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steel rod or aluminium

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supervel45
Lem Evans
norm
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fordmonsta
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steel rod or aluminium Empty steel rod or aluminium

Post  fordmonsta June 16th 2023, 9:03 pm

Ill soon be building a 1200hp 532 deal for a bracket car, NA with a max rpm of about 7500. Would a steel rod be ok or do yall reccomend aluminum? I;d like to stay with a steel rod if possible. Looking at the oliver I beams 6.800 but they dont put any ratings on their website, i guess there are alot of variables, stroke, piston weight, and such

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Post  stanger68 June 17th 2023, 9:09 am

Theres no way id do an aluminum rod for that application. The life span of aluminum rods are going to be way shorter than the rest of the engine. In my mind aluminum rods are reserved for pro mods and fuel cars where nothing in the engine lasts very long.


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Post  norm June 17th 2023, 2:53 pm

How are you getting the 1200 out of 532 cu inches though?

Some applications (turbo super charged etc) warrant using aluminum rods.
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Post  Lem Evans June 17th 2023, 5:48 pm

A higher end steel rod will be great

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Post  supervel45 June 19th 2023, 12:28 am

norm wrote:How are you getting the 1200 out of 532 cu inches though?

Some applications (turbo super charged etc) warrant using aluminum rods.

Same, 1,200HP 532?

+ Whatever Go Steel N/A.

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Post  rmcomprandy June 19th 2023, 10:25 am

Everyone here needs to understand that "compressive" strength and "tensile" strength are vastly different things,
Along with an ability to absorb some shock loading as in engines which live on the brink of detonation.

All of this will almost make the determination for you.

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Post  supervel45 June 19th 2023, 12:28 pm

norm wrote:How are you getting the 1200 out of 532 cu inches though?

Some applications (turbo super charged etc) warrant using aluminum rods.

I was thinking detuned JC50 or 51, or maybe Nitro. Smile  There was a Kanadian Phantom 555 or so CID that claimed 1,200HP with some debated angle worked A Heads awhile back, on the YBullet.

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Post  Lem Evans June 19th 2023, 1:54 pm

If you go Oliver use the Max series. Callies Ultras will get the job done.

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Post  norm June 19th 2023, 5:59 pm

supervel45 wrote:
norm wrote:How are you getting the 1200 out of 532 cu inches though?

Some applications (turbo super charged etc) warrant using aluminum rods.

I was thinking detuned JC50 or 51, or maybe Nitro. Smile  There was a Kanadian Phantom 555 or so CID that claimed 1,200HP with some debated angle worked A Heads awhile back, on the YBullet.
I know of the one you're talking about and those heads had several pounds of welding rod in them.
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Post  supervel45 June 19th 2023, 7:24 pm

norm wrote:
supervel45 wrote:
norm wrote:How are you getting the 1200 out of 532 cu inches though?

Some applications (turbo super charged etc) warrant using aluminum rods.

I was thinking detuned JC50 or 51, or maybe Nitro. Smile  There was a Kanadian Phantom 555 or so CID that claimed 1,200HP with some debated angle worked A Heads awhile back, on the YBullet.
I know of the one you're talking about and those heads had several pounds of welding rod in them.

It's apparent , they had something special going on. Smile Just looking at Phelp's 618 Interceptor tells you that much.

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Post  Stangn June 27th 2023, 7:11 am

It’s surprising to me that Lem is suggesting steel rods. It’s 2023 and there are many Big and small blocks using aluminum rods with success. They don’t work harden or fail like they used to, I wouldn’t use them in my daily driver but my weekend hot rod or drag car, why not save the weight?

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Post  bounty hunter July 4th 2023, 12:03 pm

Lem Evans wrote:If you go Oliver use the Max series. Callies Ultras will get the job done.
Just listen to Lem Evans !! This guy wont steer you wrong.

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Post  Curt July 4th 2023, 8:48 pm

Stangn wrote:It’s surprising to me that Lem is suggesting steel rods.

Then you obviously don't have the knowledge that Lem has. I don't want him to have to buy a bigger hat, but he has forgot more than most will ever know on this forum. We have some brilliant minds lurking here.
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Post  supervel45 July 4th 2023, 11:57 pm

^ Somedays I think somebody found their long lost list of alternative login's around here. Question

Happy Independence day. Cool

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Post  Lem Evans July 5th 2023, 9:27 am

Most if not all pro stock engines have steel rods.

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Post  bounty hunter July 5th 2023, 4:21 pm

Lem Evans wrote:Most if not all pro stock engines have steel rods.
Some people just blow smoke out there ass ! Lem will never steer you wrong , and is VERY knowledgeable.

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