# starter shimming **URL:** \ **Category:** PittSpeed Automotive\ **Created:** [April 5, 2007, 6:03pm UTC](https://forums.speedlife.net/t/starter-shimming/189064 "2007-04-05T18:03:24Z")\ **Posts on this page:** 1\ **Showing post:** 15
**Author:** ![Bravada\_442](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/bravada_442/32/5982_2.png) [@Bravada\_442](https://forums.speedlife.net/u/Bravada_442)\ **Post date:** [April 6, 2007, 3:19pm UTC](https://forums.speedlife.net/t/starter-shimming/189064/15 "2007-04-06T15:19:28Z")
> [@2:1 in the Buick T-Type](https://forums.speedlife.net/t/2-1-in-the-buick-t-type/29243/10): > > not true at all > > 168 tooth were used mostly in heavy duty applications. usually trucks or anything with a t400 trans. most times t350’s had 153tooth, but not always. i have seen big blocks with both, as well as 305s with both. my 454ss was 168 tooth when stock, but with the T56, i have to run a 153 (168 won’t fit in the bellhousing). i also use a 4.3 blazer mini starter (gear reduction) and have had no issues for 6-7 years. I stand corrected. I’m just hoping that whatever tooth I had on my 350 in my blazer will fit my LT1. ❌ --- _[View the full topic](https://forums.speedlife.net/t/starter-shimming/189064)._