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geeteeohguy geeteeohguy is online now

64-67 Expert

Visitor Messages

Showing Visitor Messages 1 to 10 of 25
  1. georgegervin44
    02-23-2015 01:49 PM - permalink
    Howdy! Would love your thoughts, as well as what to look for on this specific car when I look at her tomorrow.

    1967 Pontiac GTO 1967 GTO Real Deal 400 V8 2 Owner Paperwork LOOK For Sale | OldRide.com
  2. jgotzens
    01-03-2015 02:10 PM - permalink
    Been reading this thread and still a little confused. First, my 66 GTO is a 389 Tri Power with 670 heads. Right now running 93 octane (highest around other than 100 race or without an additive.) It runs good and I don't hear any detonation. But after reading GEETEEOHGUY's story maybe I'm just not hearing it. I have a drop top and it's down all the time so who knows. My flowmasters could be drowning it out. I know 670's need special attention to run on a 389 and they seem to have the right cam/piston set up since it all runs good. I haven't checked the timing myself, but the guy place I bought it from said it was close to 9 degrees rather than 6. It idles fine but does "clunk" a little when I put the His/hers shifter into t gear so it's probably can be backed down some. With all that said, I'm wondering even if everything "seems "OK" I shouldn't go to 100 octane or an additive to 93 just to be safe.
  3. rpontiacy
    09-23-2014 03:35 PM - permalink
    You must stay quite busy trying to stay up with all these questions. I have that 65 tempest custom with the 3 speed and would like to get someone to post a picture of the 65 gto 3 speed and linkage set up. Thanks. Rick
  4. geeteeohguy
    08-28-2014 08:36 PM - permalink
    The '77' is the last two digits on the '65 GTO and 421 head. I have a pair of them on my '65 GTO. The '76' heads your are talking about are big car 389 heads, with a compression rating of 10.5:1 instead of the 10.75:1 of the '77's.
  5. G t o
    08-09-2014 10:47 AM - permalink
    G t o
    Hello, have you ever came across a set of heads that have a casting # of 77 (casting code) however when I opened the valve cover the number on the inside the casting # is 9778776? Any idea what these are". Thanks in advance for your help.
  6. GTOmanjohn
    06-12-2014 11:23 PM - permalink
    Hello Geeteeoguy, I can tell you know your stuff and had to send you a message. I just purchased a 66 GTO convertible and it's burgundy. Looks like your car is also Burgundy. Any chance you can send me some photos of your car? I have a metallic red interior and a white top. My email is drwoo2@aol.com
    John / St Louis
  7. poocher
    04-26-2014 12:24 AM - permalink
    Hi Geeteeoguy! Thanks in advance for you help on the forum. You are quite knowlegeable. I need a little guidance. I purchased a 1965 GTO with a 1968 XH 400 in it. It has manual steering but I would like to convert it to power steering. How should I go about that? What parts would you recommend? Paul.
  8. Dmangto
    04-08-2014 10:50 PM - permalink
    Hey geeteeoguy one question my 66 gto is a hardtop with the no. 17 in the vin were any of these made with vinyl tops I thought only the sport coupe was with vinyl. I still have original chalk mark on firewall saying vinyl. Thanks again for your knowledge
  9. Sully
    03-15-2014 12:43 PM - permalink
    Hi Geeteeoguy, my name is Bill & my moniker is Sully. At your convenience, would you call me at 859 652 6726. I'm about to insulate my floor pan with the material from Loews. Question is about the thin rubber gasket that is running wires from inner firewall to the trunk. Should a gasket be present on psgr side of car? You may text if you like. Thanks a bunch, you are one of the "go to guys". Have a great weekend & thanks again.
  10. Dmangto
    02-01-2014 02:08 PM - permalink
    Hey sir my name is daryl I go by dmangto anyways I've seen your answers with a lot of knowledge please answer this for me please I have a 66 gto 4 speed I have a vacum gauge but no tach with Standard tran wouldn't their be a tach stock please advise thanks in advance for your advice thanks d

About Me

  • About geeteeohguy
    Fresno, California
    My Car (GTO or other)
    1965 GTO hardtop 3x2/4spd Blue Charcoal/Blue; 1967 GTO convertible 400/auto Burgundy/parchment
    My Interest
    Preserving history!
    Have had GTO's for 29 years. Have had 9 GTO's, all '65thru'67's


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  • Last Activity: Yesterday 03:24 PM
  • Join Date: 02-01-2008


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