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Old 09-27-2005, 12:12 PM
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chevy block question

i have a question that im hopeing that someone can answer regarding
my chevy 350 block .
1st was there a chevy 4 bolt main 350 block that was made in canada ?
if so how can i identify it ?
i was told that there were blocks made there and that i could
possibly have one ,and that with these blocks the U.S.manufactured
starters were different than the starters made for this block in
canada .
i have been having trouble getting starters to work with this block
and in a discussion with an aquaintance was told that he had
experienced the same problem and that he found out somehow that he
had a canadian made block and that he had to use the starter that
had come with his motor for it to work without breaking the starter
nose off, (which is the problem i am having)
the block that i have is the 3970010 GM 22 (located on the right
rear quarter looking from the front to the back) and on the back of
the block i found the following - 1120WR
509
010
020
I dont know if the person telling me about his block was right or
wrong and that is why i am posting my question here where i know
that i would be told correctly.
your help will be very much appreciated
Thank You

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Old 09-27-2005, 01:01 PM
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yes there was 4 bolt main blocks made in canada. first of all you need the serial number off the front...located in front of the right hand cylenderhead. it will tell you there if it is canadian. second i have never heard of differnt starters between canada and us but there are 7 different type of starters for smallblock chevys. i have a canadian 4 bolt but using american starter....i would check and see if the bolt holes are in good shape or check flywheel for straightness.
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Old 09-27-2005, 02:08 PM
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Had the same problem with a 383 stroker that the starter would not engage proper and some how the "nose" got cracked still don't know what caused it. When we got the new one we had to shim it out proper. Don't remember the proper clearance, but a pack of 4 shims only cost a couple of bucks and only needed 2. so i would try shimming it.

Good luck
John
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Old 09-27-2005, 02:14 PM
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350 chevy block

ok heres the #,s from the right front just below the head ,,V1 105TYZ ,,,
flywheel/flexplate has been changed 3 times, starter bolt holes seem to be fine,i have a new crank and bearings installed , i have tried every listed starter for this block as well and tried different configurations of starter shims too.
also the starters that have failed on this block work just fine on my 350/360 4 bolt main block.
so its beyond my knoweledge as to what the problem is, and i am a bit hesitant to put this motor back in my car.
i have been trying to solve this problem for some time now without any luck.
Thank You Sir for your reply.

Joe
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Old 09-27-2005, 02:45 PM
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Flex plate

Doc here,

So what flex plate are you using now? 153 tooth or 168? You need to match the starter in oder to make it play with the ring gear.

Doc
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Old 09-27-2005, 02:59 PM
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350 chevy block

Hi Doc,
its the 168 tooth flexplate im sure ,, and the correct starter for that flexplate .


Thank You Sir,

Joe

Last edited by joesnova2; 09-27-2005 at 03:03 PM. Reason: forgot to include part of my reply
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Old 09-27-2005, 03:58 PM
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Hardware

Doc here,

Well, a couple of things come to mind..

Are you using the stock mounting hardware (bolts) on an aftermarket Starter?

This can cause alignment problems if the bolts or holes are over-bored or undersized(starter movement side to side) And can hang a starter..

You might try New Hardware (and check it for almost zero clearance through the starter holes) And / Or if it does not have one already, a rear starter mount ....

What I have done in the past to get them to align..and a purest will tell you this is ridiculous..however it worked for me...several times...

mount the starter, tighten the bolts only slightly tighter than hand tight, tight enough to hold, but allow a bit of movement when the starter torques up..

try to start and repeat until it does..then start / stop it a few times, and go back and torque the starter bolts tight..should work for you..anyway it's something to try..

And I know this is basic, and may sound like I doubt your skill (which I don't..) But is the flex plate installed on the crank WITH the right direction up?....Hey..I've done tune ups and the car wouldn't start and troubleshot it for a few hours ... only to find the rotor sitting on the fenderwell..It happens!

dOC
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Old 09-27-2005, 05:19 PM
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350 chevy block

At this point i,ll try about anything to get this to work.
but my original question is still unclear to me , with the block #,s i have posted is this an american or canadian block ?
going by what i have found on Mortec i,m thinking that it is an american block made in Flint Michigan .
Thank You Doc for all your suggestions .

Joe
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Old 09-27-2005, 06:03 PM
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Canada Blocks

Doc here,

Yours is NOT a Canadian Block..

Quote from Mortec:
Quote:
The motors built in the McKinnon factory in Canada will have a "K" indicating the engine assembly plant.
To Study more on it, Go here:

http://www.mortec.com/locatpg2.htm

Your engine was assembled in Flint Mich, as Denoted By the "V" in the Vin Code..

Doc
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Old 09-27-2005, 06:14 PM
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350 chevy block

Thats what i thought it was but unsure of, thanks for clarifying it for me ,
at least now i know more of what i have .
You all have been very helpful and it is very much apreciated .
Thank You very much


Joe
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Old 09-29-2005, 08:16 AM
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Hope this might help some for ya--my references show this engine was factory installed in 75/77 conventional cab C-10/2500 pickups. It is designated as Vin. L LS9 350 w/165 horse w/ 4bbl. I agree with Doc that its an alignment problem, and you HAVE to use the factory type knurled shank bolts!!
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Old 04-17-2007, 10:01 PM
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This is a common problem using aftermarket starters such as napa or autozone. Buy a delco starter take the solenoid off and work the plunger and ck drive gear engagement
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Old 04-17-2007, 11:08 PM
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I agree it sounds like an alignment issue. Many of the parts store starters have fitment problems and the cast aluminum noses are very brittle.

You could try one of these. http://store.summitracing.com/partde...3&autoview=sku

Will fit nearly all SBC block\flex plate combinations and thick billet aluminum mount.

Not really that expensive considering all of the problems you've been having.

And best of all your car will sound like old MOPAR when the starter is cranking!!
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Old 04-17-2007, 11:12 PM
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Doc here,

Be advised..

This is a two year old post...

Wonder if he found the Fix.

Doc
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Old 04-17-2007, 11:19 PM
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Quote:
Originally Posted by docvette
Doc here,

Be advised..

This is a two year old post...

Wonder if he found the Fix.

Doc
Um, I knew that.......
I was just trying to get my post count up.. Ya that's what it was..See look here I go again..
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