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Old 04-30-2019, 07:33 PM
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Default 1970 Grand Prix build sheets

Any one find or have their/others build sheets?
I'm looking for info contained in the Box "Air Cleaner", IE RA or RB. I will also need to know what engine and state it is from. Thanks for any help.

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Old 05-01-2019, 07:47 AM
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box 55 - RA
L75 - 455HO 4 bbl (WG)
4 speed
A - Lakewood plant
dealer in TX


box 55 - RB
L75 - 455HO 4bbl (XF)
TH 400
K45 option
A - Lakewood plant
dealer in FL




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Old 05-01-2019, 04:30 PM
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Thanks John.

How about anyone with the "Keep your GM" tag still on the air cleaner?

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Old 05-03-2019, 12:27 PM
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Here's two from my previously owned '70s, TX & CA cars.
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Old 05-03-2019, 12:30 PM
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Original decal placement...
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Old 05-03-2019, 01:13 PM
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I bet that blue one was a good looker?



The 'RC' for California emissions, Mike?


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Old 05-03-2019, 01:25 PM
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It was a great color combo...
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Old 05-03-2019, 02:00 PM
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That is nice.



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Old 05-03-2019, 03:27 PM
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wowzers!



That interior shot really pops!

I love these GP's!!

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1970 Formula 400
Carousel Red paint on Black standard interior
A no-engine, no-transmission, no-wheel option car.
Quite likely one of few '70 Muncie three speed Formula 400's left.


1991 Grand Am: 14.4 @ 93.7mph (DA corrected) (retired DD, stock appearing)
2009 Cobalt SS: 13.9 @ 103mph (current DD; makes something north of 300hp & 350ft/lbs)
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Old 05-03-2019, 04:48 PM
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Thanks.

RC would have had the vent hole in the base for the XT (7040568) carb. And would have been the non-HD unit.

Did they make 400/4bbl GP's in '70? Just trying to see if there was a difference in air cleaners.

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Old 05-03-2019, 05:21 PM
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Quote:
Originally Posted by Held for Ransom View Post
...
Did they make 400/4bbl GP's in '70? Just trying to see if there was a difference in air cleaners.
They sure did!

The Grand Prix used the same 'base' drivetrain as the GTO & Firebird Formula - with the exception of (as I have understood it) the GP's pretty much all used #13 heads.


https://www.uniquecarsandparts.com.a...iac_grand_prix

I would think that the GP used the same aircleaners as the Tempest/Lemans/GTO.

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1970 Formula 400
Carousel Red paint on Black standard interior
A no-engine, no-transmission, no-wheel option car.
Quite likely one of few '70 Muncie three speed Formula 400's left.


1991 Grand Am: 14.4 @ 93.7mph (DA corrected) (retired DD, stock appearing)
2009 Cobalt SS: 13.9 @ 103mph (current DD; makes something north of 300hp & 350ft/lbs)
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Old 05-03-2019, 09:58 PM
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While the 4 bbl. bases may be the same (excluding F-body), they may have had one or 2 snorkels (what I'm trying to figure out). And California emissions would have had a vent tube hole in the 4 bbl. base. GTO's had a chrome lid which gave it different PN's. There were something like 16 different air cleaner assy. PN's for '70 Pontiacs alone (excluding the Firebird/Trans Am).

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