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The problem with either the Vintage Air or Classic Air kits is they do not use outside air at all. Both of them block off the air inlet and strictly recirculate the air in the cabin. The factory unit uses outside air.

The Classic Air system also does not have a very good heater, particularly if you have a console. The passengers feet get warm. The drivers feet stay cold.

Either one cools fine particularly with R134 coolant. The factory system works better with R12 as R12 is much more efficient. R134 needs a bigger condenser and a bigger evaporator, both of which are provided with either of the aftermarket options. The factory unit does not have either a bigger evaporator or a bigger condenser so performance with R134 is not as good.

Did any particular photo in that collection stand out to you? 

The ceiling treatment in some of the photos is something i don't remember. Maybe I never looked up there. I just remember the ceiling being very high. Maybe the fabric covering was wasted on kids like me. We just accepted adults smoking everywhere. It was a very different world.

I was there. From 1965 - 74 the Texas State Fair was pretty good. I remember the girls (and guys?) who were the speakers by the cars were pretty unpleasant. I went a couple years ago and the Automobile building was pretty much the same except the prices were astronomical!

I think the original motor is more important in a more valuable car. Let's face it, the 1968 GT350 is the least desirable Shelby. A more desirable Shelby would be the 1967 GT500 - if one of those has its original 428 it is unusual because most of them were blown up long ago. Maybe in that case it would affect value - most folks would prefer a roller motor 347 in a '68 GT350. At least I would. 

It does not look like Venezuela to me. I've been there many times - not nasty enough. Maybe Mexico City?

Looks like there are a lot of both new and rebuilt compressors on eBay. I will take your hint and swap the tag Bob.

I think you would do better to live in a free state and travel if you want to visit.

Interested too as I have one that needs it and R12 to install when it gets done.

Chockostang has lots of them. Any date code you need.

The AGM batteries I find last maybe 4 years while the lead acid batteries last 6 years or more - if I keep both on a charger. Lead acid batteries hate being discharged. They last a long time if you take care of them.

Jeff speaks the truth - I think the toppers should get judged for what they are.

I searched everywhere with no results at all.

Have any of you found a source publishing tested results of '60s Ford performance intake manifolds CFM flow numbers? I can't find anything.

Head flow numbers are by comparison easy to find.

Have any of you done Extrude Hone on any of the intakes?


I seem to remember Cobra Automotive offering Extrude Hone on the Cobra high rise intakes but haven't talked to them recently about it.

I helped run dozens of FE intakes that Jay Brown used the results of to write his book "The Great FE Intake Comparo". If you use an FE in anything you need to read this book.

I used to live in CA. I left. Best thing I ever did.

I'd move to OK in a heartbeat. We've got friends in Yukon and Claremore but it's too far from the grandson to keep the wife happy. We'd save a fortune on car registration using her tribal ID. https://tagoffice.cherokee.org/registration/fee-schedule/

I would visit every so often. Move while you still can.

I used to live in CA. I left. Best thing I ever did.

The cable needs to be tighter to allow the car to start. The adjustment needs to be just right - as tight as possible is normally the way that works.

The Cobra aluminum intake and Holley carb for the '68 GT350 were not approved for production until May 15, 1968.

Look at the build dates for the '68 GT350. Most were already built by then.

Then you have a recall notice sent out to install them by Ford. Read the motice. It authorizes the intake but not the Holley carb and says to reinstall the Ford carb.

Apparently on recall installations, deakers used either what they had in stock for intakes which could have been the S2MS intake or the S7MS. It is unclear what intake Ford Service parts would deliver though.

The earliest of the S8MS Holleys seem to be from March '68 but there are those that are showing 1969 dates. So I would presume those are service carbs?

As Coralsnake states, original factory installed Cobra intakes are not common, as are the Holley carbs.

Compared to the other years of GT350's, the '68s are the most confusing to everyone.

Most confusing at least in regards to the carb intake situation. My 2cents.

Yes. I meant on the GT350 intake and carbs as to what is original or accepted as original.

Typically most GT 350's in 1968 had the stock cast iron intake and Autolite carburetor. A few after the date cited would have an aluminum intake and a Holley but not many.