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Author
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Topic: Questions on Supercharged stock 5.0
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JSJ 5.0
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Member # 11950
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Bought a 92 coupe stock 5.0 with a vorteach v1 s trim 6lbs pully. Car is all stock 5.0 running a fmu, 255 intake walbro, stock 19lbs injectors, boost retard knob set up at -1 and a vortech blue box. Car didn't want to start anymore and it ended up being the blue vortech box taking a shit.
Car also came with red top 30lbs with matching MAf. I'm wondering which setup would be the safest to run. Stock with 19lbbs, fmu, with retard knob or ditch all those and run the 30lbs injectors with matching maf
What's a good spark plugs and what gap to run on this setup and timing
Also if i would to ditch the a/c and smog pump does anyone what size smaller belt i would need
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JSJBROTHERS.COM
Posts: 67 | Registered: May 2012
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Martinna
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Member # 12493
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posted
Standard copper plugs are good. Motorcraft and Autolite are popular. Two heat ranges cooler than stock. Download the Vortech manual from their website for details.
A 70.5" belt if you're not running underdrive sullies
You need to run retarded timing with boost. You always need a chip or a boost retard. 30lbs injectors with boost is good for 350HP flywheel.
Posts: 1093 | From: City | Registered: Oct 2012
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DeleteThisAccount
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Member # 94
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posted
Simple is always easier. Use the 30's and MAF and get a chip.
My 93 cobra ran lean at a little over 300rwhp with 24's. With 36's it made a touch under 400rwhp on a stock motor and safe tune.
That was back in 2001.
As for plugs, I ran mine at .035, one range cooler and had no issues at all, but like he said, DO NOT USE PLATINUM.. stick to copper plugs.
Most of what Vortech puts in their manual is a joke, anyways. They supply the kit with garbage, I literally threw away 90% of it.
The belt length will vary depending which size crank/water pump pullies are on it, as well. Just take the old belt to the shop and grab one the same size, or 1/4" shorter if it's loose. If you ditch the smog pump and such, you will def need to try a couple lengths.. some people are good at measuring belts.. some aren't, haha. Hope the store is close lol.
Skip going back and forth looking for manual #'s, because it likely won't fit. Who knows. lol.
[ 2018-03-14, 03:19 PM: Message edited by: Blown93Snake ]
Posts: 1263 | Registered: Dec 2000
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