[GTOGEORGE]

Originally Posted by Mark G

Well my new motor will be about 500hp more than you have now and it's getting oliver billet connecting rods. Plus as for more laps I drive my car on the street & highway .. So once again you are talking out your azz ...

LMAO.......you are so FUNNY!!!!



GTO George

[GTOGEORGE]

Originally Posted by S/st 54

George what rpm do you cross the 1/4 mile stripe at?

Around 6,800 at almost 171mph.

GTO George

[Scott Roberts]

Originally Posted by GTOGEORGE

Around 6,800 at almost 171mph.

GTO George

Have you ever thought about turning the wick way up George and spinning that thing up or are you scared you might hurt something every pass you make...
I can only thing your sweating like a nun in a field full of cucumbers everytime to stage the car...
You could lay down a big ass number..

[ponjohn]

Originally Posted by John Langer

Detonation. The aluminum rod works like a shock absorber in high compression high rpm Pontiacs. It isn’t 1972. We don’t necessarily have an oiling issue. I’ve had my short block live to 9200rpm with a 60psi Mellings oil pump. We have resolved all of the oiling issues. I have seen people throw steel rods out the side of an oil pan and bend them like a pretzel and swear it was an oiling issue so they put a dry sump on their motor to fix the “issue” just to kick them out again. Me, under 800hp, I would use a good quality steel rod. Over that, only aluminum. Take this information for what it is worth. I read it on the internet somewhere.

is detonation just a given at this rpm / power level, meaning no way to prevent it?

[John Langer]

Originally Posted by ponjohn

is detonation just a given at this rpm / power level, meaning no way to prevent it?

The sob rattles the valve cover bolts lose after a pass. When you look at dwell, piston speed, bore length, bore, stroke, combustion chamber cc, the design, it’s not really ideal for 9k rpm. If you want to go fast, your gonna rattle it.

[slowbird]

Originally Posted by John Langer

The sob rattles the valve cover bolts lose after a pass. When you look at dwell, piston speed, bore length, bore, stroke, combustion chamber cc, the design, it’s not really ideal for 9k rpm. If you want to go fast, your gonna rattle it.

Thanks for sharing!

[aaronman]

Callies Ultras in our combos from 850hp to 990hp. No issues yet...

[Dragncar]

Originally Posted by John Langer

Detonation. The aluminum rod works like a shock absorber in high compression high rpm Pontiacs. It isn’t 1972. We don’t necessarily have an oiling issue. I’ve had my short block live to 9200rpm with a 60psi Mellings oil pump. We have resolved all of the oiling issues. I have seen people throw steel rods out the side of an oil pan and bend them like a pretzel and swear it was an oiling issue so they put a dry sump on their motor to fix the “issue” just to kick them out again. Me, under 800hp, I would use a good quality steel rod. Over that, only aluminum. Take this information for what it is worth. I read it on the internet somewhere.

Thanks John. Your oil pump ? Do you run 60lb pump for HP robbing over the 80lb pump.
Reason I ask is I have 2 new 60lb pumps, one 80 lbs and wondered what the downside to the big pump was ?

[steve25]

I can't in anyway shape or form see a SBC wrist pin holding up to near prostock HP levels and over 9500 rpm!

Any motor at close to 1200 hp is making some 2000 psi of cylinder pressure and with the average pro stock motors Bore size of 4.750" that's over 35,000 psi loading the wrist pin and everything else that recipercates in the motor!

[slowbird]

Originally Posted by steve25

I can't in anyway shape or form see a SBC wrist pin holding up to near prostock HP levels and over 9500 rpm!

Any motor at close to 1200 hp is making some 2000 psi of cylinder pressure and with the average pro stock motors Bore size of 4.750" that's over 35,000 psi loading the wrist pin and everything else that recipercates in the motor!

They run .866 pins last i heard

[PAUL K]

Originally Posted by slowbird

They run .866 pins last i heard

SBC wrist pin is .927 fwiw

[Half-Inch Stud]

Originally Posted by PAUL K

SBC wrist pin is .927 fwiw

And the sbc 400 slugs can be had oversize 30,60 etc, extremely lightweight and fit the PMD455 bore/stroke. My pins are VAR and very thin wall (geez forget if taper-wall). Just that 927 little-end 6.625" PMD is a frankenstein rod!

[jimmy daniel]

Originally Posted by Mark G

Oliver billet connecting rods the only rods I will buy.

I’ve got the Oliver’s in mine with a Melling pump and holds 75-80 lbs thru the 1/4 mile. When Butler freshened it over the winter bearings looked new. Actually reused the mains.

[AIR RAM]

This is all great information however I am left wondering what blocks you guys are running at these levels. is it safe to assume everyone is running an aftermarket block or are any of you guys pushing 800+ in a factory prepped block? I just did not see anyone mention that little detail.

SPEED SAFE, NICK

[slowbird]

I know Paul K is around 800hp with a stock block. Aftermarket is just a good investment and allows more options and longer reliability

[Gary H]

Steel Callies Ultra's in my engine with a modified Melling pump (larger pickup)

[GTOGEORGE]

Originally Posted by Scott Roberts

Have you ever thought about turning the wick way up George and spinning that thing up or are you scared you might hurt something every pass you make...
I can only thing your sweating like a nun in a field full of cucumbers everytime to stage the car...
You could lay down a big ass number..

Car is only certed to 7.50 and the chassis will only take so much power, I'm basically at it now. Beside I'm pretty sure I got some 7.70's in it this year at the same boost, with blower you don't need high RPM.


GTO George

[Stan Weiss]

Car is only certified to 7.50

The chassis will only take so much power (That is way it is only certified to 7.50)

I'm basically at it now.

So then where is a 7.50 et time slip? LOL

Stan

[GTOGEORGE]

Originally Posted by Stan Weiss

Car is only certified to 7.50

The chassis will only take so much power (That is way it is only certified to 7.50)

I'm basically at it now.

So then where is a 7.50 et time slip? LOL

Stan

See I can tell you are not a racer.........yes its certed to 7.50 in other words the roll cage (funny car cage, thickness of the bars, some selected chassis bars, etc.) but the chassis itself as a whole aint going to take what the Monstrous torque of the KRE supercharged bracket engine could make with a little more boost! LOL! Besides the purse doesn't go up bracket racing at 7.50 compared to 7.70's............maybe the purse at the Nostalgia race, ill have to check.


GTO George

[Stan Weiss]

Originally Posted by GTOGEORGE

See I can tell you are not a racer.........yes its certed to 7.50 in other words the roll cage (funny car cage, thickness of the bars, some selected chassis bars, etc.) but the chassis itself as a whole aint going to take what the Monstrous torque of the KRE supercharged bracket engine could make with a little more boost! LOL! Besides the purse doesn't go up bracket racing at 7.50 compared to 7.70's............maybe the purse at the Nostalgia race, ill have to check.


GTO George

Thanks it is a rainy day here and I really can use the comic relief.

Stan