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Old 03-30-2012, 10:55 AM
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84 vette starter problem

I installed new flexplate and new starter, in the photo it looks like the
starter gear is not going all the way on flexplate gear, is this ok because
I don't know what else to do. Thanks saltbob
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Old 03-31-2012, 06:51 PM
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Looks absolutely normal to me. I have a high-torque mini starter and the bendix gear is only supposed to engage ~50% onto the ring gear, just like yours looks
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Old 03-31-2012, 10:31 PM
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84 vette

you may be right, but this photo of old flexplate is what made me think
it was the distance from starter gear to flexplate, maybe starter shims
were wrong or bad starter, this is the 3rd new starter. Im thinking about
checking with a local machine shop to mill end of shaft where flexplate
bolts. Thsnks for input ill think about. saltbob
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Old 04-01-2012, 05:30 AM
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Quote:
Originally Posted by saltbob
you may be right, but this photo of old flexplate is what made me think
it was the distance from starter gear to flexplate, maybe starter shims
were wrong or bad starter, this is the 3rd new starter. Im thinking about
checking with a local machine shop to mill end of shaft where flexplate
bolts. Thsnks for input ill think about. saltbob
If the starter hasn't been shimmed, or has been shimmed incorrectly, it can damage the ring gear like you've experienced. You need to install the starter and shim it. Do not go machiningthe end of the crank as you will screw the engine balance. Depth of bendix engagement fore/aft is fine, you just need to shim it up using a paperclip to obtain the proper clearance for the depth of engagement between the bendix and ring gear.
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Old 04-01-2012, 11:52 AM
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84 vette

Thanks I will take your advice, I was worried something will go wrong after
its back in car. Nothing against Mexico but torn up flexplate was made in
Mexico and was only welded on one side of flexplate the new one is made
USA and welded both sides. I'll will go with it as is Thanks again!
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Old 04-05-2012, 07:31 PM
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With the torn teeth on the flexplate, that damage can be caused by the starter moving about. Ensure that you're using REAL starter bolts which have enough purchase into the block. The cross-hatched portion of the starter bolt needs to register into the short machined diameter of the bolt hole in the block.
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Old 04-05-2012, 08:57 PM
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84 vette

Thanks I didnt think about that I have both kind of bolts I will pull starter
and see which kind I put on.
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Old 04-05-2012, 09:34 PM
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84 vette

Thanks I have not thought of that Ive had bolts with and without the cross
hatch pattern so Ill check and see what thought the starter gear was to
for away from flexplate but was 2.5 MM so its ok it still 0nly goes half-way
on flexplate but I understand that is normal
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Old 04-18-2012, 04:44 PM
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does that starter have a starter brace on it? It's about a 4 or 5 inch piece of what looks like small bent angle iron. One end bolts on the end of the starter and the other end bolts to a hole in the block just below the head. you can align your starter 50 times but it won't stay aligned without this brace if its supposed to have one.I also make a sheet metal strip with drilled holes at the spacing of the starter bolts.I leave tabs on each end so when the starter is correctly shimmed and tightened the tabs get tapped a hammer and drift up solid against the head of each starter bolt.This locks the bolt in its position.
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Old 05-18-2012, 09:44 PM
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Is that a "CHINA" starter?
Grab one from a 96+ 350 with a gear reduction.
If you were closer, I'd give ya another flexplate.

That's what I'm doing on my 283

E

EDIT.. OK, looking at it again. You get the right bolt holes of for the smaller flexplate?

E

Last edited by 77amc; 05-18-2012 at 10:00 PM.
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Old 05-19-2012, 09:08 AM
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been there

Hi saltbob


From the pic I see.NO this is not correct.Full engadgement required for correct performance.But I do not think you have the gear all the way out.The solinoid first pulls the gear to the point which have shown and then it hits the contacks and the starter turns.At that point the gear moves out 1/4" more.I think you need to pull harder on the gear to get it all the way out.Here are 2 tests.First remove solinoid and check stroke.There should be full gear contack.If not starter is no good to your app.Test 2 pull the spark plugs and run the starter wile looking at the engement.This kind of stuff happens with some non chevy parts.Those tests were for stroke you must also ck backlash and like one guy told you make sure all braces are in place they are important.

2x4`s

Last edited by 2x4 Barrels; 05-19-2012 at 09:29 AM.
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Old 05-19-2012, 10:11 AM
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84 vette

,
Quote:
Originally Posted by 77amc
Is that a "CHINA" starter?
Grab one from a 96+ 350 with a gear reduction.
If you were closer, I'd give ya another flexplate.

That's what I'm doing on my 283

E

EDIT.. OK, looking at it again. You get the right bolt holes of for the smaller flexplate?

E
Thanks for info I went ahead and put starter on and it seems to be working
OK one person said his starter gear only goes half way that it was normal
but I will check like you said I now have a new flexplate welded both sides
made in USA the old one was made in Mexico and only welded on one side.
The transmission will be installed at shop next week its a th 350 and when
I got the car it was a was a mess, one pan bolt holding shifter and one long
bolt holding the back of transmission to long drive shaft bar. Do you happen
to own a vette. Thanks again saltbob
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Old 05-19-2012, 08:23 PM
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Weather it's made in Mexico or China it's according to the US manufacturer..!! That's what they Just FORGET TO tell ya.
They just do what the get paid to do.. You know, for 3-5$/week
That's the main focus of NAFTA.. The American manufacturers make it the CHEAPEST way so they can screw the employees and then the consumer by over pricing the item.

ANYWHO, The way the flexplate is stamped with the 'sharp' edge AWAY from the motor and toward the trans. (feel the hole for the crank flange..)
This edge is the one that goes around the crank flange.
If it were the other way around, it wouldn't give the right tolerance when fixed to the crank.

OR, you can say the 3 places that bolt to the torque converter are embossed/recessed toward the trans NOT the engine.
If it's a used one, look for the tightening marks from the bolt head, and if it's new, look for the embossing.

NOW, getting to the starter. Get a stock, ol GM starter and try it out. You say that is 'working OK'.. BUT have you gotten under the car/vehicle while it's started? Does it engage properly or has it just ground itself to the point that it grabs and finally turns it over?

E
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Old 05-19-2012, 10:35 PM
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Quote:
Originally Posted by 77amc
Is that a "CHINA" starter?
Grab one from a 96+ 350 with a gear reduction.
Would you mind supplying an OEM part number for that starter?
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Old 05-19-2012, 10:56 PM
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84 vette

Will do as soon as I can I have a chain holding back of engine up for trip
to trans shop on Monday
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