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> what year early 914's had the porthole valence?, 70 - 71? 72?
smg914
post Aug 1 2005, 06:12 PM
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QUOTE (Mueller @ Aug 1 2005, 04:00 PM)
anyone know why the design change?

too much heat build up?

exhaust pipe vibrated against valance too much with it surrounded 360°???

well????

Not only did it cause the engines to run hotter because it didn't allow the hot air to escape, it also acted like a snow shovel in the winter climates and snow, ice and gravel would accumulate up inside the large valance and it would actually over time begin to hang lower in the middle and become disfigured.
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VegasRacer
post Aug 1 2005, 06:14 PM
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Blocking won't help when you are in 2nd place in a two car race.

Next you're gonna try and blame that sweet, innocent girl you had as a passenger.
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redshift
post Aug 1 2005, 06:47 PM
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QUOTE (Mueller @ Aug 1 2005, 08:00 PM)

exhaust pipe vibrated against valance too much with it surrounded 360°???

That is what my guess has been, but it's also easier to build the car, a little more modern, and prolly cost $2 less to make.


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Porsche Rescue
post Aug 1 2005, 07:39 PM
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One more theory: deep valance would likely have to be installed after power train, whereas notched valance could be installed first. No idea if that would matter for production efficiency.\
Edit: Maybe that's what Miles means by "easier to build".
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Kargeek
post Aug 1 2005, 08:00 PM
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Cooling and snow and crud build up was one consideration with the early cars- I dont care I like the looks of the early pan, especially with a custom dual outlet.

My car is a four with a deep six pan and exaust tip.

The factory had a part number for the early valance with cooling slots- check this out from my early parts guide. I was never able to find one or hear of one ever installed on a car. DH


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MattR
post Aug 1 2005, 08:08 PM
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Aaron, maybe you could add some RUF style openings like #9 ? It may go with the louvered rockers.
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Kargeek
post Aug 1 2005, 08:28 PM
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Aron,

Cheese grater rear valance - Three or four vertical rows of louvers just below the area of the license plate area - option is to match the angle areas of the bumper.

DH
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Aaron Cox
post Aug 1 2005, 09:59 PM
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wow - never seen that before....

BTW dave - i plan on doing the cheesegrater rockers also....but, whered you do them and what did it cost?

thanks all
AA
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Garland
post Aug 1 2005, 11:02 PM
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Aaron here a another picture for you.


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Aaron Cox
post Aug 1 2005, 11:09 PM
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QUOTE (Garland @ Aug 1 2005, 10:02 PM)
Aaron here a another picture for you.

exactly! (IMG:http://www.914world.com/bbs2/html/emoticons/pray.gif)

tirad + deep valence..... plus A8 chrome tips (IMG:http://www.914world.com/bbs2/html/emoticons/smile.gif)

got any advice for modding it for the triad? how much did you have to move the hole? and how did you duplicate it on the opposite side?
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Garland
post Aug 1 2005, 11:43 PM
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QUOTE (Aaron Cox @ Aug 2 2005, 12:09 AM)
QUOTE (Garland @ Aug 1 2005, 10:02 PM)
Aaron here a another picture for you.

exactly! (IMG:http://www.914world.com/bbs2/html/emoticons/pray.gif)

tirad + deep valence..... plus A8 chrome tips (IMG:http://www.914world.com/bbs2/html/emoticons/smile.gif)

got any advice for modding it for the triad? how much did you have to move the hole? and how did you duplicate it on the opposite side?

This was a 6 valance, and I had to move the hole slightly outboard and weld in a plate to cover the difference. I trimmed the Triad tips off about 3", installed the valance and outlined the locations for the holes from the backside of the valance. The exhaust is very well made, but it, or the car was slightly off on side to side height. So a slight shim on one trans mount, and a extra washer at the engine bar made it correct. I left about a 1/2 " clearance around the pipe after increasing the size to fit the A8 tips. The holes are not round since the valance is angled. Slightly oval cut.

By the way thanks for your post, or the one you where in, on the Triad a while back it helped me make my mind up on what to buy.

The reason I cut a 6 valance was it had been cut before to fit a 4!. Hard to think the PO did that.
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Kargeek
post Aug 1 2005, 11:50 PM
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The dual outlet look is so "bitchin" (you can tell how old I am with that statement...I had my louvers punched by an outfit in Stanton, CA- Sir Michaels Louvers – this was back in the 80’s. Boyd Coddington Hot Rods was down the street. He may still be in business.

I can ask my buddy at SoCal Speed Shop in Pomona if he can help you out- we have a number of contacts with a louver press. Dave H


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ChrisFoley
post Aug 2 2005, 04:32 AM
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Back when my race car ('70) was still a street car I modified the deep rear valence for improved cooling. I made two rectangular openings and added expanded metal taken from an engine lid. I still have it stored somewhere.
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redshift
post Aug 2 2005, 05:02 AM
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QUOTE (Porsche Rescue @ Aug 1 2005, 09:39 PM)

Edit: Maybe that's what Miles means by "easier to build".

These cars were marketed in the early years of focus groups, and marketing consultants... along with all those much needed upgrades, the industry got better bean counters.

Ok, I nominate Garland's car for "bitchinest 1.7 with a triad"

That is very nice.



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Pat Garvey
post May 7 2006, 09:48 AM
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QUOTE(echocanyons @ Aug 1 2005, 12:32 PM) *

My 72 has the prothole valance, I have no reason to believe it is not original

My May '72 production 914 HAD it also, but was destroyed by vibrations from a Bursch muffler. Been using the notched valence for quite a while, but really would like to go back to the old style.
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Katmanken
post May 7 2006, 10:25 AM
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Kargeek,

Thats weird....

My parts book doesn't show that picture OR that louvered valence.... (IMG:style_emoticons/default/blink.gif)

Must be multiple books....

What else you got unique in that book of yours?

Ken
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Leo Imperial
post May 7 2006, 02:13 PM
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This thread is approaching a year old.

Did Aaron ever do this to his car???
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McMark
post May 7 2006, 02:20 PM
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It's funny, because I just looked up this old thread for a project I'm working on. And the next day, it popped to the top. (IMG:style_emoticons/default/lol2.gif)

I think Aaron did it because he bought an early valence from me.
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