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#1 |
Registered User
Join Date: Mar 2010
Location: St Charles MO
Posts: 481
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engine help
OK I have a donor engine sitting in the garage.
It is a 1987 305TPI and I would like to install it in my 1964. I am going the carb route. I have already ordered a Edelbrock 2104 intake. I would like to bump up the performance slightly. What can I do? |
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#2 |
Moderator
![]() Join Date: Dec 2012
Location: ON, Canada
Posts: 2,158
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Re: engine help
Use a 94-96 LT1 B/D body cam (Caprice/Fleetwood/SS/Roadmaster). You'll get a used one for almost free from one of that crowd, we swap them out all the time. A perfect torque low rev cam that is really small (but a bump from the TPI cam). Go with 1.6 roller rockers and good springs. Headers, of course.
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#3 |
60-66 Nut
![]() ![]() Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,247
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Re: engine help
A couple of other low cost options for a factory roller cam upgrade would be the stock L31 Vortec cam (Not a huge upgrade but can probably get one for free) and the Ram Jet 350/HT383 cam.
https://www.summitracing.com/parts/nal-14097395
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#4 |
Registered User
Join Date: Mar 2010
Location: St Charles MO
Posts: 481
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Re: engine help
I decided to buy Summit Racing Vortec heads and Edelbrock 2116 manifold.
I will build on these items later. Thanks all for your advice. |
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#5 |
Registered User
Join Date: Mar 2010
Location: St Charles MO
Posts: 481
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Re: engine help
What would help now is carb and camshaft help.
What options do I have? |
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#6 |
60-66 Nut
![]() ![]() Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,247
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Re: engine help
Those heads will lower your compression, which is not going to help performance. For a carb, 500cfm will be enough for a 305, but you can run a 600. As for a camshaft, I already posted a couple of options as well as what jayoldschool suggested. Anything else is going to coat $250-$350.
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#7 | |
Registered User
Join Date: Mar 2010
Location: St Charles MO
Posts: 481
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Re: engine help
Quote:
I first had the VIN number from the donor truck. This block changes everything. |
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#8 |
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Join Date: Aug 2009
Location: Bowser
Posts: 13,604
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Re: engine help
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#9 |
Registered User
Join Date: Mar 2010
Location: St Charles MO
Posts: 481
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Re: engine help
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#10 |
60-66 Nut
![]() ![]() Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,247
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Re: engine help
In light of that, the Vortec heads will be fine and I would recommend the 14097395 cam. If it is in the budget I would go with 1.6 rockers. The pushrod holes in the heads may need to be enlarged for the 1.6 rockers.
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#11 |
Moderator
![]() Join Date: Dec 2012
Location: ON, Canada
Posts: 2,158
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Re: engine help
You can probably buy a good running complete Vortec engine for the price of new Vortec heads.
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#12 | |
Registered User
Join Date: Mar 2010
Location: St Charles MO
Posts: 481
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Re: engine help
Quote:
Now comes the interesting part. I disassemble the block to find out it has a flat tappet cam and lifters. Apparently, for a short run some 880 blocks were set-up like this. The good news is that the block can accept a roller set up. my question is should I go forward with a roller set up or stay with my new discovery of flat tappet set - up? |
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#13 |
60-66 Nut
![]() ![]() Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,247
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Re: engine help
Since your block is machined to accept the factory roller cam components, I would definitely go with the roller cam.
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#14 | |
Registered User
Join Date: Mar 2018
Location: Kuna, Idaho
Posts: 117
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Re: engine help
Quote:
Dan
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Forgive my typos, big fingers and little Android digital keyboard....what a mess ![]() 06 GMC Sierra crew cab Z71 DD leveling kit, 34's, bumper, LED lighting. Still doing stuff to it. 67 El Camino Custom 300 Deluxe. In progress. 55 GMC 371 2 1/2 ton. Upcoming project. |
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#15 |
Registered User
Join Date: Mar 2010
Location: St Charles MO
Posts: 481
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Re: engine help
Yes that is what direction I wanted to take.
The flat tappet set up gave me one of those WTF moments. LOL So forward I go! |
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