 LT1 OptiSpark, '95 TA, Summit offers the GMPP type -- any difference vs OE? |
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 Apr 22 2007, 02:05 PM
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Experienced Member  Group: Advanced Members Posts: 1,042 Joined: 24-December 03 From: Hanover, PA Member No.: 36  |
Just wondering if the GMPP version was any type of upgrade vs OE replacement.
http://store.summitracing.com/partdetail.a...94925143+400129 Steve |
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Apr 24 2007, 10:28 PM
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#2
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Experienced Member Group: Advanced Members Posts: 1,042 Joined: 24-December 03 From: Hanover, PA Member No.: 36 |
Anyone?
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Apr 25 2007, 01:28 AM
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#3
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Advanced Member Group: Advanced Members Posts: 934 Joined: 7-March 06 Member No.: 1,113 |
QUOTE (steve-d @ Apr 24 2007, 05:28 PM)  Anyone? I just put on the 96 version... looks identical to me. I got Ten bucks that says there is no difference whatsoever, but no proof. Bock |
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Apr 25 2007, 10:02 AM
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#4
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Veteran Member Group: Advanced Members Posts: 2,647 Joined: 23-December 03 From: Pittsburgh, PA Member No.: 14 |
I thought the later ones were vented.
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Apr 25 2007, 11:27 AM
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#5
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Advanced Member Group: Advanced Members Posts: 934 Joined: 7-March 06 Member No.: 1,113 |
QUOTE (KeithO @ Apr 25 2007, 05:02 AM) I thought the later ones were vented. Yes they are. They changed the drive mechanism where it mounts to the cam as well but I forget if the 95 has the newer drive with venting or the older version. You absolutely need to make sure to get the correct one. In case all our current batch of opti changers are reading this thread, there is also a special seal in the timing cover that you will need to get from the dealer. You might be able to get away with reusing the old one, but its risky. Most dealers don't keep the seal in stock so check ahead. By the way, if the Chevy dealer doesnt have it, or if they tell you $13 bucks and it must be ordered (like my Chevy dealer did), try the Pontiac or the Cadillac dealer. Should be 8 bucks. Bock |
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Apr 25 2007, 01:12 PM
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#6
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Veteran Member Group: Advanced Members Posts: 2,647 Joined: 23-December 03 From: Pittsburgh, PA Member No.: 14 |
QUOTE (cccbock @ Apr 25 2007, 05:27 AM) In case all our current batch of opti changers are reading this thread, there is also a special seal in the timing cover that you will need to get from the dealer. You wouldn't happen to know the part number for this would you? Also, the Optisparks are grouped by model year for f-bodies as follows: 93-94 and 95-97 so I assume that this is the "breakpoint" for the differences. This post has been edited by KeithO: Apr 25 2007, 01:13 PM |
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Apr 25 2007, 08:07 PM
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#7
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Advanced Member Group: Advanced Members Posts: 934 Joined: 7-March 06 Member No.: 1,113 |
QUOTE (KeithO @ Apr 25 2007, 08:12 AM) QUOTE (cccbock @ Apr 25 2007, 05:27 AM) In case all our current batch of opti changers are reading this thread, there is also a special seal in the timing cover that you will need to get from the dealer. You wouldn't happen to know the part number for this would you? Also, the Optisparks are grouped by model year for f-bodies as follows: 93-94 and 95-97 so I assume that this is the "breakpoint" for the differences. DISTRIBUTOR DRIVE SHAFT SEAL 93/94 10128317 95-97 12552428 Good Luck! Bock |
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Apr 25 2007, 09:53 PM
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#8
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Veteran Member Group: Advanced Members Posts: 2,647 Joined: 23-December 03 From: Pittsburgh, PA Member No.: 14 |
QUOTE (cccbock @ Apr 25 2007, 02:07 PM) QUOTE (KeithO @ Apr 25 2007, 08:12 AM) QUOTE (cccbock @ Apr 25 2007, 05:27 AM) In case all our current batch of opti changers are reading this thread, there is also a special seal in the timing cover that you will need to get from the dealer. You wouldn't happen to know the part number for this would you? Also, the Optisparks are grouped by model year for f-bodies as follows: 93-94 and 95-97 so I assume that this is the "breakpoint" for the differences. DISTRIBUTOR DRIVE SHAFT SEAL 93/94 10128317 95-97 12552428 Good Luck! Bock Thanks, Bock. |
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