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#1
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Can you I.D. a Starter by it's Internals?
I posted previously about comparing starters for my Judge restoration believing the original starter was long gone. I believed this to be true since I could find no markings on the starter at all, a blank case.
So I picked up a date code correct 69 400 starter 1107355 for my project. Once I received the 355 starter I compared it to the one I removed from the car and found them to be 99.5% identical. The only difference was the large screws in the housing, The 355 had a straight head whereas the one I removed from my car were Phillip head. The one removed from my car has no I.D. markings at all its literally a blank case. But as I said above it matches up minus screws to the 355. Question - Can you I.D. this starter internally somehow? Why would it not be stamped, missed? I attached pics of the starter in question. Thanks |
The Following User Says Thank You to taf44667 For This Useful Post: | ||
#2
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Original starters have Delco-Remy USA and number with date code stamped.
Aftermarket starters have nothing stamped generally. Rebuilt original starters usually still have Original stamps. Sent from my Moto Z3 Play using Tapatalk
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#3
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Would of thought the aftermarket starters would of differed somewhat from the Delco Remy starter other than the mounting.
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#4
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Yours has one good thing (?)
It has the round grommet hole. Internally I thought the windings (more) and internals were better for torque etc. I looked at some SM's and saw something I never realized. This is from 1970 SM (couldn't find it in 1969 SM) Here is one from 1967 SM: (assume same for 1969) Now the 'strange' thing: 1970 Starter Specs: NO Shunt coils in the HD starters? From 1969 SM: Perhaps stellar can explain this?
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John Wallace - johnta1 Pontiac Power RULES !!! www.wallaceracing.com Winner of Top Class at Pontiac Nationals, 2004 Cordova Winner of Quick 16 At Ames 2004 Pontiac Tripower Nats KRE's MR-1 - 1st 5 second Pontiac block ever! "Every man has a right to his own opinion, but no man has a right to be wrong in his facts." "People demand freedom of speech to make up for the freedom of thought which they avoid." – Socrates |
#5
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Best as I can figure it would be a lower compression or a detuned engine in 70-71. A series starter will have max torque at initial start and loose torque as speed increases. The shunt starter will be capable of less speed but the torque will remain relatively stable with increased starter speed.
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#6
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Thanks!
I thought it was one way for more torque (couldn't remember which way). I figured they would leave it the same for the high performance starters, especially with same part numbers though. Back to taf44667 question, basically all the starters for Pontiac high performance will look the same with just different numbers. The 353 and your 355 have a round hole instead of a rectangular hole. (and the longer case of the high output starters which most Pontiacs use compared to chevy types)
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John Wallace - johnta1 Pontiac Power RULES !!! www.wallaceracing.com Winner of Top Class at Pontiac Nationals, 2004 Cordova Winner of Quick 16 At Ames 2004 Pontiac Tripower Nats KRE's MR-1 - 1st 5 second Pontiac block ever! "Every man has a right to his own opinion, but no man has a right to be wrong in his facts." "People demand freedom of speech to make up for the freedom of thought which they avoid." – Socrates |
#7
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I guess what I am asking is it possible that this unstamped starter pictured below could be a factory original starter just not stamped or is a Delco aftermarket. Hate to toss it on shelf without knowing what it actually is.
Thanks for all the help |
#8
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My opinion only, I'd say it's a factory starter?
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John Wallace - johnta1 Pontiac Power RULES !!! www.wallaceracing.com Winner of Top Class at Pontiac Nationals, 2004 Cordova Winner of Quick 16 At Ames 2004 Pontiac Tripower Nats KRE's MR-1 - 1st 5 second Pontiac block ever! "Every man has a right to his own opinion, but no man has a right to be wrong in his facts." "People demand freedom of speech to make up for the freedom of thought which they avoid." – Socrates |
#9
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Sure it is possible, but not very likely. I have a Starter with the Delco Remy stamp with no numbers. Sometimes you can tell by seeing the brushes springs and the armature and field windings, but those internals were not pictured.
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#10
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!st and 2nd pics look OE. Can't tell much from 3rd pic. Numbers for it may be on the other side. A Chevy or Buick would have numbers on the side shown in the pic. Show us the internals.
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#11
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No stampings - Here are pics from around case, I checked with magnifying glass no stamps at all...
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#12
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Internals...
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#13
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more...
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#14
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The armature and fields look OE. May be an unstamped Delco Worth keeping.
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#15
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All my Hi-TQ starters have had the same Wiring, same internal rotor diameter, including my unstamped Starter (original GM for sure). I find this Thread interesting and will need time to investigate those prints.
Low-TQ Starters have been purged; showed differing rotor diameters, and case field wiring. |
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