[DeTomaso] New Carb - Recommendations?

MikeLDrew at aol.com MikeLDrew at aol.com
Mon Nov 3 14:34:58 EST 2008


In a message dated 11/3/08 12 21 8, MikeLDrew at aol.com writes:


> I find it interesting that Holley currently markets 670cfm and 750cfm 
> carbs.
> 

The 700 double-pumper is a standard off-the-shelf Holley item as well.   They 
don't seem to 'push' the 700 size for some reason, but it seems to be just 
about the perfect compromise between the driveability of a 650 and the top-end 
power of a 750.

http://store.summitracing.com/partdetail.asp?autofilter=1&
part=HLY%2D0%2D4778C&N=700+115&autoview=sku

Note that this carburetor comes with standard center-hung float bowls which 
must be removed to change jets (Larry's carbs come with additional-cost float 
bowls that have access plugs so you can reach through with a special tool (also 
included) and change jets without taking the carburetor apart--in fact you 
can change jets with the carburetor installed on the engine).

This carburetor also comes with standard Holley plastic floats; Larry's have 
the optional extra-cost metal floats.   

This carburetor lacks an electric choke, which is a $50 addition.   Larry's 
comes with it.

This carburetor has no fuel feed; if you already have one, then great, but if 
not, there's another $30-$50.

And the list goes on.   

You would probably be perfectly happy with a standard 700 double-pumper with 
an electric choke from Summit; the other options Larry includes on his carb 
make the carburetor much nicer to live with, and easier to tune, at the cost of 
a few more bucks.

Mike


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