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#1
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yellow throttle spring
Never ever thought about it...........was getting an alignment today and the guy mentioned you dont have a problem with just that one yellow spring, what happens when that breaks.....................anyone else running a smaller spring inbetween the yellow one.
Just curious if anyone is using two springs.............i have never seen two springs in a pontiac tri power so far. Rich |
#2
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I have seen the double yellow but only on a four barrel. Ive also single yellow and blue springs on quad jets. They never break unless played with allot taking them on and off. The double wasnt for redundancy it was for higher tension.
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#3
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I run two springs. You need two to pass tech at our closest dragstrip, Island Dragway.
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#4
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Quote:
Rich |
#5
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Thought all 4 bbls had a blue and a yellow
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#6
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Factory Springs
Throttle return springs for 64-67 GTO.
64-65 4BBL. and Tri-Power (single yellow). 66-67 4BBL. and Tri-Power (single blue).
__________________
1) 65 GTO Survivor. 43,440 Original Miles. “Factory” Mayfair Maize Paint with Black Pinstripe, Black Cordova Top, Black Interior, OEM Numbers Matching Powertrain. Purchased from the Lady that bought it new. Baltimore Built (11A). 2) 66 GTO Survivor. “Factory” Cameo Ivory Paint with Red Pinstripe, Red Interior. OEM Numbers Matching Powertrain. Tri-Power (OEM Vacuum Linkage), Automatic "YR" code (1759 Produced). Fremont Built (01B), with the Rare 614 Option. |
#7
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What happens you key the car to off! I know just happened to me last week on my 61 MGA when the cable got stuck. I wedged it part of the way open and drive it home too. Thank god it was a stick car made it fairly easy
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Happiness is just a turbocharger away! 960 HP @ 11 psi, 9.70 at 146. Iron heads, iron stock 2 bolt block , stock crank, 9 years haven't even changed a spark plug! selling turbos and turbo related parts since 2005! |
#8
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Picture attached of my two springs.
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#9
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I had no idea there was a risk that the return spring would break. I did have an issue with the a nut falling off the linkage once and causing a problem. I use nylocks on them now.
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1965 Pontiac GTO 455/469 w/ #48 Heads, '65 Tri-Power 9.25:1 CR Stump Puller Cam Muncie M22W 1st-2.56 2nd-1.75 3rd-1.37 4th-1.00 3.55 Rear Differential Front: 225/60R15 Height: 25.6" Rear: 275/60R15 Height: 28" |
#10
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Nut holding the steering wheel can be an issue too
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#11
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Track tech made me put 2 on as well.never thought about it prior to that. Qjet 4bbl in my case. makes the fun pedal a little stiffer.
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72 Luxury Lemans nicely optioned |
#12
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I've always run two springs regardless of colors and correctness.
Even on my Cammers.
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When I die, I want to go peacefully like my grandfather did, in his sleep. Not screaming like the passengers in his car. |
#13
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All three of my Fremont production GTO's came with a dual wrap yellow spring and I collected another half dozen or so springs in the local pick-a-parts back when we could find the early cars. Tension with both springs is very light and the double springs pass the tech inspections - well at least after I have the tech look a little closer. I hate the single spring that came on the 65's, and added a set on my '65 Tri-Power.
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Mick Batson 1967 original owner Tyro Blue/black top 4-speed HO GTO with all the original parts stored safely away -- 1965 2+2 survivor AC auto -- 1965 Catalina Safari Wagon. |
#14
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I've never seen a throttle spring break on a Tri-Power. Too much spring tension makes these setups virtually impossible to drive without the herky-jerky throttle problem. Rochester 2G carbs all have a spring under the accelerator pump that pushes the throttle plates closed--not as much pressure as the return spring, but it's significant.
The only reason I can think of to run dual springs is to satisfy a tech inspector.
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BONESTOCK GOATS '64 GTO Tripower Hardtop (Wife's Car) '64 GTO Tripower Post Coupe (My Car) '99 Bonneville SE Sedan |
#15
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Quote:
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The '64 GTO The '65 Chevelle The '69 Chevy Pickup Project The Brazen Orange 2006 GTO |
#16
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Quote:
If anyone else has ideas on this issue, please chime in.
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BONESTOCK GOATS '64 GTO Tripower Hardtop (Wife's Car) '64 GTO Tripower Post Coupe (My Car) '99 Bonneville SE Sedan |
#17
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Quote:
__________________
The '64 GTO The '65 Chevelle The '69 Chevy Pickup Project The Brazen Orange 2006 GTO |
#18
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Quote:
Rich |
#19
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This “2 springs” talk is kinda hilarious, when speaking of 64-67 Tempest Series automobiles.
First, the Pontiac engineers that designed these new cars didn’t see the need for 2 springs. Second, if there was a problem with the springs breaking and possibly causing collisions, GM would be held responsible and sued. Third, over decades of use, these single springs if installed as the factory intended will last forever ….. providing someone hasn’t done some other silly modification from factory stock. Now, if someone were to stretch or damage a spring from the factory setting, than all bets are off.
__________________
1) 65 GTO Survivor. 43,440 Original Miles. “Factory” Mayfair Maize Paint with Black Pinstripe, Black Cordova Top, Black Interior, OEM Numbers Matching Powertrain. Purchased from the Lady that bought it new. Baltimore Built (11A). 2) 66 GTO Survivor. “Factory” Cameo Ivory Paint with Red Pinstripe, Red Interior. OEM Numbers Matching Powertrain. Tri-Power (OEM Vacuum Linkage), Automatic "YR" code (1759 Produced). Fremont Built (01B), with the Rare 614 Option. |
#20
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