H.P. 500 rev limiter
#1
Fast Singles Club
Gold Member
Thread Starter
iTrader: (8)
H.P. 500 rev limiter
Can anybody tell me where the stock rev limiter is located on a 1999 Merc Racing H.P. 500 ? I have an M.S.D. ignition box with a Jacobs coil . What is the stock rev limit and at what r.p.m. can this engine be safely run ? Thank you kindly .
#5
Charter Member # 55
Charter Member
Its Part #41 if you have a TB IV ignitionhttp://www.mercruiserparts.com/Show_...CAL+COMPONENTS
Last edited by Griff; 01-13-2012 at 11:52 AM.
#7
VIP Member
VIP Member
A 99' will be TBV
the rev limiter is built into the ignition module
# 38 in this picture
http://www.mercruiserparts.com/Show_...p?dnbr=853984R 1&ivar=images/CRUISER/853984.R1/5.png&inbr=2450&bnbr=5&bdesc=ELECTRICAL+COMPONENTS +%28SERIAL+%23+0K000001+THRU+0L001772%29
the rev limiter is built into the ignition module
# 38 in this picture
http://www.mercruiserparts.com/Show_...p?dnbr=853984R 1&ivar=images/CRUISER/853984.R1/5.png&inbr=2450&bnbr=5&bdesc=ELECTRICAL+COMPONENTS +%28SERIAL+%23+0K000001+THRU+0L001772%29
#8
Fast Singles Club
Gold Member
Thread Starter
iTrader: (8)
So, i guess if i don't have the box with the built in limiter or the soft touch rev control i be runnin without protection Glad i've been quick on the throttle . Thanks for the info guy's . Will check to see what i have when it warms up a little . 17* this morning
#10
Platinum Member
Platinum Member
If you have removed the stock merc ign box you will not have a rev limiter unless your msd box hase one. griff is right on with the rpm's. what limits them is your valve train.
I also run the stock merc hall efect dist in my hp500's but i run the msd 6al-2 ditigal box's with these you can program your own timing curve and rev limit right off your laptop. they work very nicely.
I also run the stock merc hall efect dist in my hp500's but i run the msd 6al-2 ditigal box's with these you can program your own timing curve and rev limit right off your laptop. they work very nicely.