wich of these optisparks do i need?
#1
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http://www.summitracing.com/search/B...rd=distributor
the vented or non vented? i have a 94 firebird formula.. wouldnt the vented be better? and what other parts would i need if i get the vented one?
the vented or non vented? i have a 94 firebird formula.. wouldnt the vented be better? and what other parts would i need if i get the vented one?
#7
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Hey:
You Need the 92-94 type1, non vented if going with a MSD, but also be advised all MSD OPTis are vented they are just replacing the non vented spline drive type1 OPTi. The non vented MSD replacement comes with a vent kit. Hope this helps. The 95-97 are pin drive and as stated above, req a different Cam pin, timing cover, and timing gear drive set.
Dub
You Need the 92-94 type1, non vented if going with a MSD, but also be advised all MSD OPTis are vented they are just replacing the non vented spline drive type1 OPTi. The non vented MSD replacement comes with a vent kit. Hope this helps. The 95-97 are pin drive and as stated above, req a different Cam pin, timing cover, and timing gear drive set.
Dub
Last edited by 1993 z28 f1; 07-31-2010 at 10:11 AM.
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#9
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I like the MSD cap & rotor. I just hate spending $150.00 on top of the $275.00 I paid for the Opti just so I can toss the cap & isolator. I'll buy a mirror and watch myself starve to death before I do that again. See opti mod in my sig- one way to do it yourself.
#11
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1) Install the Delphi OE non-vented as is (3 weep holes in the bottom lets moisture in, condensation drip out).
2) Buy MSD 84811 full dist. unit for $500.00 and install it with the vent harness that comes with it (need to drill a hole in the intake elbow, but that's it).
3) Buy the MSD 8481 cap & rotor kit (*part # one digit difference from the whole dist.*) to put on a non-vented Delphi unit (discarding the Delphi cap & rotor)
4) Mod the Delphi unit to be vented yourself, get a vacuum harness for it from a junkyard or dealer (dealer wants about $75.00, I paid $5.00 for mine off a Fleetwood).
#12
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depends what it has stock, as opti 1's have seals to change and opti- 2's do not. If you can, alter to go with the opti -2 as the venting was obviously necessary for longevity. I picked mine up at AZ and is lifetime.