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Big power guys what's your ignition set up? 550hp+

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Old 09-06-06 | 07:49 PM
  #26  
aruba's Avatar
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Joined: Feb 2005
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From: florida
i just put down 600hp last weekend
but no ignition problems

lt10 with x4 box 4 bosch coils ngk 11.5
and theres room for alot more i just need to get my timming figured out
Old 09-06-06 | 10:56 PM
  #27  
fastcarfreak's Avatar
3rd motors a charm I hope
 
Joined: Apr 2003
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From: Central New York
i was told that with the microtech's x4 and bosch coils that there was no need for an ignition amp for under 30 psi. So i tested it, and it proved true. I dont get any misfiring or anything at under 30 psi. Havent tried anything more than 30 psi because my fuel system really cant hack it yet....

Oh btw, im still running ngk 9s for spark plugs. What are my risks of running the 9s?
Old 09-07-06 | 12:37 PM
  #28  
Marcel Burkett's Avatar
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Joined: Nov 2001
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From: trinidad and tobago
[QUOTE=crispeed]
Originally Posted by Marcel Burkett
Havn't finished tuning yet , so I'm not making the 550 RWHP YET ! , although I think it shouldnt be too difficult for me, any way I learnt from mine and a good friends experiences (he made 618RWHP@30psi) that MSD isnt good above 25psi , in my case it wasnt good over 15psi and 6500rpm's !/QUOTE]

That's funny.
Because I've ran 6AL's to 40psi at over 9000rpm without any misfire what so ever.
Come to think of it I know of people running 50 psi at 11000 rpm making over 990RWHP without any misfire also.

Yep , I have also read about lots of high HP cars that use very simple and cheap ignition systems , this is why we both went this route ! , but something makes a big difference down here , dunno if its the fuel the atmosphere or the tuning ??? I really cant say , but something IS different , even when we put together the same exact setup (turbo ,porting etc.) , we make less HP at the same boost and RPM ! . We suspected the old T II coils were the problem in my setup so he put on 4 brand new MSD blaster SS coils and 4 6As (I already dissmantled and sold out my system ) on his and still had the same problem ! , Carlos Lopez told him that he needs to lean out the a/f ratio and run between 12 and 12.5 at higher boost or he will break up (he runs between 11.2 and 11.5 , I dont know how true this is but he isn't too eager to do that!. I have one question though , Why did all 4 TII coils burn up when I put on the R500 ? , why didnt they burn when I was using the MSD's ? . I havn't gone to 30 psi (and I doubt that I will!) yet but i dont antisipate any problems , since I put on the R500 I have had zero problems , I will be tuning soon , so I'll let U know how it turns out.
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