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Old 08-23-2019, 03:12 PM   #1
X-TECH MAN
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Cool Re: AHFS At Indy, Yes Or No
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Originally Posted by jmantle View Post
Lockup converters are legal in stock if they were OEM equipment which would include many 78 and later vehicles.
"Lockup converter permitted if OEM-equipped with lockup converter and OEM transmission is used"

Jim Mantle V/SA 6632
Most late model stockers are NOT using the OEM trans from that era !
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Old 08-23-2019, 07:48 PM   #2
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Default Re: AHFS At Indy, Yes Or No
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Originally Posted by x-tech man View Post
most late model stockers are not using the oem trans from that era !
t 200-c, thm 350 c
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Old 08-25-2019, 02:02 PM   #3
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Default Re: AHFS At Indy, Yes Or No
hmmm.... lockup legal eh
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Old 08-25-2019, 04:21 PM   #4
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Default Re: AHFS At Indy, Yes Or No
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Originally Posted by Jack McCarthy View Post
hmmm.... lockup legal eh
I wad thinking the same thing on my Olds wagon
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Old 08-25-2019, 04:27 PM   #5
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Default Re: AHFS At Indy, Yes Or No
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Originally Posted by Jeff Stout View Post
I wad thinking the same thing on my Olds wagon
I don't think he is thinking of the same "lockup" converter I'm talking about lol. Similar idea but the high dollar ones the grudge, Radial vs the World guys use. Last I heard... NOT legal in stock lol. But a 1 to1 ratio between engine and trans with no slip would be FAST.
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Old 08-25-2019, 07:33 PM   #6
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Default Re: AHFS At Indy, Yes Or No
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Originally Posted by jamie2370 View Post
I don't think he is thinking of the same "lockup" converter I'm talking about lol. Similar idea but the high dollar ones the grudge, Radial vs the World guys use. Last I heard... NOT legal in stock lol. But a 1 to1 ratio between engine and trans with no slip would be FAST.
Waiting to see if someone is running dump valve in trans to control converter slip like the grudge, radial cars run
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Old 08-26-2019, 07:13 PM   #7
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Default Re: AHFS At Indy, Yes Or No
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Originally Posted by Jeff Stout View Post
Waiting to see if someone is running dump valve in trans to control converter slip like the grudge, radial cars run


Jeff Stout, exactly what I was referring to. You can set it up to come on whenever. And the ones that could use it are high rpm, 700+hp stockers
Last edited by jamie2370; 08-26-2019 at 07:15 PM. Reason: add
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Old 08-25-2019, 08:58 PM   #8
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Default Re: AHFS At Indy, Yes Or No
The old Griner/ Coan centrifugal lock up has been outlawed for 40 years. Not sure how you'd cut a light with one for breakout racing.
A mid class Stocker just does not have the oats to pull the extra weight of a lock up clutch disc..At best, a trade off...ET for MPH , IMHO.
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Old 08-25-2019, 10:52 PM   #9
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Default Re: AHFS At Indy, Yes Or No
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Originally Posted by jamie2370 View Post
I don't think he is thinking of the same "lockup" converter I'm talking about lol. Similar idea but the high dollar ones the grudge, Radial vs the World guys use. Last I heard... NOT legal in stock lol. But a 1 to1 ratio between engine and trans with no slip would be FAST.
Want 1 to 1 in high gear put a stick and a clutch in it!
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