[Oldgoat1968]

Asking Price: $3,500.00 or possible partial trade for aluminum heads or other Pontiac performance items.

What is known about the heads:

• When purchased they already had several modifications including:
o Intake ports were ported and polished inside but the stock Ram AIR IV gaskets still fit.
o Exhaust Ports have been opened up to 2”
o Exhaust Crossovers have been filled with some sort of metal block fill
o Heads appear to have been shaved or just resurfaced many times over the years
o Chambers have been opened up to retail factory 71CCs
o Factory Ram AIR IV valves are installed
o Valve springs will support up to a .600 lift (per the shop that inspected them)
o When block fill was added to crossover apparently a torch was used to smooth out the metal and they cracked the inside of the port which was pressure checked and found not to be leaking. The shop I used coated the water jacket with a Teflon coating to prevent any future leaking if the crack worsened.
• Additional Details:
o Valve job performed with new seals about 5k miles ago
o Run much better with high octane racing fuel than street gas
o Currently running on a 1968 GTO with a .060 over 400CID with a Ram AIR IV camshaft and 1.65 roller rockers.
o Made about 25 passes at the track last summer/fall using gas only and no nitrous.