Mike Graham/Gary Summers
 

Please check your pms

Re: Mike Graham/Gary Summers
 

Just in case Pat ,Ben,Wesley or Travis are reading this.... To maybe save a needless tear down. Both cars have the correct casting number heads. Just sayin.

Re: Mike Graham/Gary Summers
 

Mike, we meet at Numidia this summer and I have no doubt that both you are Gary are 100% legal. I think it’s a raw deal, and feel bad for what Gary went through.

Re: Mike Graham/Gary Summers
 

So you are saying he was thrown out with a casting number of D7OE-DA?

Re: Mike Graham/Gary Summers
 

No I’m pretty sure he is saying both the DA and the DC head should be listed.. no reason the DC head was removed when the DA head was added..

Re: Mike Graham/Gary Summers
 

Same head, different suffix..
looks like a paper work screw up to me.

Wonder what RJ Sledge has to say about it?

Re: Mike Graham/Gary Summers
 

What I was saying was that both cars that I am associated with have the DA head. That is the head that is listed in the blueprint spec,so by definition , it is the correct head. The takeaway should be to check the blueprint spec before you build a new combination. That is what you will be held to in teardown.

Re: Mike Graham/Gary Summers
 

My take on this the part numbers supplied to nhra need to be updated .... in my experience as an engine design engineer the suffix change usually is production tool related not base design / performance driven

Re: Mike Graham/Gary Summers
 

I heard from a reliable source it was for altering the intake casting number, and booster modifications, not the head at all.

Re: Mike Graham/Gary Summers
 

That could explain why an intake and carburator was seen being carried into the tech trailer.

Re: Mike Graham/Gary Summers
 

Break out the pop corn. This might get good.

Re: Mike Graham/Gary Summers
 

For everyone's info, the "D-" at the end of a Ford casting number is a revision suffix. DA is the original head. When an engineering change is made to the part the last letter of the suffix is moved down the alphabet. DC heads have had two changes made to them. They may cc the same, but something has been changed. I think that when the suffix was changed, the factory published HP rating stayed the same. NHRA decided they could document the HP of the DA head but not the others and edited the guide to recognize only the DA as legal. Very difficult to build a 1977 Ford 302 stocker.


'77 Chevy 305/145 has three head castings listed
'68 Chevy 327/350 has seven.


I have a Root Beer in the 'fridge...

Re: Mike Graham/Gary Summers
 

I believe that once NHRA takes a good look at this it will be reversed. I'm sure that this has happened many times over the years with part numbers added and dropped by mistake when updating blueprint specs. Have seen it happen a lot and have seen many mistakes. Big problem is Ford had part numbers and casting/engineering numbers, common parts number for early Ford heads always had a "6049" middle number and casting/eng commor middle numbers were "6090" and I believe that is where NHRA got confused when adding or dropping head numbers. Like D70E-6090-da casting number on head could have been the D70E-6049-dc "part number". Same head just different numbers one a part number and the other a casting/engineering number cast on head.

You need to remember to not take anything for granted when it comes to changes to casting/part number addition and deletions. You need to keep an eye on the blueprint specs for your own combination(s). If you find something not right you need to notify Pat at NHRA and get it sorted out. And get it in writing. Wesley is the best at this, but don't know if he is getting involved in this or not now, but he understands Racers and the problems they can run into.

I can imagine that its an overwhelming job staying on top of this and mistakes happen quite often.

Gary and Mike good luck with the outcome.

R J Sledge

Re: Mike Graham/Gary Summers
 

77 is one year only, but shouldn't be hard to find.


So what?

Re: Mike Graham/Gary Summers
 

I have been told on numerous occasions by numerous Tech people (including Gracia) that NHRA Tech ONLY checks carb model,throttle bore and venturi size. Period.
If there has been a change in that policy, I'd sure like to know!

Re: Mike Graham/Gary Summers
 

Billy,

I don't want to get pissy, BUT, so it's OK to polish the secondary bores on a Q-Jet, grind off all of the casting flash, remove he choke plate and machine off the choke horn????

CARBURETOR
Must be correct year, make, and model specified for car’s engine;
fuel or air bleed passages may be resized. Drilling idle holes in
primary
throttle blades permitted. Other modifications prohibited.
Sandblasting, grinding, flash removal, dry film coating, or any
other modification to carburetors prohibited. Replacement
carburetors permitted provided they are same model, type,
throttle bore, and venturi size. Computer carburetors use latest
model non-computer carb for engine application.

Doesn't look like it to me, but on the other hand...….

WTF do I know????

Re: Mike Graham/Gary Summers
 

You may be correct, but don't you think an official should drop the hammer if he sees a funky casting number mod? Of course. They are looking, maybe not checking.

Re: Mike Graham/Gary Summers
 

NHRA hasn't checked carb #s for years!

Re: Mike Graham/Gary Summers
 

How about intake numbers altered or otherwise?

Re: Mike Graham/Gary Summers
 

They did on my car!

Re: Mike Graham/Gary Summers
 

Issues with accepted parts has been going on for many years.

In 1966 the car I was partners on was thrown out at Indy for a Chevy cam that was not accepted even though it was the only cam you could buy from a Chevy dealer at the time. It was right out of the GM tube. We were the class R/UP and the winner was also thrown out. Not sure but I thought he was also tossed for his camshaft. Same engine/car combo. A few weeks after Indy we received a letter stating the cam we were tossed for was now accepted and ok!

Cheater (duration) cams may have been out there already but we did not have one.

50+ years later same stuff still happening

Re: Mike Graham/Gary Summers
 

Thankfully, they still check them.

Re: Mike Graham/Gary Summers
 

Yes, it is. But it's not being fixed...........or caught. Depending on your point of view.

Re: Mike Graham/Gary Summers
 

NHRA posted the reasons for the DQ's at Indy.Gary's car was bounced for an intake manifold infraction,no mention of cyl. heads.gsa612

Re: Mike Graham/Gary Summers
 

where was it posted?

Re: Mike Graham/Gary Summers
 

On the top of this page where you log in,above that click on NHRA competition.You will see statement of action against participants. gsa612