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Old 09-10-2012, 01:05 AM   #4
Captainfab
60-66 Nut

 
Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,254
Re: 87-88 Chevy 305 in to a 66 Truck with stock trans, Have some questions

Quote:
Originally Posted by rct1969 View Post
I am gathering the parts that I need to put a 305 chevy into my 66 c-10 with the maual SM420 trans. I Have a few questions/concerns with my swap.
I will be using either a 87 305 with a carb, or a 88 305 TBI both from Camaro's. Trying to keep this budget friendly as this is technically my parts truck(thats what the wife thinks). Just looking to build a driver as a backup truck.

1.) The first being the Fly wheel. Do I use one from the year of the engine, or the year of the trans or just after market? any suggestions? Crank bolt pattern different?
You will need a 14" (168 tooth)flywheel for a '86 and up small block with a one piece rear main seal , that will accomodate the clutch you intend to use.

Quote:
Originally Posted by rct1969 View Post
2.) From what I understand I will need to use the older mounts(pre '73) from a V8.
You can use the same motor mounts and brackets that are currently in your truck. Unless it had a 292 I6


Quote:
Originally Posted by rct1969 View Post
3.) will the Bell housing mounted starter still work?
I will see if the stock camaro exhaust manifolds will work, if not I will use headers.
Yes you can use the original bellhousing and starter. I doubt the Camaro exhaust manifolds will work with the manual trans. You can use either the original rams hors manifolds or a set of headers. If you go with the EFI you will need to accomodate an O2 sensor in the exhaust as colse as possible to the head. I would think that the '88 Camaro 305 would have a TPI, instead of a TBI?

Quote:
Originally Posted by rct1969 View Post
4.) clutch? what to use for the swap?
Use a clutch that is for your year of truck with a SM420. That will be a common 11" clutch with a 10 spline hub.

Quote:
Originally Posted by rct1969 View Post
Radiator will be one from a 283, and if it is no good, I might use a universal aluminum.
anything else that I should consider or ponder?

Thanks in advance for your your help and input.
If you do go with the EFI you will also need to supply a VSS (vehicle speed sensor) signal to the ECM for proper operation of the engine. This can be added onto your speedo connection on the SM420. If I had a choce and both engines being the same condition, I would go with the EFI.
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