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Old 07-07-2005, 08:40 PM
tay tay is offline
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Gaskets, Pumps, Thermostats, Plugs, Radiator

Thanks to all who have provided advice so far. I have completed the build of a 383, and now am removing the accessories from the 350 and putting them on the 383 for install.

My questions so far:

1. What temperature thermostat would you recommend?

2. Would you reuse the water pump which worked fine before?

3. What spark plugs would you recommend?

4. Do you think I should send the radiator to a shop for "rebuilding", or would you recommend an aftermarket radiator?

5. Any problem reusing fuel pump (mechanical)?

The car is a 1980 Z28 with automatic and AC. It will be used for occasional cruising. I am excited to keep moving on this now that I have started. It seems that all I do is remove parts, clean, prep, paint, etc., and I'm loving every single minute of it!

Thanks again for the past and future help.


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Old 07-07-2005, 08:47 PM
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1 If you use a temp gage. You may want to omit using a thermostat until after break in. The motor will be tight and run hotter. Otherwise use a 180 deg therm.

2 Yes use your old water pump.

3 Use the spark plug recommended by the manufacturer for your particular head.

4 See how hot you run before worrying about the rad. Overheating can sometimes be cured by simply buying a better fan.

5 I would opt for the Holley high volume mechanical pump.

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Old 07-08-2005, 06:23 AM
tay tay is offline
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Heads are GM fastburn 194's

Thanks for the info. The heads are GM fastburn 194's. I didn't ask the supplier the recommendations for these when I bought them. Live and learn, I guess. Any ideas from those who know these heads?

Thanks again,

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