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#21
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Not welding...
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Carburetor building & modification services Servicing the Pontiac community over 20 years |
#22
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Hey Shaker,
have you worked on that project lately ? Frank. |
#23
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Frank,
I've been gathering parts and working on extension design to machine. I'll post pics when outer rings are removed with some extension mock ups.
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Carburetor building & modification services Servicing the Pontiac community over 20 years |
#24
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Lol, you've got a lot of projects to keep us all updated on...besides everything else you do!!'
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1977 Black Trans Am 180 HP Auto, essentially base model T/A. I'm the original owner, purchased May 7, 1977. Shut it off Shut it off Buddy, I just shut your Prius down... |
#25
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Yes Jeff I keep very busy
Jeff
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Carburetor building & modification services Servicing the Pontiac community over 20 years |
#26
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Hey Jeff hope all is well, I’m also on the watch list on this endeavour. Very neat project....
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#27
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Hey Andy,
I can't wait to test it on my car! You got PM
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Carburetor building & modification services Servicing the Pontiac community over 20 years |
#28
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Going to machine out rings this weekend.
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Carburetor building & modification services Servicing the Pontiac community over 20 years |
#29
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In 2000 (I believe) Jim Hand was running wagon at the yearly (fall)event at Ark City, Kansas.
The track is an old WWII aircraft training tacility it it 2 long stretches of concrete. One stretch runs North-South, the other runs East-West. The pits are all concrete, a rare opportunity for every car at the event to park on pavement. Track is west of town, right on highway surrounded by corn fields, the bigger, better stretchs Eastward (pit side). I was likely at that event... Jim Hand had his awesome wagon running 11.30's. The air was superb that day. Someone wrote something about that event, stating that it was only possible to do so, running the aftermarket parts he had on engine that day...suggesting that was only was the feat could be accomplished....i am pretty sure he had a Performer RPM and a large Holley carb. This put Jim in action to get his wagon as well as possible with O.E. Parts. I was thrilled at what parts he used. I had/have 6X-4 heads, iron intakes, a few Quadrajets....I sure relished the idea of the quadrajet on his engine, especially!!! I'd like to think that Ernie and Andy could further the cause, of at least the carb end of it, by squeezing a little more out a quadrajet on their engines. It's a part of the Pontiac mystery of making Pontiacs run SO well. Buying a $20.00 carb at a swap meet, and making simple, at home modifications....a vision that makes my day!!!
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1977 Black Trans Am 180 HP Auto, essentially base model T/A. I'm the original owner, purchased May 7, 1977. Shut it off Shut it off Buddy, I just shut your Prius down... |
#30
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It would be nice to get a bit more flow out of the primary side.
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Carburetor building & modification services Servicing the Pontiac community over 20 years |
#31
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. This project with Shakers carb is exactly the type of stuff that lots of us like . It takes vision and some careful engineering to make something work in real conditions. Keep at it Jeff , know this isnt a quick project.
Since this is the street section everyone strives to have something that starts without issue and have driveability . There are 4 guys around here that run well with pontiacs and quads , and lots of street miles layed down. Since my quad had its magic done to it i have had very few incidents. Yes Trashcan i do know there is more to be had. It really is about CFM flow and of course the requirements of a particular combo. Like to take it to the next level ...So Jeff will be chatting with you later on about that. |
#32
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I may no longer use a Quadrajet but I respect those who do and the results do speak for themselves. I still have in my small track tool box Quadrajet metering rods and an allen wrench for the secondary air flap. Usually a couple times a year the parts or tool gets loaned out.
I agree with Andy it takes time and patience to modify or dial in parts to work in "real" conditions not "copy and paste" theory or internet rhetoric. By real conditions I agree its the street manners first while holding the same et's at the track. Sometime if I'm bored I play around again with a Quadrajet, I do have a bin full of parts and carbs and a few intakes. To date my best recorded et/mpg combination is 10.81/126.70 and 15.75mpg on the same day. Not bad for a basically stock Holley.
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466 Mike Voycey shortblock, 310cfm SD KRE heads, SD "OF 2.0 cam", torker 2 373 gears 3200 Continental Convertor best et 10.679/127.5/1.533 60ft 308 gears best et 10.76/125.64/1.5471 |
#33
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Sounds good Ernie but some time you should borrow Andy's Carb and give it a shot.
Either way.. your times are great and I admire both you guy's efforts! I would enjoy a day with you two @ the track!
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Carburetor building & modification services Servicing the Pontiac community over 20 years |
#34
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It would be a good test.
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466 Mike Voycey shortblock, 310cfm SD KRE heads, SD "OF 2.0 cam", torker 2 373 gears 3200 Continental Convertor best et 10.679/127.5/1.533 60ft 308 gears best et 10.76/125.64/1.5471 |
#35
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As promised into the milling machine we go!
Rough out removal or outer ring to make way for the fit of new booster extension. That alone opened up to quite a bit of airflow. My Race only guys that I offered this mod should reconsider, as this unit is going on a HP street/ strip combo.
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Carburetor building & modification services Servicing the Pontiac community over 20 years Last edited by shaker455; 02-17-2019 at 02:50 PM. |
#36
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One more pic..hope you guy's enjoy!
The Super Shaker SD is taking shape...
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Carburetor building & modification services Servicing the Pontiac community over 20 years Last edited by shaker455; 02-17-2019 at 03:00 PM. |
#37
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WOW!!!Looking good ,Jeff,,ok ,...as of now ..would this be the same as the 71 455 HO carb primary venturi?
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#38
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Hey Mike,
No, the 800 venturi is larger than the 71' 455HO as the HO is a 750 casting with no outer ring. 1st pic is 71' 455HO compared to the outer ring removed on this 800 Also, if you look close the HO carb has the airhorn in place and you can see how much the choke housing obstructs the opening on the right hand side so that are will be addressed.
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Carburetor building & modification services Servicing the Pontiac community over 20 years |
#39
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quite a difference...i don't know anything about the 71 455 HO carb,so was it rated at 800?..if so..this 800 is gonna flow some air!!Thanks for the photos ,Jeff...
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#40
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I just took a measurement on the smallest venturi diameter around the booster with inside deep reach veriners.
1 st pic: 71' HO approx: 1.080" 2nd: 800 approx: 1.225" Quite a difference!
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Carburetor building & modification services Servicing the Pontiac community over 20 years |
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