CLASS RACER FORUM - Mopar 440 racers - time to legalize that shortblock!

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Re: Mopar 440 racers - time to legalize that shortblock!

Quote:

Originally Posted by SSDiv6 (Post 49456)

It does not affect the water pump mounts. If this was the case, then the 383/400 engine would have the same problem. The camshaft bore C/L to crankshaft C/L is the same for both the RB and B blocks and they share the same timing sets. When the RB block was created, they just added material to the deck height in the same fashion that there are different deck heights for the Chevy big block engine: there is a standard deck and tall deck. Was the 1959/1960 383 block with the 3.75 stroke cast with an RB or B block deck height? It appears they are rare and hard to find. Therefore, if the 1959/1960, 383 block was cast with the B block deck height, has an OEM 3.75 stroke, what would preclude its use in SS class as a 440 engine?

SSDiv6,

We have two separate issues here:

1.) Blocks with "cross breeding" from a 383 engine "family" for use in a 440 to get an extremely light rotating group.
2.) Blocks being altered completely different than what is approved as a Hemi replacement block by NHRA for a Hemi. The approved RB block has about 0.600 on the deck total. So what 0.400 at the most? If you go below that the water hole doesnt allow water to the cylinder heads. So any Hemi with anything lower than about 10.300 isnt using the NHRA approved block. If I am wrong about this please inform me.

If you are cutting down the approved block on deck a couple hundred thousandths that is one thing. If you are altering sand molds or substituting alternate unapproved castings.....that is something completely different. Just like was stated here previously, there is no way you can cut an RB block even close to 10.00 deck. In either case grossly illegal for Super Stock.

The 440 guys have a much easier way to go. However, cross breeding as stated in the rule book is prohibited.

If we let this happen, it is a slippery slope. We will have a Pontiac with RA-IV heads that looks like a 289 Ford, and a "G" string intake wide enough barely to fit the Q-jet. ;)

The real question is where does NHRA draw the line? It cannot be Mopar guys get it and no one else does. I am respectful of the Mopar guys doing this for power, but we gotta be able to do the same. Otherwise if they want a big motor and a very light piston with a big stroke with a 10.200 deck, they need to build a Pontiac.;)

Lynn

Re: Mopar 440 racers - time to legalize that shortblock!

travis miller has drawn the line a few times... it was erased by gracia repeatedly !!!

jack mccarthy

and if larry hill says 483 cid ill bet he's right !!

When NHRA approves the short deck you need this

As soon as NHRA approves the short deck non-production 440 you will want to find one of these 400 blocks listed as it is the strongest B/RB block available with increased support to the crankshaft. And since you have taken over .125" (more if using spacers) from the crankshaft you will need all the support you can get. http://www.440source.com/blockinfo.htm

Re: Mopar 440 racers - time to legalize that shortblock!

Im headed to PRI and wont get to see any updates until Saturday as I'm not taking my laptop. I guess at Piedmont Dragway for the combo races Ill have to do what NHRA and IHRA say on this combo.

Herb Jr
www.piedmontdragway.com

Re: Mopar 440 racers - time to legalize that shortblock!

Quote:

Originally Posted by Jack McCarthy (Post 49513)

travis miller has drawn the line a few times... it was erased by gracia repeatedly !!!

jack mccarthy

and if larry hill says 483 cid ill bet he's right !!

Jack, Don't overload Gracia's brain. He has all the work he can do running interference for a certain upstate New York Max Wedge racer who cheats his a** off. He even had A&A cast him illegal manifolds. I believe his initials are J.S.

Re: Mopar 440 racers - time to legalize that shortblock!

You guys crack me up, I have never seen more people who do not use there real name but acuse everyone of cheating. Like it was posted a few back, put up the money and have them tear us down. I have already been through it once and passed. John

Re: Mopar 440 racers - time to legalize that shortblock!

Since NHRA tech can't make up their minds then a protest and tear down would be a waste of time. The issue needs to be addressed by NHRA. Do mopar racers really think you have a handle on crossbreading of parts? There are some outstanding ford and chevrolet combinations out there using a non-OEM mixtures of blocks, cranks and rods that will easily surpass the two engine family 440 in qualifying. If NHRA allows this you BOP, Chevy and Ford racers can kiss your stock deck height block good-bye! Is a new shortblock in the Christmas budget?

Re: Mopar 440 racers - time to legalize that shortblock!

J Wiinslow you shouldnt talk your record of buying Fast Mopars and slowing them down is so Good.

Re: Mopar 440 racers - time to legalize that shortblock!

Degidio you know anything about Mopars or Stock?

Re: Mopar 440 racers - time to legalize that shortblock!

John Jr.......what are you doing for heads this year....Sorry. Say Hi to your dad for me.

Gary Hansen