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 Post subject: Put a 35 wet shot on my harley pro street
PostPosted: Thu Apr 05, 2018 2:04 pm 
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Joined: Wed Apr 04, 2018 11:13 pm
Posts: 1
First time using spray, have a question about timing
My harley evo is a fairly healthy build , std dual plug heads
Std cases , bigbore / stroked etc, my question is for a 35 shot
Do I need to retard ignition? Iam using a dyna2000i that has a retard setting
Iam at 35 degrees total , should I retard by 4 degrees?
Still 3 feet snow on the ground so trying to get everything
Ready for spring , any help will be greatly appreciated


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 Post subject: Re: Put a 35 wet shot on my harley pro street
PostPosted: Sun Apr 29, 2018 9:49 pm 
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Joined: Thu Feb 03, 2005 6:07 pm
Posts: 18701
Location: Doncaster
Very sorry for the slow response but I'm here to answer your question now.

If you had not had a twin plug head you wouldn't have needed to retard the timing at all on such a small power increase. However, although it's 'tolerable' to have 2 flame fronts collide in a NA motor, it's less than ideal to do so on a nitrous motor, so I would certainly advise you to retard the timing by at least a couple of degrees, just to be safe.

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Trev (The WIZARD of NOS)

30 years of nitrous experience and counting!!!!


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