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By Skyliner57 - Last Year
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I have a 56 Victoria, serial number would indicate a 312. I cannot get the idle to 400-500 and still have the car run decent. So, when the car runs correctly and I move the gear shift into reverse it slams. One mechanic suggested that I have the tranny looked at. A good shop said the tranny is fine, Just idles too fast. I have the PCV line reduced to 3/16 and venting into the air cleaner. I have Holley 4170---is it too big. I have read some forum's that hint at that. Help=Please. Harold
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By Ted - Last Year
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What is your idle rpm? Stock camshaft? How many miles on the engine? What ignition system? L-O-M or ’57 and later model? Where is the initial ignition timing set at? Have you tried it with the PCV valve disconnected? Is the distributor vacuum hooked up to the ported or direct vacuum port on the carburetor?
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By Skyliner57 - Last Year
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Thanks Ted, will follow up on all most of your questions and put on Forum.Harold
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By KULTULZ - Last Year
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One thing to consider if it is a 56 V8 and has a H4150/4160 retrofit (ECZ-A or ECZ-B intake?), and if AT (FOM), is the carb throttle linkage has to be adjusted with the TV linkage disconnected and once proper curb idle is established adjust the TV linkage from there.
Possibly use a VACUUM GAUGE to determine if any vacuum leaks. Is the DIST USED A LOAD-O-MATIC or 1957/ DUAL ADVANCE?
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By Skyliner57 - Last Week
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I am back on this problem of the trans slamming in reverse from idle. It does not do this from a forward gear. I have decided I would like to pull the tranny without pulling the motor. I know this is not the correct way, but everything regarding the motor is fine.So-is there a step by step procedure for pulling the motor from a 56 Victoria? My ability and knowledge is marginal. Enthusiam is high. Thanks. Harold
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By KULTULZ - Last Week
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It is still slamming when put into reverse?
What is your RPM while in gear (need tach)?
Have you checked the trans mount, u-joints and watched for pinion wrap-up?
You shouldn't have to pull the engine/trans, just the trans.
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By Skyliner57 - Last Week
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Thanks for getting back to me. Yes, still slams. 500 RPM, the car has a tach.Are you suggesting that I get the For Manual? Have you used it? Thanks.
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By KULTULZ - Last Week
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You need the correct year WSM to do all you want to do (IMO).
I have used them since 1966.
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By paul2748 - 2 days ago
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Does it slam the most when you start it cold and the choke is set and backing out of the garage? How is it when the engine is fully warmed up? Could be that the higher RPM is causing it.r . Doesn't sound like a trans problem to me. Otherwise, does the trans work OK ?
Skyliner57 (4/10/2026)
Thanks for getting back to me. Yes, still slams. 500 RPM, the car has a tach.Are you suggesting that I get the For Manual? Have you used it? Thanks.
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By oldcarmark - 2 days ago
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The PCV should not be vented into Air Cleaner. Preferred place is the Carburetor if equipped for PCV or spacer Plate under Carb. PCV is supposed to take Fumes from Engie and re-burn through Intake-NOT the Air Cleaner. Hooked up to Air Cleaner is sucking in Air like a big Vacuum leak. Air Cleaner could be hooked up to Oil Fill Cap to introduce filtered Air into Crankcase for a closed PCV System. Likely why it won't Idle properly..
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By KULTULZ - 2 days ago
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 Is this a basically stock engine and if not what modifications? It will not idle @ 475-500 RPM in DR?
You need to get the engine in proper tune (if stock) to ensure correct engagement. This car also has a throttle-valve controlled trans (if not modified) that depends on correct accelerator linkage adjustments. You need a manifold vacuum gauge at the least to begin analyzing.
Again, engine and trans mounts food, u-joints and ant pinion wrap-up?
All of this must be done before pulling the trans ($$$).
Any chance of engine shots to see what you have? |
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By Skyliner57 - Yesterday
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Has anyone djusted the linkage, speciacally the linkage that has the u Bolt?
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By Skyliner57 - Yesterday
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Adjusted
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By Skyliner57 - Yesterday
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All the replies have been very welcome.
Just to try to explain this better, which I am not good at?
I have a tach in the car, the idle is down to 500 after starting and before shifting into reverse.
The car shifts well going forward, shifts very smoothly at 2000.
The car does not slam after sitting when I shift into Drive.
It only shifts-slams (always) when shifting into reverse,
Is there a chance the linkage between the gear shift handle in the car and the control going into the transmission is not adjusted correctly.
Might it not be totally engaging thus the slam.
My other Y block car is a 57 see my Profile. shifts very smoothly into reverse.
thanks again for all the help. Harold
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By KULTULZ - Yesterday
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Maybe this will help - https://forums.fordthunderbirdforum.com/threads/1957-automatic-reverse-clunking.18317/
HIGH IDLE
ENGINE/TRANS MOUNTS
U-JOINT(s) - YOKE - REAR FLANGE
PINION GEAR WRAP-UP
Further explanations in attached post.
As for throttle adjustments, there are three, pedal height, carb linkage and finally TV linkage which cannot be adjusted correctly before the first two.
All linkages/bushings must be good.
How long has it been since serviced with bands adjustments? Fluid service?
Finding someone now who you can trust to work on one is a long shot.
You need a WSM (and TRANS MANUAL) to go about it properly.
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