[DeTomaso] More valvetrain for 6143

[Thomas Tornblom]

Without personal experience of Ford big blocks, I had a look in Tom 
Monroes book, and he says they also have 11/32" valve stems, which is 
consistent with the info I remember from when I was hunting for valves.

Thomas

jderyke at aol.com skrev:
> In a message dated 1/21/10 1:53:40 PM, guson at home.se writes:
> 
>> I was under the impression that the solution was to use Boss retainers 
>> with aftermarket keepers but if there are Boss keepers that fit the stock 
>> retainers I'd rather get that I guess. If these are stock Boss retainers they 
>> look nothing like mine anyway:
>>
> You're right- in that article, the retainers pictured are not stock steel 
> retainer washers. Stockers are the same for 260, 289, 302 and 351 engines, 
> both Windsor & Cleveland. In the article, they say the valves were replaced 
> with Pro Comp one-piece single-groove stainless valves, so I guess they also 
> supplied the single groove keepers and aftermarket retainers.
> Big block keepers will be sized for 3/8" big block valve stems, so whether 
> they're too big to fit 351C retainers or not is a moot point; big block 
> valve stems won't fit in the 351-Cs' 11/32" valve guides. 429/460 stuff is very 
> different even if the valve and port sizes are similar to the 4-V Cleveland.
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