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Old 01-02-2008, 05:37 AM
427king 427king is offline
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Default Re: 1970 L78 Nova 5 blade fan sold on e-bay WOW!!

This aint too bad either..1800.00 for three ralley wheels?? http://cgi.ebay.com/ebaymotors/ws/eB...m=230206622646
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Old 01-02-2008, 06:01 AM
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Default Re: 1970 L78 Nova 5 blade fan sold on e-bay WOW!!

Anybody educate US as to if and why ALL the 70 L-78 Camaros (1st built in Jan 70') had the 772 fan with clutch.....and some of the L-78 Nova's had the above non clutch fan set-up.

I'm also LOOKING for evidence that ALL the 70 L-78 Camaros had the left hand smog tube that went up and over the valve cover and NOT the 1969 Hockey Stick style going around front of V.C.

There are NO available original as built 70 L-78 Camaro pics available. I want to site Cumby's 70 L-78 Chevelle as my examnple.

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Old 01-02-2008, 06:08 AM
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Default Re: 1970 L78 Nova 5 blade fan sold on e-bay WOW!!



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Old 01-02-2008, 06:10 AM
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Default Re: 1970 L78 Nova 5 blade fan sold on e-bay WOW!!

Chuck, the fan issue puzzles me.. The thing with the smog tubes, and I think this is possibly the reason, is that with the camaros and novas that had the original dual snorkel air cleaner set ups, I think they utilized the non-"hockey stick style" arm on the smog tube possibly for clearance reasons with the snorkel. I would think that the "hockey style" tube would interfere with the snorkel.. But I do not know for certain just a guess ...

Rich
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Old 01-02-2008, 06:21 AM
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Default Re: 1970 L78 Nova 5 blade fan sold on e-bay WOW!!

The pictures seem to clarify the clearance reason/issue.. Looks like the "hockey style" tube would definately interfere with the snorkel on the drivers side...

Rich
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Old 01-02-2008, 06:21 AM
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Default Re: 1970 L78 Nova 5 blade fan sold on e-bay WOW!!

Gentlemen, the non-clutch 5 blade fan was used on the Nova because the clutch fan would not fit in the space available. In 1968 the first BB Novas used the clutch fan setup like the Camaro...the short water pump allowed enough room for clearance. These stock 5 blade fans make an awful noise thats why so many of them were canned back in the day and replaced with a flex fan....as for the smog tubes...my understanding is the transition from in front to over the valve cover took place in the fall of 69...may have something to do with the low profile intake...anyway I have discussed it with Bill Hodel and he can't say for sure the exact date of transition...for a fall 69 built car it's a toss up...

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Old 01-02-2008, 06:43 AM
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Default Re: 1970 L78 Nova 5 blade fan sold on e-bay WOW!!

I've believed it was due to the dimension of the radiator core and the proximity of the fan too it.Isn't it at it's very closest on the Novas? Possibly consider too,the Fan clutch has a longer attachment neck then the shorter fan spacer required on the Novas 5 bladed fan.

Cumby has an L-78?...does he know that?
I believe the early assembled solid lifter 1970 Chevelles-Novas came with the Hockey stick design,and the later built,(around late Dec. mid Jan 70),started to receive the shorter over valve cover design.And because the Hockey stick design,(No room for A/C equipped),was used mostly on the 1968-9 models,I always chalked it up to Chevrolet using up the old inventory on the early assembled 1970 solid lifter models first,then started using the later issued over valve cover design,(A/C acceptable),more rapidly on the later 1970 solids like Nova-Chevelle-new Camaro and ALL the detuned engines now requiring A.I.R. soon afterwards.
I've yet to see ANY 71-72 vehicle with the Hockey stick design.

I don't think the Dual snorkle design had anything to do with the A.I.R. tube design directly,just a coincedence that the Dual AC & over valve cover design were both in useage at the same time period,before that dual went the way of the Dodo.

I believe the Dual Snorkle air cleaner was originally intended for the 1970 LS-6 Corvette only.
When that didn't get the LS-6 nod for it's late 70 debut,Chevrolet began to use up that air cleaner as much as possible by mingleing it in with the Open Element air cleaner before cancelling it the following year.
Just my .03
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Old 01-02-2008, 07:02 AM
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Default Re: 1970 L78 Nova 5 blade fan sold on e-bay WOW!!

I had heard that the dual snorkel was installed late in the production year of 1970 for noise/emission regulations.. I don't know what that had to do with anything though. I do know of later production 70 cars that still had the open element air cleaner..

Chevy using up their inventory of the dual snorkel air cleaners makes sense.. I think sometimes we forget that Chevy/GM was thinking $$$$ back then and really didn't care what car got what on the production lines. They just wanted to use up inventories of their stuff...

Rich
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Old 01-02-2008, 07:34 AM
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Default Re: 1970 L78 Nova 5 blade fan sold on e-bay WOW!!

The latest open element car that we have is 4th of Feb. 1970...

wilma
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Old 01-14-2008, 04:52 PM
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Default Re: 1970 L78 Nova 5 blade fan sold on e-bay WOW!!

[ QUOTE ]
The latest open element car that we have is 4th of Feb. 1970...

wilma

[/ QUOTE ]

Which style dueal snorkel did the 70 Nova use? What other vehicles did this air cleaner come on? Hope it's not as proprietary as the 70 L78 Camaro...
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