squidix9

JB and I had quite a conversation about the differences between steel and magnesium. He was a proponent of the steel struts.

But even with magnesium, it all depended on who, what and where. I know my 90 ran Acropolis and 1000 Lakes(now the Neste) on the magnesium struts. Acropolis can be pretty brutal.

We can have all the water cooler talk we want about which one is stronger, but based on what mine has been through, it seems to be plenty strong enough. Hey, it's still going today after what 17 year's and a whole bunch of rallies.

fusilier

You're right thought its not an S1(evolution2) manifold as they are totally different and require the rad to mounted to the rear.

The S1E1 is what I dub the Short Quattro rally cars without wings or aerodynamics. They were the 1984 cars. Those cars have a modified SQ intake manifold and exhaust manifold. The Intake manifold has the water manifold non-integral and the exhaust manifold uses a different wastgate bolt-up pattern.

The Sprongl car has an S1E1 intake manifold just like my car, but the exhaust manifold is something else. Its tubular and not cast; however, the angle of the turbo is not typically how the S1E1 or S1E2 have it. In the factory setup the turbo is aligned on axis with the car. It could be many things so I won't speculate without seeing it.

fusilier

I'll need to paint "Turbo" in red and it'll look "sweet... awesome.."

squidix9

I took an old cruddy stock 10V manifold and started to bead it. It looks great, although without some sort of protective coating it'll just turn bad again.

Katman

Hmm.. I'm not sure about 'regulations' regarding door materials in the US, or how well they were enforced.

But I do remember 'hearing a story', long ago..

Something to the that Bruno was really pissed after he went off at some rally. Not because he went off, but because the hamfisted tow truck operator had done more dollar value damage to his undamaged 'lightweight (kevlar?) door' extracting the car, that Bruno had done putting the car off in the first place!

Pointing that Bruno *may* have been running Kevlar doors in North America (However, it may have been at a Canadian rally that the above 'story' came from..)

Also, unless there is very good documentation of origin & fabrication, US cars are not usually allowed to run exotic roll cage materials (like chrome moly).

Not to say that it's not/can't be done, but not so common.

A read of the applicable SCCA rulebook of the day may be interesting..


So who knows what really goes on? :-)

Just-Emre

Damn, I forgot to check the door skin when I was there today...

squidix9

and at that point the requirement was only a roll bar believe it or not. It wasn't until '80 or '81 where a cage was mandatory.

There were spec's for roll bar/cage material's and construction, but there also was a provision for cages that met FIA rules. I know at least one of JB's car's had an aluminum cage. One of the 4k's that he brought over from Africa also had an aluminumm cage in it.

As far as I know this provision carried forward for a number of year's. The same appled to licensing as well. For the most part where there was a lack of rules for a specific item, they would defer to FIZ regulation's. So basically if a car was documented to meet FIA spec, it was allowed to run in SCCA.

For open class car's at least at the the time there were no restriction's on coachwork material's.

In '82 it was the last year to grandfather in non-homologated vehicle's. We ran my friend's 510 with a Buick V8 in the last event of the season to qualify it to run in subsequent year's. I don't recall how many year's it was eligible to run after that. I am thinking it was something like 5 year's.

The rulebook evolved over a number of year's. The '79 rulebook is more like a pamphlet more than a book. There weren't a whole lot of rule's at the time. The routebook's of the time were equally sparse. I have mine from Susquehannok 1981, and the first stage(the water crossing) has a stage start instruction, an instruction for a "T", and then the finish control. Not a lot for the navigator to do. The whole routebook was only like 8 or 9 pages long, not like today's which are more like an encyclopedia, even for just the route instructions, not to mention the book for the stage notes.

Jayccr

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