Author Topic: Thermoquad advice  (Read 3802 times)

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Offline wycowboy

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Thermoquad advice
« on: December 15, 2008, 01:16:50 PM »
I posted a week or so ago about a customer giving me a couple of thermoquad carbs. One was from a 440 and the other was from a 360. I am thinking of putting the one from the 440 on my F250 with a 460. Other than the obvious, rebuild it/adapter etcetera, can you guys think of anything else I might need? The truck is a 4 speed by the way so no kickdown is needed. I know its a Ford but I have seen these off-brand topics get some good advice before.

Chris
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Offline smokey y

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Re: Thermoquad advice
« Reply #1 on: December 15, 2008, 01:40:44 PM »
If the center plastic body is not warped it will be a bitchin carb. Now with that said certain year were better than others with emission crap. I beleave there were 3 cfm sizes an 815,875,915. The best thing to do now if you have`1 is to look for a cater carb service manual
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Offline cragdweller

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Re: Thermoquad advice
« Reply #2 on: December 15, 2008, 09:32:55 PM »
http://www.thermoquads.com/page203.html

http://www.carburetor.ca/Tech/Carter/tqguide-Vaanth.html

The second has a complete model number list that will tell you exactly which carb you have.  A wealth of info in that second site.
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Re: Thermoquad advice
« Reply #3 on: December 17, 2008, 08:59:55 PM »
CHRIS / if you promise to mail it back l,ll send you the THERMO QUAD book / its no longer in print and is old as dirt and is from the 70,s / let me know = email
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Offline smokey y

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Re: Thermoquad advice
« Reply #4 on: January 21, 2009, 10:07:29 PM »
need help just got my hands on a thermoquad can anyone tell me the CFM. It came off a 440 77/76 year here the numbers I found so far 6545s , 8976, and on top it has a 6-2146. the motor is out of a motor home if that helps out.
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Offline ChrisKD

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Re: Thermoquad advice
« Reply #5 on: January 21, 2009, 11:50:24 PM »
Being off a 440, it should be the 850cfm Thermoquad.  There was also a 1000cfm CS Thermoquad, but i don't think it was ever used on anything like a motorhome.
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Offline cragdweller

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Re: Thermoquad advice
« Reply #6 on: January 22, 2009, 09:53:57 PM »
need help just got my hands on a thermoquad can anyone tell me the CFM. It came off a 440 77/76 year here the numbers I found so far 6545s , 8976, and on top it has a 6-2146. the motor is out of a motor home if that helps out.

Check the links above, one has a complete numbers guide that will tell you what you are asking.
1975 Plymouth Trail Duster Sport.  440/727, 203/205 doubler, Dana 60 front and 70 rear.  Still under construction...

1977 Dodge Power Wagon W200 Crew Cab.  Next project.

2002 2500 Quad Cab Short Bed 4x4.  Cummins HO w/ NV5600 six speed.

Offline smokey y

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Re: Thermoquad advice
« Reply #7 on: January 23, 2009, 09:36:39 PM »
Well I guess its in the 800-850 range. Now is it too much for a mild 360 it has an rv grid cam and and 8 somthing to 1 compression profomer intake
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Offline ChrisKD

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Re: Thermoquad advice
« Reply #8 on: January 23, 2009, 11:55:35 PM »
Well I guess its in the 800-850 range. Now is it too much for a mild 360 it has an rv grid cam and and 8 somthing to 1 compression profomer intake

850 was the Stock Size Thermoquad for a 360 IIRC.  So it should be fine.
76 Ramcharger 318/727/203
48 Dodge Pickup
83 Scamp GT 2.2 Turbo AWD
92 Dakota 5.2/518/231
84 PW50 273/727/100/203
74 Duster 6-71 Blown 340/833/D60
73 Duster 340/727/8.75
73 Dart Sport 340/833/8.75
73 Dart Sport 340/727/8.75
71 Duster : Viper V10/6-Speed/8.75
71 Demon 8-71 Blown 540 Hemi/833/D60
72 Demon 340/833/8.75
65 Cuda 273/904

Offline smokey y

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Re: Thermoquad advice
« Reply #9 on: January 24, 2009, 10:15:57 PM »
now how does the choke work on these TQs looks like a hot air choke that has a wire comming off of it were do i need to hook up the wire so the choke works
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