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305 vs 350 TPI

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Old 04-24-2005, 10:49 AM
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305 vs 350 TPI

What was the difference in price(new)? Not the package, just the engine.
And what parts didnt they share? (ex. injectors, prom)
Old 04-24-2005, 06:05 PM
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Car: 87 IROC-Z
Engine: 305 TPI
Transmission: automatic
Axle/Gears: 3.23
the price for a 305 TPI was $745 in 1987

The price for a 350 TPI was $1,045 in 1987.

I've heard that the TPI was the same on both engines, but I don't know that for a fact.
Old 04-24-2005, 11:19 PM
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The difference in parts would be the PROM, the injectors, and the knock sensor.
Old 04-25-2005, 01:44 AM
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Car: 1989 Formy droptop/88 Deville
Engine: L98 350 TPI
Transmission: factory RWD, WS6 susp
The plenum is the same I believe, and the intake? I can't recall off hand but the TPI section of the site delves into details. My mom was asking about the signifigance of adding the Form 350 stickers missing from my car. I mentioned that the engine size is denoted and makes a difference to car buyers interested in the performance aspect. The V6 F cars don't have backing for their good looks, except for the handling and the Turbo T/A of course.

BILL
Old 04-25-2005, 07:18 AM
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Location: Doghouse ······································ Car: 1989 Formula 350 Vert Engine: 350 L98 Transmission: 700R4 Axle/Gears: B&W 3.27
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Car: 87 Formula T-Top, 87 Formula HT
Engine: 5.1L TPI, 5.0L TPI
Transmission: 700R4, M5
Axle/Gears: Sag 3.73, B&W 3.45
cdartz is correct. The entiere system is the same except for what he pointed out.

John
Old 04-25-2005, 12:55 PM
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Thanks guys.
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