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made it to the track today finally..

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Old Oct 30, 2013 | 08:19 PM
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Default made it to the track today finally..

found out I need a higher stall. So if anyone wants a lower stall 10" PTC 3k stall I want a 36 to 4k.. anyway so only ran a 11.68 but at 130mph.
slip reads
60' 2.023
330' 5.439
660' 7.883
mph 101.78
1000' 9.950
1/4 11.686
mph 130.05
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Old Oct 30, 2013 | 11:19 PM
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im going to call ptc and just to a restall tomorrow
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Old Oct 31, 2013 | 12:31 AM
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What's your combo ?
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Old Oct 31, 2013 | 12:37 AM
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67 nova, 4.8, 243 heads, ls6 cam, ching chong on 3 7681 turbo, water meth, blow through csu 750, turbo 400, to low of stall, 3.25 gears.
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Old Oct 31, 2013 | 12:46 AM
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Originally Posted by dezlfrek
67 nova, 4.8, 243 heads, ls6 cam, ching chong on 3 7681 turbo, water meth, blow through csu 750, turbo 400, to low of stall, 3.25 gears.
What about boost and timing during the pass ?
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Old Oct 31, 2013 | 05:06 AM
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turn up the boost, that converter will get looser if you can launch in boost
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Old Oct 31, 2013 | 08:04 AM
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2.02 60' its not the 3k stall holding you back.
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Old Oct 31, 2013 | 08:20 AM
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Launching off idle? You should be a full second faster with that mph
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Old Oct 31, 2013 | 01:25 PM
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that was off the trans brake, it would only stall up to 2500 and was not even close to being on boost yet.. there is a lot more left in it for sure.
boost was 15psi with a 11.1 afr and pulled back to 20* on 116.
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Old Oct 31, 2013 | 04:15 PM
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I don't think your converter is the problem. I have a 3k PTC converter as well and I can get it to 4500 and possibly more on the transbrake. What kind of timing and AFR do you have when your trying to get it up on the brake? Is your power valve opening too soon? Can you make any boost on the two step? Do you have an exhaust leak or charge piping leak? I would look elsewhere before you pull the converter.
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Old Oct 31, 2013 | 11:27 PM
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thanks chai, at this point im sure its just the tc being to tight but I talked to spec right today and they will work with to get it right.. The good part is they are close to me.
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Old Nov 1, 2013 | 07:36 AM
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I wonder if its a carb problem? PV,going to rich to soon? It must pull up to because its got some good MPH.
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Old Nov 1, 2013 | 02:07 PM
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ya it runs good, afr stays good but the stall being so low at 2500 ish and with 3.25 gears it takes probably 100 + down track before boost hits at around 32-3500 then its gone.. Im going to work on getting a 38-4k stall and I already have a tick cam here Im going to put in this weekend. I also have a bw475/87/1.0 coming but that wont help with lag over this ching chong on3 on it now.
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Old Nov 2, 2013 | 09:56 AM
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Originally Posted by dezlfrek
ching chong on3
I don't know Adam, that sounds more like what a Chinese quarterback would say in the huddle. have you tried adding a little Soy based bio-fuel to get it lit sooner?
I'm going to plumb mine with one of Weston's spool valves and see if I can get a little better bottom end performance out of it.

Last edited by RonA; Nov 2, 2013 at 11:40 AM.
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Old Nov 2, 2013 | 10:45 AM
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Bone stock cars with stock tires can get better than a 2.02 60', If you have tires and a stall thats any bigger than stock you have another problem.
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Old Nov 2, 2013 | 02:31 PM
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I changed the cam yesterday.. made a really good difference. Still will only stall up to 2500 but spool up is noticeable better. And has a nice idle to boot.
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Old Nov 4, 2013 | 10:21 AM
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Originally Posted by dezlfrek
I changed the cam yesterday.. made a really good difference. Still will only stall up to 2500 but spool up is noticeable better. And has a nice idle to boot.
Good to hear.

I'd like to see some track times with the current stall and new cam. That way you get a true comparison.
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Old Nov 4, 2013 | 01:15 PM
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Thank you Martin.. Im used to diesel stuff where you notice changes.. well I can definitely notice a difference with your cam compared to the 02+ls6 cam I replaced. Spool is faster, only about 3psi less vacuum but well worth the idle sound I now have.
Also I doubt I will have a direct comparison from track times because of the laundry list of things to change at the track. Besides it needs a stall to work right, working on a 36-4k stall so maybe I can leave with some boost and run the low 10's I want to drive off the street and rip off, then drive home.. Also I think the cage might be going in before all this happens..
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