Pontiac - Street No question too basic here!

          
 
 
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Old 01-06-2021, 07:48 PM
Will Will is offline
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Join Date: Dec 1999
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Quote:
Originally Posted by JLMounce View Post
...

I don't believe that anyone should spec LS7 specific lifters for this application. The HT2148's seem to cross reference to the 4.3 v6, 4.8 and 5.3 v8 LS engines specifically.
Which brings up concerns of durability/usefulness in a high performance application. One of the reasons to go with an OE lifter is supposedly higher quality, but if GM didn't design these lifters with high lifts and high spring pressures in mind, then they may not be all that great after all.

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