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#1
08-28-2019, 11:22 PM
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rebuilt 389
Ideas on what a supposedly rebuilt 1964 389 would be worth. Basically stock rebuild of 303 hp engine with over bore and mild (?) cam. Has about 3000 miles. I have no idea of the quality of the rebuild but it runs good. I know it can be a crap shoot.
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#2
08-29-2019, 04:00 AM
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Less than the price of parts and machining.
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#3
08-29-2019, 05:43 AM
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Besides the miles on it how long ago was the rebuilding of it done?
__________________
Wernher Von Braun warned before his retirement from NASA back in 1972, that the next world war would be against the ETs! And he was not talking about 1/8 or 1/4 mile ETs! 1) 1940s 100% silver 4 cup tea server set. Two dry rotted 14 x 10 Micky Thompson slicks. 1) un-mailed in gift coupon from a 1972 box of corn flakes. Two pairs of brown leather flip flops, never seen more then 2 mph. Education is what your left with once you forget things! |
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#4
08-30-2019, 12:25 AM
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It was done just over a year ago. Driven part of 2 summers.
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#5
08-30-2019, 05:57 AM
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Being a 303 hp motor then it should have a valve train ( Heads ) that oil's thru the push Rods I believe.
Is a MT motor with a flywheel?
__________________
Wernher Von Braun warned before his retirement from NASA back in 1972, that the next world war would be against the ETs! And he was not talking about 1/8 or 1/4 mile ETs! 1) 1940s 100% silver 4 cup tea server set. Two dry rotted 14 x 10 Micky Thompson slicks. 1) un-mailed in gift coupon from a 1972 box of corn flakes. Two pairs of brown leather flip flops, never seen more then 2 mph. Education is what your left with once you forget things! |
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#6
08-30-2019, 07:35 AM
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Frankly this is one of my favorite motors... They make excellent street motors with the 068 cam.. With the 1964 heads, I used to hammer a freeze plug into the exhaust crossovers and cut the exhaust crossover off the stock 4 bbl. AFB intake.. They like a lot of initial timing. I used to run the initial up till it wouldn't start then back off 4 degrees, then add what's left to the mechanical to achieve 36 total. I never liked the vacuum advance and didn't need it with the hi initial setting..
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#7
08-30-2019, 09:56 AM
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If it has 716 heads(GTO)it has pushrod oiling.Tom
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#8
08-30-2019, 02:56 PM
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It oils thru the rocker studs, It is not a GTO engine but it is manual 3 speed trans engine.
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#9
08-30-2019, 11:47 PM
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Come on. Doesn't anyone have an idea what it might be worth? Just tell me what you would pay if you needed one.
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#10
08-31-2019, 02:14 AM
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$500.
Since you really don’t have any solid information or receipts proving what machine work or parts went into the build you won’t get much for it. With documentation you might get more for it. Being a ‘64 engine makes it a bit of a hard sell, you really need to find a buyer with a ‘64 or earlier car that needs one. Any used engine is hard to get any kind decent return on the money and time invested no matter what it is with the exception of rare performance engines.
__________________
1964 Tempest Coupe LS3/4L70E/3.42 1964 Le Mans Convertible 421 HO/TH350/2.56 2002 WS6 Convertible LS1/4L60E/3.23 |
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#11
08-31-2019, 04:52 AM
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Pontiac engines are scarce around here. If you can demonstrate that it runs. Doesn’t tick,knock,rattle etc I’d say a grand
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468/TKO600 Ford thru bolt equipped 64 Tempest Custom. Custom Nocturne Blue with black interior. |
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#12
08-31-2019, 08:25 AM
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I sold a good one but it was all apart for $300...
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#13
08-31-2019, 10:02 AM
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I sold a 428 from a 68 for 850. It was setting so the cylinders were getting rusty, but guy who bought it built it and said all was good.I am certain he bored it .020 or.030
The 64 389 may or may not have block mounted starter holes. That would be a deal breaker for me.I would not have a use for it. but a 389 block with starter holes on the block, if complete providing it turns over could be 250- 1000 depending on who needs it , numbers matching, rareity of pontiac engines in your area etc etc etc I bought my 389 for 400 bucks.It was rough in one cylinder. Cleaned up at 4.120. Balanced crank accordingly. Runs excellent. The 65 blocks seem to have a lot of meat at the cylinders.Overbore that much does not seem to be a problem. I am not gentle on the throttle either. I did not build it to be a trailer queen. It gets driven. Beenin paint shop for a while this summer. |
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#14
08-31-2019, 11:35 AM
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Quote:
My 64 Bonneville did. It was a 4 Bbl 389, nothing special...
__________________
1977 Black Trans Am 180 HP Auto, essentially base model T/A. I'm the original owner, purchased May 7, 1977. Shut it off Shut it off Buddy, I just shut your Prius down... 
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#15
08-31-2019, 11:40 AM
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Im with Bart on the $500.The intake,and heads have little value.Tom
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#16
08-31-2019, 06:25 PM
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Quote:
Chamber size on those old heads is way too small. Square bore intakes....Meh |
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#17
08-31-2019, 11:26 PM
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Quote:
__________________
1964 Tempest Coupe LS3/4L70E/3.42 1964 Le Mans Convertible 421 HO/TH350/2.56 2002 WS6 Convertible LS1/4L60E/3.23 |
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#18
09-01-2019, 10:23 AM
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Yes, all '64 blocks had the starter mounted on the engine.. Anything earlier, including the 421's have the starter mounted on the bellhousing.
__________________
BONESTOCK GOATS '64 GTO Tripower Hardtop (Wife's Car) '64 GTO Tripower Post Coupe (My Car) '99 Bonneville SE Sedan |
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#19
09-01-2019, 08:20 PM
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Goatracer, you potentially buying or selling this??? Just wondering...
__________________
1977 Black Trans Am 180 HP Auto, essentially base model T/A. I'm the original owner, purchased May 7, 1977. Shut it off Shut it off Buddy, I just shut your Prius down...
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#20
09-01-2019, 09:32 PM
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Some 64 389 blocks did not have bolt holes in the ears for a starter
The ears were not even big enough to be machined for a starter mount. https://butlerperformance.com/i-2445...i-p010004.html 64 was a year that the new style mounting was used, but pontiac used up what they had in the big cars, with the rotohydramatic Gotta watch when buying a 64 block. |
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