Hello. New to EFI and just got a Sniper 4500. Can I use my MSD 85551 distributor and MSD Digital 6 box together with the 4500? Thanks.
MSD Digital 6 & Sniper 4500
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In my opinion, if a Holley EFI user isn't familiar with the Magnetic Ignition Type "Minimum Signal Voltage" &
"Filtering" parameters (in System Parameters/Custom Ignition Parameters), then they have no business using
VR/magnetic pickup type crank & cam sensors. This is the problem with using magnetic pickup type sensors,
there's more tuning work/adjustment involved. Hall-Effect sensors are "set & forget", very easy to use.
The more robust Hall-Effect sensors are preferred because they're not susceptible to EMI/RFI interference/noise,
and their digital square-wave signal strength is consistent, regardless of RPM (unlike the VR magnetic sine-wave).
Also, the VR magnetic pickup signal is weaker at cranking speeds.
Another problem with using VR Magnetic sensors, is there's more tuning work. Hall-Effect is "set & forget".
The VR Magnetic Sensor Type "Filtering" & "Minimum Signal Voltage" parameters need to be programmed.
http://documents.holley.com/199r10676rev.pdf (Magnetic Crank/Cam Input Filtering Parameters, Page 2)
http://forums.holley.com/showthread....4450#post54450 (Example: Wrong Magnetic Parameters, Post #25)
Hall-Effect: 3-wire, square wave signal (digital), pulse generation
VR Magnetic: 2-wire, sine wave signal (inductive), voltage generation
http://www.electronicproducts.com/El...g_for_you.aspx (Hall-Effect vs VR Magnetic)May God's grace bless you in the Lord Jesus Christ.
'92 Ford Mustang GT: 385"/6.3L SBF, Dart SHP 8.2 block, Eagle 3.470" forged steel crankshaft & H-beam rods, Wiseco 4.200" forged pistons, Trick Flow Twisted Wedge 11R 205 CNC Comp Ported heads, 12:1 compression ratio, 232°-244° duration/.623" lift/114° LSA H/R camshaft, Trick Flow R-Series FTI Comp Ported intake, BBK 80mm throttle body, Holley Dominator MPFI & DIS, Holley 36-1 crank trigger, MSD 1x cam sync, PA PMGR starter, PA 200A 3G alternator, Optima 34/78 Red battery, 100HP progressive dry direct-port NOS, R134a A/C, Spal Dual 12" HP 3168 CFM fans, Frostbite 3-core aluminum radiator, Pypes SS dual 2.5" exhaust, SS off-road X-pipe, SS shorty headers, OEM smog pump converted vacuum pump, Earl's -6AN fuel system plumbing, Walbro 255 LPH in-tank pump & Pro-M -6AN hanger, S&W subframe connectors, BMR upper & lower torque box reinforcements, highly modified Ford 4R70W transmission, FTI 9.5"/3000 stall/triple disc TCC, B&M Hammer shifter, Stifflers trans crossmember & driveshaft safety loop, FPP aluminum driveshaft, FPP 3.73 gears, Cobra Trac-Lok differential, Moser 31 spline axles, '04 Cobra 4-disc brakes, '93 Cobra booster & M/C, 5-lug Bullitt wheels & 245/45R17 M/T Street Comp tires.
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Originally posted by thecowwatcher View PostIn short answer, yes. But are you wanting to control the timing with the Sniper? The Sniper instructions are fairly straight forward for the Digital 6 box. Any more questions, please feel free to ask.
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