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ECU modules RPMs rate

Started by Nacho-RT74, July 25, 2007, 11:20:22 AM

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Nacho-RT74

July 25, 2007, 11:20:22 AM
I can't remember the best workng RPM rates of ECU modules.

Black ( or blue )
Orange
Chromed
Gold
Venezuelan RT 74 400 4bbl, 727, 8.75 3.23 open. Now stroked with 440 crank and 3.55 SG. Here is the History and how is actually: http://www.dodgecharger.com/forum/index.php/topic,7603.0/all.html
http://www.dodgecharger.com/forum/index.php/topic,25060.0.html

Ghoste

#1
July 25, 2007, 04:22:49 PM
Don't know the black one but the orange will keep accurate dwell to 5500.  The chrome up to 6000 and I think the gold is good to like 10,500 isn't it?  Is the black the stock one?  Is that a 5000 rpm dwell?

Plumcrazy

#2
July 25, 2007, 05:12:59 PM
Orange box is good to 6000 rpm
Chrome box is good to 8000 rpm
Gold box is good to 10,000 rpm

It's not a midlife crisis, it's my second adolescence.

Ghoste

#3
July 25, 2007, 05:38:44 PM
I just checked the latest MP catalog and it now shows the gold as good to 12,000. 

Nacho-RT74

#4
July 25, 2007, 07:31:39 PM
ok, those rates does mean they are good from idle up to those RPMs or do they have a lower point "best performance" limit like camshafts ?
Venezuelan RT 74 400 4bbl, 727, 8.75 3.23 open. Now stroked with 440 crank and 3.55 SG. Here is the History and how is actually: http://www.dodgecharger.com/forum/index.php/topic,7603.0/all.html
http://www.dodgecharger.com/forum/index.php/topic,25060.0.html

Ghoste

#5
July 25, 2007, 10:40:03 PM
My understanding is that it means they will keep accurate dwell up to that point.
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