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Octain booster, need better fuel for return trip to states

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Old 09-18-2003, 08:35 AM
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Octain booster, need better fuel for return trip to states

Hello all, I am going to the Bahamas in a month, last trip there I got a tank full of swamp gas which raised heck with my stroker 406 Chev. What options can I use to get the gas better for my Appl'. I need only about 89 or 90 Oct' I belive the Bimini gas was 85 Octain. Your thoughts are Welcome.
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Old 09-18-2003, 10:21 AM
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1975 X-18 Donzi, Arneson
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Don't waist your money on octane booster. To be safe just back the timing down a little. Change the filters frequently.
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Old 09-18-2003, 10:22 AM
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Back the timing down a few degrees?
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Old 09-18-2003, 10:23 AM
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GEOO,
Beat me to that answer by 1 minute. Oh, well, great minds think alike.
Gary
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Old 09-18-2003, 12:13 PM
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Also pull out the thermostats and run the engine cold, keep cool air in the engine compartment by running the bilge blowers all of the time.
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Old 09-18-2003, 12:22 PM
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If you must use an octane booster use the NOS in the blue bottle. Don't use the %nitromethane (grey bottle) because it actually lowers octane. I have used it with great success on Supra with 24-PSI boost. really kept the knock retard down so you know it worked.

Just curious: How are you getting a stroker 406? Isn't that just a 400 bored .030?

Roby

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Old 09-18-2003, 08:30 PM
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Wow, thanks everbody for the replies, Yeah timing was my thought also, I need a degree light to do because I cant see makes on Balancer or tab, floor in my way.
Roby , I good try The NOS Blue stuff, where do I purchase that from. Stroker 406 = 30 over, 400 block, 350 rods, special pistons with wrist pin relocated. Spells 406 stoker 415 Hp.
B3 twisting Hp. Yum, Yum
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Old 09-18-2003, 10:54 PM
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You can find the NOS octane booster at Autozone or Pep-Boy's.

Actually the term “stroker” would refer to an engine that had it's cubic-inch displacement increased by the use of a longer stroke crankshaft. (such as a 350 with a 400 crank = 383 cubic-inches) You’re engine uses a 400 block with the 400 crank punched .030 over giving you 406 cubic-inchs. There have been some SBC 400 stroked to 426 cubic-inches and they are more expensive than they are cost affective. Also tell me how this engine is holding up for you. Have you had any problems with head gaskets? I'm very interesting in knowing.

have a good weekend
Roby
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Old 09-19-2003, 04:50 AM
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Stroker 406

Intense 406, i have 116 Hrs of pounding on this beast. Never had problems with head gaskets, i used Felpro blue with stainless ring. I have a closed cooling sysytem, this also keeps temps at a steady 165 degrees. So far, so good.
The only thing is fuel, wow, just like a big block when you jump on her. eats gas like a slobb.
Roby, thanks for the tip on NOS, I will try.
B3:
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