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Pontiac of the Month

FBIRD69's 1969 Firebird

2024 March
of the Month

TWO LANE BLACK TOP

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Everything posted by TWO LANE BLACK TOP

  1. WTF...??....What is the Brand/Part number and Grind of the camshaft...?? The numbers should be on the front cam bearing journal and visible with the cam (top) timing gear removed...
  2. Midway is located to the south (towards Charlotte) Almost exactly halfway between Winston-Salem and Lexington NC (Lexington borders Highpoint)...But you can go that way to Get to Myrtle beach from here...and avoid going through High Point proper...Winston-salem...Greensboro...Highpoint Pretty much all border each other...With Kernersville located right in the middle bordering all three cities...I work in Greensboro right next To the PTI airport...Is 27.3 miles from my driveway to where I park at work...But drive through Walburg...Highpoint...Kernersville...Greensboro and except for Walburg...They all run together/ border close to the airport... I-85 runs Through Lexington.. Hp..Gso..
  3. The show is pretty much just a local Cruise in...Rather than a formal show...Takes place Every second Sunday of the month...Year around....Unless there is really crappy weather ...Takes place In Midway NC...About 5 miles from here...Sometimes there is very little Turnout...Other times you can't get near the place...Just luck of the Draw as to Turnout...There is a couple more shows taking place over the next two weekends...One in Walburg NC....2 miles (as the crow flies) To the Northeast of my location...The other is about a 15 minute ride from here...Just Inside the city limits of Winston-salem...Will more than likely attend both....Even though generally I'm too lazy to carry my phone around with me...I will make an effort to get some pics....For all you photophiles out there....🙂🙂
  4. Cruise in today....Expected better turn out ....Was beautiful weather... One owner 1973 Dodge Charger... Token Pontiacs... Have to acknowledge the Edsel... Must have been Corvette day...
  5. Fitzy... Some seem to think that removing the Intake cross over...Will give them a power gain ... By Isolating/Eliminating any heat soak issues...Caused by the hot coolant flowing through the cross over...Theoretically... Allowing the gas in the Carburetor/carburetors fuel bowls... To maintain a cooler temperature... I have never done it (removed the crossover)...I personally think that any perceived gain would be negligible at most...and Not Worth the Time...Money...effort/hassle....And realistically would probably cause other problems/issues...Especially on street driven cars... A phenolic spacer between the carburetor and the intake manifold is a far better way of dealing with heat soak... Just my two cents...
  6. Are the Bathhurst cars stock body with the factory based components....Engines...Brakes...chassis..etc...That anyone could buy through a dealership...If they were so inclined to do so...?? Or are they purpose built Spec racecars with no real relation to the street cars other than the basic shape...like NASCAR Cup cars...?? Are there different classes/Divisions of cars..?? Thanks TLBT..
  7. I'd love to say something Pontiac related but I got nothing. Once my wound heals a bit more I will throw myself into the engine dismantle. I found a secondhand Edelbrock dual plane intake to suit my car. I might talk to the seller today. Rocky Rotella says that any performance gains are minimal (I've fitted one to a previous ride and the difference was immense) since I keep the rpm pretty low but it's a nice piece of bling. That reminds me of a question: someone posted some time ago of a small coolant leak where the intake meets the water pump. Mine has the same issue. I'm damned if I can remember what the fix is. Any ideas? I do recall that my original intake had suffered some internal corrosion over the years but I deemed it serviceable after cleaning it up as best I could. The evidence of a leak is a tiny puddle sitting on the valley pan, just below the top radiator hose.
  8. There Has been a rash of theft around my locality recently too...Have been making sure I keep everything locked up...But if they persist... The coolant leak is more the likely coming from the intake manifold where the front timing cover slips into it... below the thermostat housing...Probably a bad 0 ring...
  9. Thieves are the lowest of the low...Should be dealt with in a Very Harsh and Unpleasant manor... The first time...
  10. The only thing that saved me was the fact...I had recently joined the military and was headed out to San Diego for basic Training three days after I had appeared in court...The judge told me that " I had a shitty attitude and a blatant lack of respect for anykind of authority...It was my lucky day and That if he ever saw or heard of me in his courtroom again...That he would go out of his way... Legal or Not...To insure that I would do hard time....Now get the F÷=k out of here"...There was NO doubt in my mind that he really meant it...
  11. Getting caught is never a good thing...Although everytime that I've gone to traffic court...I always run into someone that I know and haven't seen in years...Kinda like a reunion of sorts...I've also found out the hardway... That if the cops are close enough to see them in the rearview...You're already caught...You can't out run a Motorola...☹☹ I tried one time 40 plus years ago...While riding a Kawasaki KZ 1000... The North Carolina State trooper that finally got me was driving a mid 1970s Dodge...That had a dual quad 440 CID engine that had been Specially prepped and tuned by Maurice Petty...(Cheif engine builder for Richard Petty Racing) Specifically For the state of NC...If I remember correctly the state had 10 of those "special" cars back in the day...
  12. I know right...Supposed to be watching where you're going...Not where you've already Been...
  13. Forgot to mention it in my earlier post... Something to be Very aware of...Pontiac and Chevrolet lifters are dimensionally the same...Height and Diameter...The difference between the two is the height of the oiling band/hole...On Pontiac specific lifters the oiling band/ hole is higher up on the lifter body from the bottom of the lifter....On Chevy lifters the oiling band/hole is lower (closer to bottom of the lifter body)...And alot of after market suppliers send the dimensionally same Chevrolet lifters...Which is normally Not an issue... But with certain Pontiac specific Small Base Circle cam grinds...The oil band/oiling hole on the Chevy lifters will drop down below the bottom of the lifter bores on Pontiac engine blocks...Causing oil pressure/ lifter pump up issues...It is something to Pay Close Attention too...When installing your new lifters... TLBT Hope everything goes well with your epidermis issue...
  14. Was looking at the test/ adjustment procedure for the voltage regulator and requires a specialty combination volt meter/ ampere tester ...That would have been common in most shops 60 years ago...But today not so much...My dad had one...But I haven't personally seen it in at least 30 years...and was probably liquidated during the estate sale 20 years ago...That being said...If you happen know an old school mechanic who may still have one then you may be in luck...Anyway here is the procedure for testing/adjusting the generator/voltage regulator...Hope this is legible enough to read...As I have no other way than the camera on my phone... This particular manual is for a Buick... None of my Pontiac shop manuals go back far enough to cover cars with a generator and the voltage regulator adjustment procedure... For GM cars with an alternator (1963 forward) the external Voltage Regulator adjustment procedure is different and way less complicated... I'm 99% sure that the same Generator/Regulator adjustment Procedure...is universal across all the GM brands... Yes I managed to survive (just barely) My dinner date ...With a real girl ( even though she is partial MOPARs🤔) and will do it again within the next few days...
  15. Yes your voltage regulator is definitely adjustable...Kind of pressed for time at the moment...(have a dinner date with a real girl).. Will post up the adjustment Parameters/ Procedure within the next 24 hrs.... If you're interested... TLBT....
  16. The Voltage Regulator is Adjustable....(designed that way) Does your car have the standard voltage regulator or the transistor type regulator...Could be either one...Both types can be adjusted... Photo of regulator...???
  17. I'm sure that this will ruffle some feathers and get some hate...Polylocks on a basically stock valve train hydraulic lifter engine...Are not worth the effort or hassle....And there is No real advantage to using them...Unless you're running a Solid Roller or flat tappet cam... With roller rockers....
  18. First things first...Remove all the rockers...Once the rockers are out of the way...Use a precision Straight edge ruler that is long enough to reach all of the valve stems at the same time...Put the edge of the ruler across the top of all the valve stems...To make sure that they are all the same height....If the straight edge is not touching all the valve stems...Use a feeler guage Set at .002 between the straight edge and the valve stems to tell if any of the valves are lower than the others...If the feeler guage slips in between the straight edge and valve stems on a couple of the valves...That is an Excellent Indicator that the Valve Springs are Weak or a possible retainer and lock issue.... And not pulling the valves closed all the way tight as they should...Which has an adverse effect on the valve seat pressure....Not to mention all the other related issues associated with that including bent pushrods...If one or two of the valves are higher than all the rest of the them...That is an Excellent Indicator of substandard Machine work...(Usually the valve seats cut too deep)...Can and will cause the pushrods to bend/brake...Pay special attention to the valve heights on the cylinder where the pushrods were bent/broken... To properly set the Valve Lash/Lifter Preload...(hydraulic lifters) You can't just lock them down to 25 ft.lbs of torque... Install the Rockers/Pushrods Loosely/Finger tight...Using a Breaker bar...Slowly rotate the engine (clockwise) by hand...Don't try to bumb it with the starter...When the exhaust valve on the #1 cylinder opens half way...Stop there... ( intake lifter is on the base circle/heel of the cam) Once the exhaust valve is halfway open...Then you can set the lash/preload on the #1 Intake valve...The best way to find zero lash is to using two fingers gently move the pushrod up and down (rotating the push rod can/will give you a false zero on the valve lash)...While slowly tightening down the rocker nut... Just as soon as the slack/movement of the pushrod stops...That is zero lash...then tighten the rocker 1/4 of a turn... That should set the lifter preload to between .010 to .020....Measured from the bottom the the retainer in the lifter body to the top of the Pushrod cup... Once the preload is set on the intake valve...Rotate the engine (by hand) all the way around until the #1 Intake valve opens All the way...And then Closes Half Way...Stop at that point...Then repeat the sequence of of finding zero lash then tighten 1/4 turn...On the #1 Exhaust valve... Then do the same thing on the rest of the cylinders in order...1-8-4-3-6-5-7-2... Also while setting the valve lash look and make sure that the valve springs are not coil b inding...(Spring coils collapsing in on each other when the valves are fully open) If the cylinder heads were just resurfaced (usually around .010 to .015 maybe .020 If they have never been cut before...The pushrod length/geometry should not be an issue.... As far as the lifters go...Unless the liters are mushroomed or excessively worn...they are probably Ok...Sometimes if the hydraulic lifters don't appear to pump up like they're supposed to it could very well be some crap in the oiling holes/ on the inside of the lifter body...The hydraulic lifters are easily disassembled/reassembled order to thoroughly clean them out... Has been a long day.... Ya'll have good evening TLBT...
  19. Version 1.0.0

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    1965 Pontiac Rochester 2GC Carburetor Shop Manual
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  20. Vacuum dashpot...??? Are you referring to the vacuum brake on the front of the carburetor...??? Does the car have Air conditioning...?? If so...When the AC is turned on..The plunger extends...To adjust the idle speed to compensate for the drag of the AC Compressor...It can be adjusted by turning the plunger with the proper sized wrench on the hex head on the carburetor end of the plunger... Counter Clockwise will idle the engine faster...Clockwise will slow the engine down...Must be adjusted to the proper idle speed with the AC Compressor running... TLBT..
  21. Interesting find... Do you know what company did the coach work (body)...?? It is more than likely that it rides on a long wheelbase Pontiac commercial chassis (ambulance/hearse/airport taxi..etc) which can be substantially different than the standard Pontiac station wagons... Any detailed pics/specs...?? They would be helpful in determining what chassis/frame you actually have...Then can go from there...
  22. Y'all are welcome... I've always liked the Reatta's too...I think they're really cool cars...Wouldn't mind having one myself...Coupe/Convertable either one would be OK with me... The owner of the Solstice added the hood scoop to it...It also had the trunk lid from a Saturn Sky added to it because he liked the Saturn rear spoiler better than the Pontiac... Have been seeing a Northstar powered Cadillac Alante..Around the area here recently too....Will try to snag some pics of it...When/if I see it again....
  23. Attended the local Cruise in today....Besides me there were only two Pontiacs in attendance...Of course 97° temps 90% humidity really didn't help the turn out today... Have to recognize The Buick Reatta... Don't see them around much anymore...
  24. 14 to 15 inches of vacuum at idle is really not a problem...Do the Power brakes work OK. ?? Just for my own curiosity...What Are the cam specs @ .050... intake..duration -n- Lift.. Exhaust..duration -n- lift.. Lobe separation angle (LSA)...
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