C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Stroker rod-cam clearance

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Old Jul 28, 2007 | 06:16 PM
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Default Stroker rod-cam clearance

Hi

just wanted to ask...

i run these rods in my 396 Stroker..

http://store.summitracing.com/partde...T&autoview=sku

would they work with a "normal" camshaft, or will i have to get a small base circle cam?

thank you
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Old Jul 28, 2007 | 08:51 PM
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I would think there is a good chance they will clear, but I would ask Eagle, directly.

RACE ON!!!
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Old Jul 29, 2007 | 01:13 AM
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The description says that they aren't clearanced for a stroker.

I kind of got caught up in the topic because even though they say they aren't clearanced they sure look like they would clear just fine.

Ends up I was right and so was the description. They will work...just not in a 396.

http://cgi.ebay.com/ebaymotors/SBC-3...spagenameZWDVW

But, do call them and get it from the guys who really know.

Last edited by mykle; Jul 29, 2007 at 01:23 AM.
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Old Jul 29, 2007 | 04:15 AM
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Originally Posted by mykle
The description says that they aren't clearanced for a stroker.

I kind of got caught up in the topic because even though they say they aren't clearanced they sure look like they would clear just fine.

Ends up I was right and so was the description. They will work...just not in a 396.

http://cgi.ebay.com/ebaymotors/SBC-3...spagenameZWDVW

But, do call them and get it from the guys who really know.
Hi!!

i have special stroker clearanced rods p/n CRS(ESP) 6000BST, i bought them directly from eagle..did use a small base circle cam on my last built, but i really think its overkill...

also, just go to the bottom of the page in your ebay link...the rods, they are referring there, are the ones, i run...

i will, like CFE-EFI mentioned give them a call..unfortunately the eagle homepage seems to be down at the moment...

thank you
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Old Jul 29, 2007 | 02:52 PM
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From the Eagle web site.

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Old Jul 29, 2007 | 03:10 PM
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thanks, Maximus9000

that are the rods, i´m currently running. CRS6000BST..so, still the question..will the clear a normal base circle cam?

i really think, they should...

it seems, nobody ever built an engine with them...
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Old Jul 29, 2007 | 06:35 PM
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On my 398 - 3.875" stroke x 4.040"bore - first time around I used a Comp .900" base circle solid roller cam with the regular Eagle 3D rods with no clearance problems cam wise. This time around went with much more aggressive cam lobes - very similar durations, same .900" base circle - and had to clearance the shoulders of the rods for clearance. It wasn't a base circle clearance problem, but clearance at the flanks of the cam lobes.

Unless somebody's put together your exact combination you're not going to be able to get a definite answer.
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Old Jul 29, 2007 | 10:15 PM
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Those are the rods I'm planning to use on my build.

I believe these are the rods that are included in the Eagle forged rotating assemblies with strokes starting at 3.800 on up.
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Old Jul 29, 2007 | 10:17 PM
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corvette90

are they clearanced on the one side only, is it obvious that they have had some material taken off?
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Old Jul 29, 2007 | 11:16 PM
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Originally Posted by SloRvette

Unless somebody's put together your exact combination you're not going to be able to get a definite answer.
Here are the rods I use with a 3.80" stroke. Plenty of cam clearance with a Hotcam.
Eagle lightweights
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Old Jul 30, 2007 | 04:28 AM
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Originally Posted by Maximus9000
corvette90

are they clearanced on the one side only, is it obvious that they have had some material taken off?
Hello!!

yes, they are machined quite good on one shoulder...

here´s a pic of them: http://www.cnc-motorsports.com/produ...18&CtgID=14112

Last edited by corvette90; Jul 30, 2007 at 04:40 AM.
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Old Jul 30, 2007 | 10:42 PM
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Wow, those Featherlight H-Beam Rods are 100g lighter but only a $100 more.

How much do you think that 800g difference makes in the revs?
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