moparbud66
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I was just wondering if anyone is using a TQ on their big block. I was thinking of going that way with an Edelbrock Performer manifold. Or is there a better carb. for street use?
Anyone using a Thermoquad on their 440?
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RustyRatRod
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Far as I'm concerned, they are unparalleled on the street...and even in some drag situations. Say Stock Eliminator. However, they do have a learning curve when it comes to tuning. I have never run one on e big block, but I have run MANY on small blocks through the years and they are very good carburetors. Opinions will vary. lol
mopar367
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my friend has a rebuilt one on his stock 76 400 engine. It is fairly good on gas, and had lots of power too. They are a more complex carb, and kinda mis-understood. But can be made to run great. I have a few collecting dust i may use someday .
m79ded
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Got one on my 440 with iron intake and manifolds mild 228 degree cam in a 79 magnum very streetable and stock appearing car runs great good millage compared to holley.
Car runs 12.70's on radials and has amazing low end.Tried 2 different holley carbs and both were 2/10ths off the mark. Probably if I went with the very high dollar exotic holleys it might perform better @ track but do 95% of driving on street and drivability is #1.I am pleased and would definitely go with TQ
Car runs 12.70's on radials and has amazing low end.Tried 2 different holley carbs and both were 2/10ths off the mark. Probably if I went with the very high dollar exotic holleys it might perform better @ track but do 95% of driving on street and drivability is #1.I am pleased and would definitely go with TQ
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I had great results when I used one years ago, very responsive at all speeds.
But I also have to say that the best carb I experimented with on my 440 was a Rochester Quadrajet using an adaptor plate.
-=Photon440=-
But I also have to say that the best carb I experimented with on my 440 was a Rochester Quadrajet using an adaptor plate.
-=Photon440=-
RustyRatRod
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Absolutely true. The Demon will never meet both worlds like a good tuned Thermoquad, though. Nothing like getting 20 plus MPG and having 850 CFM on tap.
biginch=bigfun
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Thermo has been the best carb I've found so far! Currently on my 440 W/ a performer rpm in my '69 Rd. Runner. Once it is set up you can pretty much forget it . I've used this carb on my 383 & another 440 & always been very happy with it.
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750, I think it was from an Olds 455. I still have a shelf full of them.
Yep, the Quadrajet rocks. I like that carb a lot. What size did you use?
rumblefish360
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The T/Q is like a poor mans copy of the Rochester.
I myself like the TQ a lot. The small primary delivers a good fuel atomization and helps retain low end torque with the ability for good mileage.
The TQ was designed as a race carb before it became stock equipment. I love the street strip performance of this carb. IMO, you need to spend some good money on a Holley to get a worthy note of performance over a TQ. Not just any Holley, but a nice one that you'll have to drop some coin on.
I myself am on a budget. (kids in collage and etc……)
So for myself, I'll stick with a decent core and rebuild it. $25-$50 and a rebuild kit for about another $50. Works real well for me. I end up with a screamer of a carb for cheap.
I myself like the TQ a lot. The small primary delivers a good fuel atomization and helps retain low end torque with the ability for good mileage.
The TQ was designed as a race carb before it became stock equipment. I love the street strip performance of this carb. IMO, you need to spend some good money on a Holley to get a worthy note of performance over a TQ. Not just any Holley, but a nice one that you'll have to drop some coin on.
I myself am on a budget. (kids in collage and etc……)
So for myself, I'll stick with a decent core and rebuild it. $25-$50 and a rebuild kit for about another $50. Works real well for me. I end up with a screamer of a carb for cheap.
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Good points. I think a lot of people like the look of a Holley, and stick with it even if they didn't notice a performance improvement over something else. Myself, I always noticed a Holley using gas faster than the rest.
I'm working on a 451 build and want to go fuel injection for starting reliability, but I may run a carb for awhile first. Do you have any that are in rebuilt or good condition that you'd be willing to sell me? If so, PM me with an asking price and I'll talk to my engine building mentor and see what he thinks.
21 mpg to Reno. Tremec/354. Demon. No vac advance.
rumblefish360
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The Tremac is the mileage maker there. What will it do at a 1-1 final drive.
Truth be told, a y car properly sized and tuned really well wl do well. Most times a Bolley will consume more fuel is due to something not being dead on perfect. I have found best mileage with a TQ.
I also got 20 MPG's on a 360/2.76 cogged in a '79 Magnum with a Fed-mougal 625 AFB. It took a while to get it that good.
Truth be told, a y car properly sized and tuned really well wl do well. Most times a Bolley will consume more fuel is due to something not being dead on perfect. I have found best mileage with a TQ.
I also got 20 MPG's on a 360/2.76 cogged in a '79 Magnum with a Fed-mougal 625 AFB. It took a while to get it that good.
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