V4p option - Chevy Impala SS Forum
 
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post #1 of 5 (permalink) Old 04-24-2017, 11:10 PM Thread Starter
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V4p option

Hey I found this parts car today, with 51k original miles super nice and clean DCM color exterior and the dark red interior. Hit something in the front, both air bags blown and bit frame damage.
Looks like it has the V4P option and the 342 factory gears. I grabbed a few things since I has so low mileage, but the owner wants the engine and trans for another project and then get rid of the rest of the car.
Anything else special about the V4P option on these Fleetwoods.
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post #2 of 5 (permalink) Old 04-25-2017, 06:12 AM
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This captures a lot of the features and differences:

Making a V4P car

Interesting upticks in the suspension of course. And those gears make that rear real attractive as a total swap - especially at those miles.

\'96SS SOB: SSRI, Herter Tune, Tri-Y II, , 3000 Edge, F/HO bars, METCO extendeds with CV MMC, Bilsteins, currently Vredestein Ultrac Sessanta (315/35 rear). Finally, wait for it... LT-4 knock module!
\'96FWB BUW-Butt Ugly White: PCMPerformance tune, HDFA w/ swissed filter, 1/2 SLP s.s. catback with H- and Flow Super 50s, oem opti rebuilt 3 times, SS Bars, METCO LCA, Airlift 1000, Monroe SS, PowerTrax No-Slip, CTS wheels with +1 rubber. Finally, yes again... LT-4 knock module!
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post #3 of 5 (permalink) Old 04-30-2017, 05:16 PM
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It's been a week, I know, but did you happen to score the V4P's pcm?

The 3.42 rear is the most obvious improvement; IMHO, ALL LT1 B- & D-cars should've come with 3.42 or 3.73.
Speaking of drivetrain improvements, tow-prepped 4L60Es were rebuilt far less often than 4L60Es from Roadmasters, Caprices, & Impalas SS.

The V4P's pcm is an unsung hero.
GM's decision not to equip the Cadillac Fleetwood V4P with driver access to a separate 'Tow/Haul' mode meant that the V4P shift strategy cost a 2MpG CAFE penalty compared to other LT1 B-cars in both city & highway, in exchange for always being ready to tow 7000lbs.

Most people don't know that V4P's line pressures are also unique. Most pcm reprogrammers have been making use of V4P and/or 9C1 line pressures since the early 2000s.

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post #4 of 5 (permalink) Old 05-25-2017, 04:00 PM Thread Starter
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Just found another one of these today at a local junk yard. a 96 one white with tan interior. with 342 gears Bob you still need a rear end. They will take it out for you,
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post #5 of 5 (permalink) Old 05-25-2017, 05:28 PM
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Woah!

Thanks for the lookout! I'll call you for deets. Tan inside pieces for mine too yum.

\'96SS SOB: SSRI, Herter Tune, Tri-Y II, , 3000 Edge, F/HO bars, METCO extendeds with CV MMC, Bilsteins, currently Vredestein Ultrac Sessanta (315/35 rear). Finally, wait for it... LT-4 knock module!
\'96FWB BUW-Butt Ugly White: PCMPerformance tune, HDFA w/ swissed filter, 1/2 SLP s.s. catback with H- and Flow Super 50s, oem opti rebuilt 3 times, SS Bars, METCO LCA, Airlift 1000, Monroe SS, PowerTrax No-Slip, CTS wheels with +1 rubber. Finally, yes again... LT-4 knock module!
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