. Thank you.

 

horse sence

15 Year Member

Nov 29, 1999

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Wile Coyote's stunt double

Sep 20, 2016

#2

• Sep 20, 2016

• #2

Depends on how your motor is built ,what rods ,what pistons, what valve springs and what bearings did you use with the crank .Is it stroked or standard rod length ?

 

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Stangboi4444

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Jul 13, 2016

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Sep 21, 2016

#3

• Sep 21, 2016

• #3

As far as I know it is standard rod length. I was not the one who rebuilt this engine so I do not know the specifics of everything. What would be the best RPM limiter for a standard 289?

 

horse sence

15 Year Member

Nov 29, 1999

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Wile Coyote's stunt double

Sep 21, 2016

#4

• Sep 21, 2016

• #4

For a stocker 6000 maybe 6500 if if you are not afraid of spinning a rod bearing or blowing a cast piston .

 

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Stangboi4444

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Jul 13, 2016

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Sep 21, 2016

#5

• Sep 21, 2016

• #5

ok thank you. I was just wondering.