timing on a blower motor
06-19-2006, 07:21 AM
#1
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timing on a blower motor
What should timing be on a blower motor? The are 540s with 420 mega blowers. Adn they have the v-6 modules in them.
06-19-2006, 10:24 AM
#3
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Re: timing on a blower motor
V-6 is 14 degree module, so you want to set your initial at 14 less than total. ie-16 deg initial=30 total. Probably start aroud 28-30 total and listen for any detonation. May up two or three from there.
06-19-2006, 10:59 AM
#4
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Re: timing on a blower motor
A V6 module gives 14* advance on a V6 engine. It gives 8-10* advance on a V8 engine. Set total advance in the 28-30* range.
06-20-2006, 04:31 PM
#7
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Re: timing on a blower motor
Originally Posted by BobbyB
Thanks for the info.
Just kidding Bobby....Happy Birthday!!!!!!! See you this weekend.
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06-20-2006, 05:03 PM
#8
Geronimo36
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Re: timing on a blower motor
On the dyno my exhaust gas temps were way too high at 28*. They made the most power at 36* but have them set at 32* in the boat.
06-21-2006, 01:06 AM
#9
Re: timing on a blower motor
You all are to conservitive on timming.I guess it depends on the gas you can get?safer.
Watching the timming curve on my 500efi Mef 3 Whipple on the dyno on the top of the pull it was 35-37.even up to 9 psi Total was set at 36 locked out.We had the same timming in it at 11.5psi on race gas.
On my Scarab motor I dynoed at Oddys racing engines we set it at 35 at 11lbs of boost on 93.
Rob
Watching the timming curve on my 500efi Mef 3 Whipple on the dyno on the top of the pull it was 35-37.even up to 9 psi Total was set at 36 locked out.We had the same timming in it at 11.5psi on race gas.
On my Scarab motor I dynoed at Oddys racing engines we set it at 35 at 11lbs of boost on 93.
Rob
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