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injector decision....finally?

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cathan

Member
Joined
Nov 14, 2003
Messages
175
final opinions on this would be helpful...I was ready to buy delphi 42.5's but have read that the 50's produce a much better idle quality.

Car is an 87 with 3"DP, walbro 307 hotwired ,adjust FPR, cold air intake, billet tranny with about 2800 stall.

I found the delphi 50's on sale at racetronix for $52.00 ea. Some posts have said they had problems with 42's and I have been humming and hooing over this for a while....trying to do my homework here .
Thanks Chris
 
Go with the 50s It's better to have a larger injector and run a duty cycle of 90% or less.
Tarey D.
 
MSD 50s

I have the MSD 50s and am real happy with them. Idle is great and also have plenty of fuel. Plus you don't have to modify the computer for them to work. Hope this helps.
:)
 
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