2003 Bonneville SSEi
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rynmcdonald
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2003 Bonneville SSEi
Ok.... here's my dilemma. I NOW know I am supposed to run premium fuel in my car and I found out the hard way. I am currently running the vehicle without the SC belt on. my worry, short of leaving the belt off, is that I will blow a piston. I am wanting to know if I can adjust the boost to a lower level so as NOT to detonate a piston. is there an over sized pulley I can buy?
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harofreak00
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Re: 2003 Bonneville SSEi
Suck it up and pay the $3-4 more per fillup and buy premium... or sell the car.
Andrew - owner/operator of Bonnevilles Unlimited
2004 Bonneville GXP | 60k | White Gold Tricoat | custom built supercharged 3800 hot rod | garage queen
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J Wikoff
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Re: 2003 Bonneville SSEi
If you don't drive it hard, it'll live on lower octane, but if you're like me, it's hard to resist every now and then. You could adjust the BCA or its stop so it doesn't close the wastegate all the way.
WHITE WHINE - 1992 SSE Supercharged 236.26 ci (.040 Over) 15.090 at 90.2 MPH on old engine w/ slipping trans & melted O2 sensor - Gen 3 M62 and matching TB, Gen 2 Pully, Zillamotorsports Ported LIM, YT 1.72 Roller Rockers, SII FPR & Injectors, Hypertech Thermomaster chip w/ 160 Thermo, TransGo Shift Kit, Infinity/Pioneer Speakers & a 10" Alpine Type R Sub, all the watts, 140 amp Alternator, Ricepipe CAI w/ heatshield, Pilot Angel Eye Foglights, Clear Corners, '02 17" Chrome Bent 5's, Magnaflow F-Body Muffler and Hi-flo Cat, Ceramic Coated Ported Exhaust Manifolds, Fan Override, Monroe Reflex struts, red calipers
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RJolly87
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Re: 2003 Bonneville SSEi
Just leave the belt off for the rest of the tank, run it as low as you can, than fill up with high octane. Then, to be safe, just take it easy, and stay out of the boost. Run it low again, and then fill up on high octane again.
No worries.
No worries.
~Randall~
1993 Buick Park Avenue - 197k - Some odds and ends done - Simply won't die
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1990 Oldsmobile 88 - Gone to a better place
1993 Buick Park Avenue - 197k - Some odds and ends done - Simply won't die
1994 Buick Regal - 78k - Bone stock - Always ready for a good kicking
1990 Oldsmobile 88 - Gone to a better place
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SSEiMan01
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92 SSE
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Re: 2003 Bonneville SSEi
Seriously though. The extra few dollars you save from fuel won't compare to the cost of a new motor. I agree with the above. 
Will
91 Riviera | S2 L67 Swap/4T60E | 127K mi | Antelope Met. w/ Tan Int. | Saved From Death By Crusher
92 Bonneville SSE | L67/4T60E | 77K mi | Med Slate Grey w/ Two-Tone Grey Int. | Low Miles Time Capsule
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91 Riviera | S2 L67 Swap/4T60E | 127K mi | Antelope Met. w/ Tan Int. | Saved From Death By Crusher
92 Bonneville SSE | L67/4T60E | 77K mi | Med Slate Grey w/ Two-Tone Grey Int. | Low Miles Time Capsule
92 Lumina Z34 | LQ1/4T60E | 177k mi | Torch Red w/Grey Int. | Rusty In Odd Spots
99 Tahoe LT | L31/4L65E | 276k mi | Spiral Grey Metallic w/Grey Int. | Truck for Truck Things and Portable Concert Hall
02 Bonneville SSEi | 171k mi | Black w/Neutral Int. | Backup and road trip car
03 Park Avenue Ultra | 212K mi | White Diamond Met. w/ Shale Int. | Southern Time Capsule
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00Beast
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Re: 2003 Bonneville SSEi
If you can't afford Premium (91+ Octane), you shouldn't buy a supercharged motor. Not only does the car not blow holes through pistons, but you'll get better mileage, so it's really a wash anyways. You could buy a 4" pulley on an MPS hub, but there's still no guarantee that's going to not knock and blow a hole in your motor...
Bye Bye:
RIP sandrock
RIP sandrock
Sirius wrote:Think about it. You’re tooling down the road in your Prius, knowing full-well that this thing being green is as big a sham as federally mandated ethanol-enriched gas, Russia pulling out of Ukraine, and Obamacare.
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rynmcdonald
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Re: 2003 Bonneville SSEi
Well I had to wait 6 months to find a decent engine to put in there. Now I am having hesitation under hard acceleration. Dirty Injectors? Bad plugs? Its got Champion Iridiums in it which I bead blasted clean. Or it could be the 87 gas that is mixed with the 93. I will run Seafoam through it and see it that helps. And the car will soon be for sale as well.
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00Beast
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Re: 2003 Bonneville SSEi
I'd put new plugs and wires on. Electrodes wear over time, and I'm sure bead-blasting them didn't help. Throw some cheap copper plugs in there.
Bye Bye:
RIP sandrock
RIP sandrock
Sirius wrote:Think about it. You’re tooling down the road in your Prius, knowing full-well that this thing being green is as big a sham as federally mandated ethanol-enriched gas, Russia pulling out of Ukraine, and Obamacare.
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rynmcdonald
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Re: 2003 Bonneville SSEi
I put Autolite 605s in it and its starting to develop the hesitation again. I think this is because of high speed glazing which melts a conductive material on the electrode insulator and masks the spark when it gets hot. thinking of getting AL Plat 104s as it's said to run colder plugs if the problem persists.
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00Beast
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Re: 2003 Bonneville SSEi
Don't get platinum. Platinum electrodes turn into glow plugs, no matter the heat-range of the plug, under boost.
Are you still running without a belt? What grade fuel are you running?
IMHO: Here's what you need to do: get the tank as empty as you dare, fill it to the brim with premium. Run it for a bit (10 miles or so) without the belt to ensure your lines are full of the current mix that's in the tank (hopefully more than 90% 91+ Octane). Then put the belt back on, and run it. See if it has any issues, and follow the normal diagnostic procedures to find them. It's hard to know what's going on when you have too many variables in the mix. Get it back to the designed configuration, and go from there.
Are you still running without a belt? What grade fuel are you running?
IMHO: Here's what you need to do: get the tank as empty as you dare, fill it to the brim with premium. Run it for a bit (10 miles or so) without the belt to ensure your lines are full of the current mix that's in the tank (hopefully more than 90% 91+ Octane). Then put the belt back on, and run it. See if it has any issues, and follow the normal diagnostic procedures to find them. It's hard to know what's going on when you have too many variables in the mix. Get it back to the designed configuration, and go from there.
Bye Bye:
RIP sandrock
RIP sandrock
Sirius wrote:Think about it. You’re tooling down the road in your Prius, knowing full-well that this thing being green is as big a sham as federally mandated ethanol-enriched gas, Russia pulling out of Ukraine, and Obamacare.