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850 TQ Thoughts? Pro's, con's #609256
02/09/10 10:33 PM
02/09/10 10:33 PM
Joined: May 2005
Posts: 2,295
dark side of the moon
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Dougsmopars Offline OP
top fuel
Dougsmopars  Offline OP
top fuel
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Joined: May 2005
Posts: 2,295
dark side of the moon
What do you guys think of the 850 Thermo quads? What are the pro's and con's? How are they for performence on a street car?

Re: 850 TQ Thoughts? Pro's, con's [Re: Dougsmopars] #609257
02/09/10 11:12 PM
02/09/10 11:12 PM
Joined: Jul 2003
Posts: 1,869
Carmichael, CA
NotEnufGarage Offline
top fuel
NotEnufGarage  Offline
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Joined: Jul 2003
Posts: 1,869
Carmichael, CA
That's the stock carb on my Li'l Red Express and I like it. It took a little bit of tuning to get it dialed in, but once you know the in's and out's of the TQ, and pick up one or two special tools, you'll find it's a very versatile carb and very easy to tweak.


'70 Charger FE5 Daytona Clone 451/727/D60
'70 Challenger FM3 440/833/3.55SG
'79 Ramcharger SE 360
'89 Shelby Dakota
‘06 PT Cruiser GT Convertible
‘07 Charger R/T Daytona
‘10 Ram 1500 ST Crew Cab

Yes, I'm a Dodge Boy. Verstehen?
Re: 850 TQ Thoughts? Pro's, con's [Re: NotEnufGarage] #609258
02/10/10 12:43 AM
02/10/10 12:43 AM
Joined: Jan 2005
Posts: 12,419
Kalispell Mt.
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HotRodDave Offline
I Live Here
HotRodDave  Offline
I Live Here
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Joined: Jan 2005
Posts: 12,419
Kalispell Mt.
Core, about $20

kits about $30.

2 hrs of your time to rebuild

Beating a $600 holley HP...


PRICELESS!


Ok they may not really beat it but can definately run just as good and it will run better on a too small motor and it is a lot lighter. Pretty much a no brainer to me


I am not causing global warming, I am just trying to hold off a impending Ice Age!



Re: 850 TQ Thoughts? Pro's, con's [Re: HotRodDave] #609259
02/10/10 01:30 AM
02/10/10 01:30 AM
Joined: Feb 2003
Posts: 21,318
Manitoba, Canada
DaytonaTurbo Offline
Too Many Posts
DaytonaTurbo  Offline
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Posts: 21,318
Manitoba, Canada
Great for driveability, I daily drove my thermoquad spring-fall for 6 years. My only complaint is I always found that bog when you nail the throttle open from a dead stop to be very difficult to tune out. Or I'd get it tuned out, temperature outside would drop and it would be right back there. To be expected I guess but still annoying.

Re: 850 TQ Thoughts? Pro's, con's [Re: DaytonaTurbo] #609260
02/10/10 02:05 AM
02/10/10 02:05 AM
Joined: Sep 2004
Posts: 6,906
IL, Aurora
A
ademon Offline
master
ademon  Offline
master
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Joined: Sep 2004
Posts: 6,906
IL, Aurora
I'm about to use one on my hot 360, its a 850 with the choke removed so it flows about 910cfm. Hope it works as good as my holley 750 with annular boosters.

Re: 850 TQ Thoughts? Pro's, con's [Re: DaytonaTurbo] #609261
02/10/10 02:56 AM
02/10/10 02:56 AM
Joined: Jul 2008
Posts: 30,424
Florida STAYcation
dOc ! Offline
The village idiot's idiot
dOc !  Offline
The village idiot's idiot

Joined: Jul 2008
Posts: 30,424
Florida STAYcation
Quote:

Great for driveability, I daily drove my thermoquad spring-fall for 6 years. My only complaint is I always found that bog when you nail the throttle open from a dead stop to be very difficult to tune out. Or I'd get it tuned out, temperature outside would drop and it would be right back there. To be expected I guess but still annoying.




Simple adjustment of the secondary air-door ......

WITH the proper tool ....

Available HERE ....

Re: 850 TQ Thoughts? Pro's, con's [Re: dOc !] #609262
02/10/10 07:35 AM
02/10/10 07:35 AM
Joined: Jan 2003
Posts: 6,389
nielsville, minn.
Q
quickd100 Offline
master
quickd100  Offline
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Joined: Jan 2003
Posts: 6,389
nielsville, minn.
It's the nicest, most flexable carb Mopar ever installed on one of their motors. Great fuel economy possible with the cfm capacity for any size motor. It's to bad the aftermarket never picked up on it, it could have rivaled Holley as an aftermarket performance carb.Dave

Re: 850 TQ Thoughts? Pro's, con's [Re: quickd100] #609263
02/10/10 09:14 AM
02/10/10 09:14 AM
Joined: Dec 2007
Posts: 28
PA.
3
340rocks Offline
member
340rocks  Offline
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Joined: Dec 2007
Posts: 28
PA.
drill the squirters to .33 with hobby hand drill no bigger I have one on my 340 runs just as good as my holley 3310 also look in unlawfis race only under tq help

Re: 850 TQ Thoughts? Pro's, con's [Re: 340rocks] #609264
02/10/10 09:44 AM
02/10/10 09:44 AM
Joined: Jan 2003
Posts: 16,123
Grand Haven, MI
patrick Offline
I Live Here
patrick  Offline
I Live Here

Joined: Jan 2003
Posts: 16,123
Grand Haven, MI
I'd run one if I could find a decent dual plane intake for a small block & spread bore.


1976 Spinnaker White Plymouth Duster, /6 A833OD
1986 Silver/Twilight Blue Chrysler 5th Ave HotRod **SOLD!***
2011 Toxic Orange Dodge Charger R/T
2017 Grand Cherokee Overland
2014 Jeep Cherokee Latitude (holy crap, my daughter is driving)
Re: 850 TQ Thoughts? Pro's, con's [Re: patrick] #609265
02/10/10 11:10 AM
02/10/10 11:10 AM
Joined: Jan 2003
Posts: 3,623
Millinocket, Maine
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JonC Offline
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JonC  Offline
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Joined: Jan 2003
Posts: 3,623
Millinocket, Maine
Quote:

I'd run one if I could find a decent dual plane intake for a small block & spread bore.



Eddy LD340 and hog it out.







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