LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

connecting rods...

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Old Feb 11, 2003 | 05:48 PM
  #16  
WS6T3RROR's Avatar
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From: Engineerland
i'm pretty sure srp makes some racenet has some for a 396 with a 6" rod which has like a 1.03 compression height. which i do believe would allow you to run a 6.25 rod in a 350. as for the why run a 6.2 or longer rod. in the words of smokey i think you know this "longer rods make more power" as for the compression thing i am almost positively certain that the only difference is going to be the pins are higher up the the piston the actual hieght of the piston in the hole at tdc would remain the same because you've accounted for it in your piston height. long as the piston are the same hieght in the hole and the cc's are the same the cr should stay the same. but i'll agree with you after a certain point you weaken the pistons and compromise street durability and it would be silly in a sense to buy them that long especially since street guys like to use dope and its not real bright to use that short of a piston with juice cause it will likely break easily.
Old Feb 11, 2003 | 06:06 PM
  #17  
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From: looking for a flow bench so Brook and I can race
Originally posted by WS6T3RROR
i'm pretty sure srp makes some racenet has some for a 396 with a 6" rod which has like a 1.03 compression height. which i do believe would allow you to run a 6.25 rod in a 350. as for the why run a 6.2 or longer rod. in the words of smokey i think you know this "longer rods make more power" as for the compression thing i am almost positively certain that the only difference is going to be the pins are higher up the the piston the actual hieght of the piston in the hole at tdc would remain the same because you've accounted for it in your piston height. long as the piston are the same hieght in the hole and the cc's are the same the cr should stay the same. but i'll agree with you after a certain point you weaken the pistons and compromise street durability and it would be silly in a sense to buy them that long especially since street guys like to use dope and its not real bright to use that short of a piston with juice cause it will likely break easily.
dont use that word again (Rac*net)
Old Feb 11, 2003 | 06:37 PM
  #18  
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From: Engineerland
deal, just long as next time you do a build up you get heads first

i only said rac... i mean that bad place because its where i saw them first.
Old Feb 11, 2003 | 07:47 PM
  #19  
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From: looking for a flow bench so Brook and I can race
Originally posted by WS6T3RROR
deal, just long as next time you do a build up you get heads first

i only said rac... i mean that bad place because its where i saw them first.
:::shakes hand firmly::::
it actualy came out to my advantage-
If i did them theni wouldn't have wanted the 12:1 CR and i wouldn't have got them ported for next to nothing
265 CFM @.550 lift
Old Feb 11, 2003 | 11:23 PM
  #20  
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From: looking for a flow bench so Brook and I can race
396 + 6'' rods = some GROSSLY high pins and from what i've heard-
it just want to shoot that piston right out the side of the block-
just for the record
Old Feb 11, 2003 | 11:54 PM
  #21  
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From: Engineerland
we werent discussing how reliable it was, or if it was a good idea. the point is it can be done and without too terribly much effort, and can you please elaborate on shooting the piston right out of the block, thats a new one on me.
Old Feb 11, 2003 | 11:56 PM
  #22  
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From: looking for a flow bench so Brook and I can race
Originally posted by WS6T3RROR
we werent discussing how reliable it was, or if it was a good idea. the point is it can be done and without too terribly much effort, and can you please elaborate on shooting the piston right out of the block, thats a new one on me.
I just threw that in on a tangent

there is soooo much pressure on that sideskirt on a 396 with 6'' rods


ps-
finding those pistons for that rod is enough to warrant me to give up, grab a cold one and watch the simpsons
I have a chevy 350.
i'm not geting anything custom made
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