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305 TBI to 350 TBI (87 corvette)

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Old Feb 15, 2016 | 04:59 PM
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ezbyrd's Avatar
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From: TX
Car: Chevy Caprice
Engine: 350 TBI
Transmission: 700r4
Axle/Gears: 4/10
305 TBI to 350 TBI (87 corvette)

Hello Chevy lovers!

I have a few questions about an engine swap that was done on my car about 8 years ago. I went from the factory 305 tbi to a 350 tbi out of an 87 vette. First question is about a mini starter. I just purchased one and even with it shimmed the teeth engage too much of the flywheel. What can I do about that? 2nd, when I order parts for the motor such as water pump, radiator etc...should I order by vehicle type, or should I be using the 1987 vette specs when Im at places like autozone, Napa, summit etc? Thanks. Engine is in a 1989 caprice classic.
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Old Feb 17, 2016 | 05:39 PM
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jmd
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From: Aridzona
Car: `86 SS / `87 SS
Engine: L69 w/ TPI on top / 305 4bbl
Transmission: `95 T56 \ `88 200-4R
Re: 305 TBI to 350 TBI (87 corvette)

The 88-92 V8 F-body front engine accessory drive was largely the same as the 88-93 Caprice. It would be logical for those parts to have been kept and used on your replacement engine. I attached a picture of these accessories from an early 90s Chevrolet.

All small blocks are drilled for a big flywheel starter pattern. In the 80s, all the small blocks were also drilled for the small flywheel starter bolt pattern. If your flywheel is 153 tooth / 12 & 3/4", the starter will have 2 bolts of different length, perpendicular to the crank. If it's 168 / 14", the starter will have 2 equal length bolts in a diagonal bolt pattern.

Lacking pictures or other info about what you bought for a starter, I'll just say the LT1 mini-starter is a good option for the 153t wheel, and the truck stater from approximately 1997 is a good option for the 168t wheel.
Attached Thumbnails 305 TBI to 350 TBI (87 corvette)-p1010103.jpg  
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Old Feb 17, 2016 | 06:38 PM
  #3  
ezbyrd's Avatar
Thread Starter
Junior Member
 
Joined: Feb 2016
Posts: 2
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From: TX
Car: Chevy Caprice
Engine: 350 TBI
Transmission: 700r4
Axle/Gears: 4/10
Re: 305 TBI to 350 TBI (87 corvette)

Originally Posted by jmd
The 88-92 V8 F-body front engine accessory drive was largely the same as the 88-93 Caprice. It would be logical for those parts to have been kept and used on your replacement engine. I attached a picture of these accessories from an early 90s Chevrolet.

All small blocks are drilled for a big flywheel starter pattern. In the 80s, all the small blocks were also drilled for the small flywheel starter bolt pattern. If your flywheel is 153 tooth / 12 & 3/4", the starter will have 2 bolts of different length, perpendicular to the crank. If it's 168 / 14", the starter will have 2 equal length bolts in a diagonal bolt pattern.

Lacking pictures or other info about what you bought for a starter, I'll just say the LT1 mini-starter is a good option for the 153t wheel, and the truck stater from approximately 1997 is a good option for the 168t wheel.

Thanks for the input, I did use the same parts from the front, but bought a new flywheel since the old one was cracked.

Here is the link to the starter that I bought with a detailed description
http://vi.raptor.ebaydesc.com/ws/eBayISAPI.dll?ViewItemDescV4&item=371037133336&category=33578&pm=1&ds=0&t=1455755776323
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