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SmokinVette.com Forums : Corvette Forums : C4 Corvette Forums : C4 Tech & Performance : Whats a good Crank?
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Old 01-06-2013, 05:13 PM   #1
NJWolverine87
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Default Whats a good Crank?

What type of 4.000 crank/rods would you recommend for a L98?

I'm sure you know where I'm going with this

Ive been checkin out Summit (I get all my goodies from there) andl I see are Eagle, Scat & Howards, and others just wanted to know if anybody has a personal interest?
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Old 01-07-2013, 03:04 AM   #2
vetteoz
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Quote:
Originally Posted by NJWolverine87 View Post
What type of 4.000 crank/rods would you recommend for a L98?
Intended Hp /rpm of the build and your budget?
You can pay $600 or $2500 for a 4.00" crank depending on your requirements
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Old 01-07-2013, 05:02 AM   #3
NJWolverine87
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Just looking to build alot of torque down low, I figured a larger discplacement would be a good start
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Old 01-07-2013, 07:11 AM   #4
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stroking to 383 will help with that...those are all good brands...I have all Scat Forged components and a big Howards Racing, Roller Cam in my 383/525HP...but like OZ says, it just depends on what your power goals and budget are
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Old 01-07-2013, 09:09 AM   #5
NJWolverine87
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Ok so with a longer stroke what size connecting rods will I be needing and or pushrods? ( i think)
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Old 01-07-2013, 07:04 PM   #6
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Quote:
Originally Posted by NJWolverine87 View Post
Ok so with a longer stroke what size connecting rods will I be needing and or pushrods? ( i think)
What block are you planning on using?
3.75 (383) is most common stoker ; minimal clearance work of block needed and stroker parts common and cheap .
3.875" (396 ) requires more work
Even the 400 SBC only had a 3.75" stroke.
Plenty of online info if you use Google
http://speedtalk.com/forum/viewtopic.php?f=1&t=14304
http://speedtalk.com/forum/viewtopic.php?f=1&t=26164
http://www.hotrodders.com/forum/sbc-...ke-187323.html
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Old 01-08-2013, 05:10 AM   #7
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Thanks for the link vetteoz im planning to use my stock block, im looking into buying a stroker kit but not sure of what it is ill need exactly
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Old 01-08-2013, 05:31 PM   #8
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Aside from the crank. Can the stock heads and injectors handle the job?
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Old 01-09-2013, 03:14 AM   #9
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Quote:
Originally Posted by NJWolverine87 View Post
Can the stock heads and injectors handle the job?
If you are planning a big cube SBC with stock heads heading you are thinking in the wrong direction.
Better to build a 3.750 stroke 383.

At 406+ cubes ( 4.00" stroke ) you are going to want some big heads , prob 200 cc or better if you want it to see it's potential.
And you will need larger injector and prob a better intake than a TPI so it can breath.The TPI was designed for a 305

If you read the write ups , you will see a 4" bore x 4" stroke SBC is not a recommended build because of the amount of work
and cost involved vs easier/ cheaper ways of making the same Hp
is usual have the bore larger than the stroke if you want the engine to rev; 400 SBC was 4.125 bore x 3.750 stroke
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Old 01-09-2013, 05:51 AM   #10
NJWolverine87
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yea im lookin to use a 3.75 crank for a 383 build im just trying to find a kit off summitracing and gotta find out if my 22lb inj can handle it im gettin my PROM tuned too
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