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spring question would ls7 springs be better

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Old 01-23-2012, 01:16 PM
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Default spring question would ls7 springs be better

I was told that ls7 springs have a .590 capability and the pac 1218 is .600 but supposedly the ls7's are made for longer durability and daily driveability is this right? Going with a 224/224 TS cam with Kook headers, y pipe , LS6 intake ,ss3200 Yank,lid and cat back.

Thanks again for all your help.
Old 01-23-2012, 03:54 PM
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We haven't tried a LS7 spring with that combo, but sell the pac 1218s as a combo with the TSP 224R Hope this helps.
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Old 01-23-2012, 04:03 PM
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I didn't realize that ls7 springs at rated at that high a lift...it would be nice to find some takeoffs for cheap
Old 01-23-2012, 05:41 PM
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Don't do it!!!

LS7's have an installed height right around 2.00", so when you try to use that with the 1.80" installed height typical of other heads, you get major coilbind.
Old 01-23-2012, 07:09 PM
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Originally Posted by Jason 98 TA
We haven't tried a LS7 spring with that combo, but sell the pac 1218s as a combo with the TSP 224R Hope this helps.
I don't have the ls7 springs but I want the safest and best set up I am shortly buying a 224 or a 228 from you Jason probably a 224 I want it for a fun street car application and as reliable as can be

Originally Posted by KCS
Don't do it!!!

LS7's have an installed height right around 2.00", so when you try to use that with the 1.80" installed height typical of other heads, you get major coilbind.
I really appreciate it!!!! I'm just a bit paranoid of catasrophic failure.
I have 318.54rwhp now I am installing Kook headers and LS6 intake this winter so I would assume 330 to 335rwhp, then if money permits the cam package from TS 224 /224 with pac1218 kit with trunion upgrade , I am debating on oil pump and ls2 chain. I only have 42 000 miles on the car but I want to do it right. I was told approximately 375rwhp or more with this package so it should be a nice low 12 sec car and very streetable. I will set it up to shift at 6000rpm to 6200rpm

Money is an issue,like most, but I would rather wait then do something wrong . Everything I have done up to now was done right. I installed a Yank SS3200"wish I would of did the 3600" and the TCI Flexplate with ARP bolts probably not needed but I don't have to think about cracked flexplate :-)

I want to do this right as well without installing stuff for nothing either :-)
Old 01-24-2012, 04:06 AM
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When you install the cam, the valve springs have to be considered a maintenance item. I would do the PAC's as suggested and buy a good valve spring compressor (Crane tool which I believe is still available from Vinci). You would be surprised how easy it will be in the future to swap springs with the right tools thereby making maintenance fairly easy.
Old 01-24-2012, 04:10 AM
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With that setup, a good set of sticky tires and a 3.73's you might peak into the 11's.



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