Head Casting # On 69 L48 300 Hp ? - Team Camaro Tech
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post #1 of 4 (permalink) Old Nov 20th, 05, 04:20 PM Thread Starter
 
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Head Casting # On 69 L48 300 Hp ?

What Casting Was Used On The L48 300 Hp( 3288 Or 3286 Ss 350 Blocks )?, Also What Was Valve Sizes?
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post #2 of 4 (permalink) Old Nov 20th, 05, 04:34 PM
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Re: Head Casting # On 69 L48 300 Hp ?

3947041 or 3927186 1.94 in. 1.5 ex.The 041s are more common I think.

67 Plum Mist Met. 408 TH350 3.08 posi
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Last edited by 67 Plum; Nov 20th, 05 at 04:47 PM.
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post #3 of 4 (permalink) Old Nov 20th, 05, 10:28 PM
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Re: Head Casting # On 69 L48 300 Hp ?

If it is a Tonawanda Built block there is a 99% chance it had 041's. I have seen Flint blocks with both. I am only talking about L48's from 69.

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1969 Camaro RS/SS L48 4 speed
1974 Camaro LT-Z/28 4 speed 33K orig miles
1979 Camaro Z/28 36K orig miles
1987 Monte Carlo SS 25K orig mi bought new by me.
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post #4 of 4 (permalink) Old Nov 21st, 05, 02:02 PM
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Re: Head Casting # On 69 L48 300 Hp ?

If memory serves,..in 69, the SS-350 had 186's,..same as the Z-28 head, only with the smaller valves. Everything else was the same,..chamber size, etc.

Last edited by Straight-line-69; Nov 21st, 05 at 03:39 PM.
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