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Do I send out the 6.5 heads to be rebuilt or put the diamond precups in the 6.2 heads?

Do I send out the 6.5 heads to be rebuilt or put the diamond precups in the 6.2 heads?

  • Send out the 6.5 heads to be rebuilt and sell take off 6.2 heads.

    Votes: 1 100.0%
  • Run 6.2 heads as is w/ Diamond Precups.

    Votes: 0 0.0%
  • Rebuild 6.2 heads.

    Votes: 0 0.0%

  • Total voters
    1
  • Poll closed .

WarWagon

Well it hits on 7 of 8...
Messages
8,704
Likes
3,441
Location
AZ
Thread starter #1
With a Military surplus 6.2 Longblock on the way...
Considering:
Have new springs and valves already on the way.
Do not have the tools to set up new springs properly by tension and installed height (by the book) myself.
Have 6.5 heads on hand that need rebuilt.
Have 6.2 heads coming as a military take out longblock.
Used Diamond precups coming separate from engine.
Engine will spend it's life over 2000 RPM due to Yank converter.
Other special parts going in like coated pistons, ARP studs, and gapless rings.
Already way over budget/credit limits and not spending another $600 is very attractive.
6.2 heads have injectors hit passenger side manifold on install.

In depth here:
https://www.thetruckstop.us/forum/threads/bringing-1993-patch-back-from-the-dead.47688/
 

Twisted Steel Performance

Formerly: sctrailrider
Vendor
Messages
1,875
Likes
1,705
Location
Pauline, SC
#2
6.5's and the springs aren't in need of anything other than the shim under them and a rental spring compressor, if the head isn't burnt maybe lap the valves using a drill & rubber hose... might not need a complete valve rework from the head shop...
 

WarWagon

Well it hits on 7 of 8...
Messages
8,704
Likes
3,441
Location
AZ
Thread starter #4
The 6.5 heads have wear on the valve seats and likely need some slop guides fixed. No getting around 'they go to the head shop' this time.
 
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