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I just bought a 68 with a 289 - lead additive needed?

  • Thread starter Thread starter garystocker
  • Start date Start date Jan 1, 2006

garystocker

Member
Jan 2, 2005
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17
New Jersey
Jan 1, 2006
#1
  • Jan 1, 2006
  • #1
do I need to add lead to this engine?
 

Pbum5

Member
Oct 27, 2004
515
0
17
Minneapolis, MN
Jan 1, 2006
#2
  • Jan 1, 2006
  • #2
garystocker said:
do I need to add lead to this engine?
Click to expand...

It all depends.

If hardened valve seats were added when the heads were rebuilt you won’t need lead.

If not, then you will need a lead additive.

Find out from the engine builder. My guess is that they were added, but you’ll want to find out for sure.
 
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