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Author Topic: Detonation worries  (Read 5000 times)

Offline BULLDOG

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Detonation worries
« on: September 04, 2011, 02:53:05 pm »
Where doing a head and cam swap on a 350 for the 83 K20.
Where going to use some ZZ4 heads with 58 cc chambers the piston to deck clearance is .024 the pistons have a 12 cc dish and where esing a .028 head gasket and the Voodoo 60101 cam
http://www.summitracing.com/parts/LUN-60101
Do you all think I will get into detonation with this combo?


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Offline VileZambonie

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Re: Detonation worries
« Reply #1 on: September 04, 2011, 04:24:37 pm »
You'll have to run the highest octane rating for your fuel... Run a cooler t-stat and play with the timing.
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74 GMC, 75 K5, 84 GMC, 85 K20, 86 k20, 79 K10

Offline reload

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Re: Detonation worries
« Reply #2 on: September 05, 2011, 12:44:43 am »
Also run a colder spark plug. 
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Offline BULLDOG

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Re: Detonation worries
« Reply #3 on: September 05, 2011, 07:26:34 am »
You guys recommend me a cam that will work good with my combo
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Black 1983 K20 and sm 465

Offline The dream

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Re: Detonation worries
« Reply #4 on: September 05, 2011, 05:07:31 pm »
go to compcams.com and they have a sheet you to fill out, give the most info you have on the truck, weight, engine, RPM's (your goal) gear ratio, cc, your tire size, use of the vehicle, compresion, etc.. and they will get back to you with a part #
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Offline VileZambonie

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Re: Detonation worries
« Reply #5 on: September 05, 2011, 05:27:53 pm »
Quote from: BULLDOG on September 05, 2011, 07:26:34 am
You guys recommend me a cam that will work good with my combo


Ho about we build it and put it in your truck too. Would you like us to break in the cam as well?  ;D
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              ⌠¯¯¯¯¯'   [☼===☼]
              `()_);-;()_)--o--)_)

74 GMC, 75 K5, 84 GMC, 85 K20, 86 k20, 79 K10

Offline BULLDOG

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Re: Detonation worries
« Reply #6 on: September 05, 2011, 06:03:33 pm »
that would be nice while you all are dropping in the engine and breaking it in the truck needs wheel bearings and the transfer case is leaking
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Black 1983 K20 and sm 465

Offline VileZambonie

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Re: Detonation worries
« Reply #7 on: September 05, 2011, 08:17:57 pm »
Done

Please pay at the next window.
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              ⌠¯¯¯¯¯'   [☼===☼]
              `()_);-;()_)--o--)_)

74 GMC, 75 K5, 84 GMC, 85 K20, 86 k20, 79 K10

Offline Irish_Alley

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Re: Detonation worries
« Reply #8 on: September 06, 2011, 03:31:15 am »
Quote from: BULLDOG on September 05, 2011, 06:03:33 pm
that would be nice while you all are dropping in the engine and breaking it in the truck needs wheel bearings and the transfer case is leaking


the leak aint nothing mud has a had time sticking to oil. run her till the wheels fall off  ;D
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