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Generation III Internal Engine 1997-2006 LS1 | LS6
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Anyone using TSP torquer v.2

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Old Apr 21, 2007 | 09:26 AM
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Default Anyone using TSP torquer v.2
What size pushrods are you using with this cam and stock heads? Or if anyone knows what size will work. I have searched and looked around alot and I keep getting two different answers of 7.4 and 7.425. Does anyone know for sure?
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Old Apr 21, 2007 | 09:32 AM
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i just done a engine rebuild with the same cam and tsp and my engine guy told me that the stock length would work fine although i havent got to run my car yet, motor install in progress. so i hope that the 7.4 will work.
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Old Apr 21, 2007 | 11:20 AM
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I ran 7.4's on my car for over a year, with no issues.
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Old Apr 21, 2007 | 11:45 AM
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yes the 7.4's will work but may not be optimium. The only way to really know forsure is to measure with a pushrod length check. That way you will know excatly what you need. takes out all the guess work
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Old Apr 21, 2007 | 07:24 PM
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7.4 will be fine...BTW,you will love this cam!!
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Old Apr 22, 2007 | 10:48 AM
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7.425. comp uses a slightly smaller base circle.
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Old Apr 22, 2007 | 01:37 PM
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Originally Posted by ls2 bait
7.425. comp uses a slightly smaller base circle.
What about PTV clearance any Flycutting of the pistons required?
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Old Apr 22, 2007 | 01:51 PM
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anyone have a sound clip or video?
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Old Apr 22, 2007 | 02:03 PM
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Originally Posted by mook99ta
What about PTV clearance any Flycutting of the pistons required?

No clearance issues. We have 4 or 5 people that say 7.4's are fine, and 1 that says use 7.425. FWIW when I bought my kit from TSP it came with 7.4's.
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Old Apr 22, 2007 | 05:51 PM
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7.4's are fine. but 7.425's are better there wont be any clearance issues.
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Old Apr 22, 2007 | 09:12 PM
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also depends on if your using milled heads
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Old Apr 22, 2007 | 10:58 PM
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7.425 here and i'm milled a tiny bit but preload is well within acceptable range
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