CLASS RACER FORUM - Fly Weights

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- - Fly Weights (https://classracer.com/classforum/showthread.php?t=35180)

The D4B is not on the list. Only the LD4B which is a later manifold. There are all sorts of mainfold numbers listed if you look. When i built the car there was no manifold number listed. Another racer got this through and with the 283 getting a 300hp manifold which picked those cars up huge I dont see the harm at this point. We are going to whine ourselves into extinction shortly. In light of all of the other bogus vehicles as a whole that are out there, this is a dead issue and has no effect on anyone as my valiant on its best day wont come within 6 - 7 tenths of the 281 cobra jet and my car has had everything possible thrown at it.

Paul -
You have to know that I'm not whining. It's just that if that manifold is accepted, then it should be published so everybody can use it. Without the documentation, it will be hard to get it through tech in some divisions. I believe the original casting number in the LD4B from MoPar was 2836139. I don't know that MoPar ever offered the D4B with a factory casting number. I wish it were accepted for all the 273s, not just the '65.

The D4B and many LD4B manifolds either have no part number or partial numbers so beware on that one. It should be applied 65 - 67 but like I said I had nothing to do with it getting it approved. The combination is an interesting and promising but is certainly no dime rocket let me tell you that from experience.

Quote:

Originally Posted by Paul Wong (Post 274405)

Now if they would just let us have the carb to go with that 283 intake

Paul,
Do you know what intake is on Bushmaker's car?

With all of the recently de-factored FFFFord 302s starting to hit the tracks, maybe it's time to take another look at the flyweights. Maybe it's time to take another look at some other mid 70s combos that have been given HP and were never competitive too! It would seem to me that the 302 thing should open up some doors to get HP back on a bunch of 304s, 318s, 305s, 307s and maybe even some 289s and 283s with 2V carbs.
Maybe some well-placed e-mails to Pat C could do the trick!

Great thread ....Accentuates the weakness/strength of the tech guide. SOOO many combos no chance of successful tech evaluations to set the standards for HP etc. Really fun to dream up unknowns and be a high qualifier for low budget.

Quote:

Originally Posted by Billy Nees (Post 410525)

I now have one of the FFFFord 302's. This needs to happen. Lower the HP on all those engines. Give these old cars a new life. How many cars are setting in peoples driveway, carport, garage that with some tweeking, would make "great" race cars. Of course, what we are considering a race car and what many others see, is a different animal. Might just allow some new people to get into Stock! I see a new run on the Salvage Yard's.

I purely stumbled into the 78 Mustang II, otherwise it would have never been on my radar. Just hope I'm smart enough to ferret out some of it's potential. Even with a soft combo, still have to learn how to make it work. Last time I messed with a SBF was the same year this car was sold new. OTOH, sure would be a hoot to start seeing a boatload of these types of cars show up at the track.

Speaking to bringing back Modified Production. Sounds like a great idea. Who could afford it? I couldn't 35 years ago. Just like Super Modified, the ship sailed long ago. You could resurrect the class but only those with very deep pockets could compete.

Pretty light combo is the 327 275 hp 66 Nova in D stick 2775. We can make weight, well maybe not after thanksgiving....

Penny is driving your old E/FS Sunbird @2295.