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Black Cloud Profile
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Registered: 12-2009
Posts: 15
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Re: f/s rules clarification


Well I re-read the rules on the PSMCD site and most things say must be correct for the engine and horsepower claimed, which is fine in specification but there are "replacement" style stock sized parts that are a marked improvement over factory like stainless, tulip cut valves, lighter retainers, etc. and this one:
 Camshaft: The camshaft must be correct for the model, year, and horsepower claimed for duration, lift, and type of lifter

I read that as EXACTLY the factory ground specs for my 325hp 350 Olds, no deviation.

I have the engine torn down now and would like to build it as improved as I can while being legal.

Mark
12/10/2009, 12:24 pm Link to this post Send Email to Black Cloud   Send PM to Black Cloud
 
ragtop71 Profile
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Registered: 11-2009
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Re: f/s rules clarification


Yes, and if you read the link that tells what they check to get "certified", it gets even more specific. After reading both the rules & the Certification links on the Pure Stock Drags site, I am impressed and baffled how these cars are over (2) seconds quicker and 7 - 10 MPH faster in the quarter mile than they were stock, back in the day. Can anyone share any helpfull info to my 1971 340 factory stock build, to make it not too embarresing to these cars? Thanks.
12/11/2009, 2:43 pm Link to this post Send Email to ragtop71   Send PM to ragtop71
 
TomCannon Profile
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Re: f/s rules clarification


40 years of testing and tuning is why they go faster today.

And a 71 340 is a good package. What does it run now? Tell us about it.

---
Coming to a theater near you
12/11/2009, 6:37 pm Link to this post Send Email to TomCannon   Send PM to TomCannon
 
Black Cloud Profile
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Registered: 12-2009
Posts: 15
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Re: f/s rules clarification


ok back to the rules again. I hit the link for certification and now I'm more confused. It looks like absolutley NO changes from factory are allowed in valvetrain (if I'm reading it right) and NHRA is of no real help for the specific questions i have either.

I guess I'll build it my way and hope I can be quick enough for it to matter.

Black Cloud
12/11/2009, 8:07 pm Link to this post Send Email to Black Cloud   Send PM to Black Cloud
 
ragtop71 Profile
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Registered: 11-2009
Posts: 17
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Re: f/s rules clarification


quote:

TomCannon wrote:

40 years of testing and tuning is why they go faster today.

And a 71 340 is a good package. What does it run now? Tell us about it.



Hi. I am a ways from completing. I am just starting the 71 340 re-build. Thanks
12/11/2009, 9:40 pm Link to this post Send Email to ragtop71   Send PM to ragtop71
 
72SSLS5Chevelle Profile
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Registered: 10-2010
Location: Central Florida
Posts: 71
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Re: f/s rules clarification


quote:

DaveDudek wrote:

Hello BC, and welcome aboard. If you get a chance give me a ring and i`ll fill you in on the rules/sprit of the F/S class. emoticon

(586) 945-4982



Dave, old post... I know. Is this still a valid # for you? And is the offer still open? I have a few questions concering my build. Haven't found a set of cylinder heads cores yet, but trying to get my ducks in a row for when I am able to find a set.

---
1972 Chevelle SS 454/4 speed "tribute"
F/S car - almost done.
1969 Chevelle 2dr Hardtop - next on deck.
10/26/2010, 10:36 pm Link to this post Send Email to 72SSLS5Chevelle   Send PM to 72SSLS5Chevelle Blog
 


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