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Chev Rods Modified For Rb30?

humz

By humz,
in Engines & Forced Induction

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humz Proficient

humz

Posted
Posted (edited)

gota set of chev eagle H-beam rods ata good price, but they need to modified to fit rb engines. the distributer tells me this is not a major prolem and should not cost more than 2hunj for modifying an dmachining.

now i got 2 questions.

1: whose done this? what excatly do i have to tell the machineist to do to these? is the differance down near the bearing or up near the pin which needs to be changed.

2: who can do this in PERTH, ive ordered them so they should arrive in a week or so.

tenx

Edited by humz
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https://www.sau.com.au/forums/topic/143718-chev-rods-modified-for-rb30/
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skidkid Proficient

skidkid

Posted
Posted (edited)

I take it you ordered rods to suit 2" BE's. You need to buy .030" under be's bearings (ACL) for 2" rod, then you have .005" to grind off be's. Bolt bearings into a rod and give .0025" clearance, from my experince only. Can't remeber what the be rod width is like comparing the two. Machine shop should be able to modify that if need be. You will also need to compare rod pin sizes. Have quoted here because I grind cranks for a killing (employed to). Hope this helps.

Edited by skidkid
rev210 Grand Master

rev210

Posted
Posted (edited)
MOPAR=Mostly Old Parts And Rust!

Dodge, Chrysler, whatever can go cram their crappy american cars up you know where.

Americans cant make cars, and the same can almost be said about poms.

err yes..well.

Kind of like the stupid head concept those idiots at dodge/MOPAR came up with, the Hemi (short for hemispherical chamber head).

Those idiots!

Hang on thats the design the RB motors have! Noooooooo! :(

Edited by rev210
r33_racer Grand Master

r33_racer

Posted
Posted (edited)

yes yes...everyone knows about their achievements...and how the aftermarket block and head designs used in drag racing are based of theirs...blah blah blah...i just dont like them...so i say silly things like that. I like to be ignorant sometimes.

Edited by r33_racer
Sydneykid Grand Master

Sydneykid

Posted
Posted
gota set of chev eagle H-beam rods ata good price, but they need to modified to fit rb engines. the distributer tells me this is not a major prolem and should not cost more than 2hunj for modifying an dmachining.

now i got 2 questions.

1: whose done this? what excatly do i have to tell the machineist to do to these? is the differance down near the bearing or up near the pin which needs to be changed.

2: who can do this in PERTH, ive ordered them so they should arrive in a week or so.

tenx

Using Chevy rods is old school RB30 stuff, when you couldn't buy aftermarket RB30 conrods. By the time you pay for the machining and the bearings you could have bought specific RB30 aftermarket rods for less.

:O cheers :rofl:

rev210 Grand Master

rev210

Posted
Posted
yes yes...everyone knows about their achievements...and how the aftermarket block and head designs used in drag racing are based of theirs...blah blah blah...i just dont like them...so i say silly things like that. I like to be ignorant sometimes.

Thats ok. I was just oversensitive as I'm thinking about buying a Jensen Interceptor, British car with a 440cui Dodge big block. :O

discopotato03 Grand Master

discopotato03

Posted
Posted

In the middle of the day ? give us a bit more credit !

No just looking at your Avatar ? Whatever that means , about films you like . Must be showing my age .

Was from the second film "Aliens" , phrase went "Get away from her you bitch" . Shoot I do need a drink .

Sorry back to con rods surely someone is making them cheap enough for RB30's not to have to remachine something in the ball park dimensionally speaking . I think I'd rather have a made for the purpose rod rather than one altered by hands unknown . No come back on an altered component .

Cheers ....

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