How many teeth? Inine 250's - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Mt Man Chad · 07-26-2007, 10:02 AM

Did 67~68 Inline 250's come with 168 tooth flex plate? or 153?

71tahoe · 07-26-2007, 10:38 AM

I had 2 with manual transmission that had 168. I never had an automatic 6. From what I've seen and been told the starter with the bolts staggered should be for a 168 tooth. If the starter bolts are parallel with the flexplate it should be 153.

My buick v6 (I know, totally different) has 153 and the bolts are inline and parallel with the flexplate. The starter on my son's truck (350) has the bolts staggered and for a 168. I think the starter nose should bolt the same way to either the I6 or v8 chevy block but I did not get an automatic installed before I trashed (piston sized hole in the side) the I6.

2bits · 07-26-2007, 01:18 PM

I think the difference is if it came with a Powerglide or a 350/400 tranny... I had to change mine because I guess the tranny that was bolted to it was a powerglide because it was too small. I had to change the starter once I did that too...

07-26-2007, 10:02 AM	#1
Mt Man Chad Registered User Join Date: Oct 2006 Location: Oakridge Oregon Posts: 1,865	How many teeth? Inine 250's Did 67~68 Inline 250's come with 168 tooth flex plate? or 153? __________________ 68 CST SWB - Gold/White 50th anniversary /TH350/Buddy Buckets/3.73 Posi/dogdish caps. 68 K10 Burb - Gold/White 327/SM465/NP205/3.73 "Daa Burb" build thread

07-26-2007, 10:38 AM	#2
71tahoe Registered User Join Date: May 2006 Location: Jonesboro, AR Posts: 916	Re: How many teeth? Inine 250's I had 2 with manual transmission that had 168. I never had an automatic 6. From what I've seen and been told the starter with the bolts staggered should be for a 168 tooth. If the starter bolts are parallel with the flexplate it should be 153. My buick v6 (I know, totally different) has 153 and the bolts are inline and parallel with the flexplate. The starter on my son's truck (350) has the bolts staggered and for a 168. I think the starter nose should bolt the same way to either the I6 or v8 chevy block but I did not get an automatic installed before I trashed (piston sized hole in the side) the I6.

07-26-2007, 01:18 PM	#3
2bits Registered User Join Date: Jan 2006 Location: Dallas Posts: 504	Re: How many teeth? Inine 250's I think the difference is if it came with a Powerglide or a 350/400 tranny... I had to change mine because I guess the tranny that was bolted to it was a powerglide because it was too small. I had to change the starter once I did that too... __________________ _______________ Thomas '78 Silverado '74 Monte Carlo '47 Teardrop Trailer East Texas Classics Local Club



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