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#1
12-30-2006, 12:08 PM
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Grand Prix 1978 Vin decode... help
Hello.
I found this car at a barn, it's all original untouched for at least 15 years (i can tell by the late style license plates that were changed around here) anyways.. Hood doesn't open, and i want to know what engine it has inside... It has bucket seats and a floor shifter, tachometer in the dash, etc. etc. so i guess it's a V8.. vin is: 2h37w8p****** Please help me decode it... I hope it's not a 301, and at least a 350.. It has a HUGE front sway bar.. |
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#2
12-30-2006, 04:04 PM
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99.9% chance its a 301
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Wanted 1977 Can Am forgotten projects or parts cars, other 73-77 Pontiac A-bodys, also 4-speed setup for 73-77 GTO, Grand Ams, CA e-mail me shubedo1@yahoo.com with info. Buy Sell or Trade -------------------------------------- 
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#3
12-30-2006, 05:15 PM
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I also have a '78 GP. According to my OEM manual the vin 2H37W8P###### decodes to:
2: Pontiac H: Grand Prix (SJ) 37: 2-Door Notchback Hardtop Coupe W: 301 4bbl 8: 1978 P: Pontiac, MI plant The engine options for this were: A: 231 Y: 301 2bbl W: 301 4bbl U: 305 If its an auto tranny, the 305 came with a TH350 and the others came with a TH200. Last edited by mguerci; 12-30-2006 at 05:22 PM. |
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#4
12-31-2006, 04:34 AM
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The 305 was the Calif emissions version.
Nothing wrong with a 4 bbl 301. |
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#5
01-02-2007, 11:08 PM
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i'd rather the have the 301 myself, it was rated with my hp and torque than the smogger 305, and maybe even the 350 of that year if i remember correctly. not to mention you already have pontiac brackets and accessory wiring.
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#6
01-12-2007, 07:52 PM
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Ditto to what heff & srercrcr said. The 301 is a fine engine, as long as you're not bent on bracket racing the car.
A cherry SJ would make a nice street cruiser, and the 301 is not bad on gas either. 
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#7
01-27-2007, 03:13 PM
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1970-442, did you ever get that '78 GP.
It be nice to get an update if you did. 
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