[DeTomaso] Throttle cable

[Mike Drew]

Sent from my iPad

> On Jan 27, 2019, at 13:31, Larry Stock <larrys at panteraparts.com> wrote:
> 
(Snip)
> 
> That carb bracket Mike showed helps to get the throttle linkage away from
> the intake manifold base so it doesn’t interfere and get stuck open like
> mine did once doing an Auto Cross, but it doesn’t help so much with the
> angle arc pull of the carburetor butterflies.

>>>Actually, it doesn’t displace the cable end laterally (sideways) at all, so it won’t help much with interference with intake runners if that’s an issue. It moves the ball almost straight back from the standard position. In the standard position, the ball moves slightly down as it moves back, and then moves upward. It describes a circle as it is moving, so that eventually it gets to the 8 o’clock position (or thereabouts) and then the straight line pull does very little to open the throttle further. 

The aluminum bracket changes that geometry, and the ball starts out at about the 4 o’clock position. As the cable is pulled it moves through an arc until about the 7 o’clock position. In fact I wish I had this on my own car, and may well install it since it’s sitting here. 

I tried to start my car today with no luck. It cranked and cranked for ever and didn’t so much as pop. I now have the battery on a charger. Hoping against hope that the MSD isn’t getting enough power to deliver a quality spark. (I did squirt a little gas in the carb too). Then went to start Lori’s car, and after some cranking it fired right off. Love that thing!

Mike
> 
>> On 1/27/19, 1:08 PM, "Paul Rimov" <rimovp at icloud.com> wrote:
>> 
>> I bought a Lokar universal 10 foot throttle cable and rerouted it around
>> and over the bell housing so it was pulling the throttle linkage rather
>> than pushing it. Worked fantastically better than the factory set up.
>> Much much much better feedback and feel.
>> 
>>> On Jan 27, 2019, at 11:07 AM, Mike Drew via DeTomaso
>>> <detomaso at server.detomasolist.com> wrote:
>>> 
>>> Mike,
>>> 
>>> Yup. Larry’s option is what Lori and I have on our cars. Moving the
>>> cable housing forward with his bracket, or moving the carb pickup point
>>> rearwards with the carb bracket I pictured, effectively does the same
>>> thing. Moving the cable forward increases the angle the cable is forced
>>> to bend to go down into the car, so perhaps it’s better to use the
>>> bracket mounted on the carb. It’s twice as expensive though, and I have
>>> no personal experience with it.
>>> 
>>> If you have a vac secondary carb, it’s possible you can get away with
>>> everything being stock―I don’t know. For sure something needs to be
>>> altered if you have mechanical secondaries though.
>>> 
>>> Mike
>>> 
>>> Sent from my iPad
>>> 
>>>> On Jan 27, 2019, at 11:01, Larry Stock <larrys at panteraparts.com> wrote:
>>>> 
>>>> Do you have the Throttle cable adaptor bracket that goes on the front
>>>> bolt
>>>> of the intake manifold? It moves the cable forward about 5/8 of an
>>>> inch to
>>>> match the centerline of the 4 square Holly carb pattern from The
>>>> original
>>>> equipment spread bore Autolight Carburetor. The original looks like a
>>>> Tee
>>>> that the throttle cable sheathing is harnessed in a slot and the Holly
>>>> one
>>>> looks more like an offset L bracket. If you don¹t have the Holly
>>>> bracket
>>>> you use up and extra 5/8 of an inch of cable and probably will not be
>>>> getting full throttle with the butterflies of the Carburetor. We sell
>>>> these for $35.00
>>>> Larry Stock
>>>> 
>>>> On 1/26/19, 8:04 PM, "DeTomaso on behalf of Mike McDougal"
>>>> <detomaso-bounces at server.detomasolist.com on behalf of
>>>> mdmcdougal at gmail.com> wrote:
>>>> 
>>>>> Looking for recommendations for a throttle cable.A  I have the
>>>>> original
>>>>> cable stretched to the max. Needs to be a little longer. To fit a
>>>>> holley type carb on a blue thunder intake.
>>>>> Thanks.A  MikeA
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