anything but internals.....

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Mar 2, 2006 | 03:57 PM

COLEnMICHAELS66

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From: boondocks, tennessee

anything but internals.....

hey everybody whats up. i've got a couple questions. ive got a 91 bronco with a 351w. thanks to some suggestions it has a MSD Blaster coil with Ford 9mm wires, Autolite Double Platinum plugs set at 55 thousandths, timing set at 13 btdc, and a MSD cap and rotor. i also have a flex fan. and a idler pully to replace the nonworking A/C. What else can i do to give it more power......i'm talking bolt on's or anything except internal engine work. i'm thinking about adding a MSD ignition box.....good idea or no? if it is a good idea then which one? ive looked at both the 6A and the 6AL. i'm also thinking about this K&N intake http://www.partsamerica.com/ProductD...e=1344&ptset=A any suggestions will be greatly appreciated. Thanks.

Mar 2, 2006 | 05:23 PM

EPNCSU2006

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Joined: Nov 2002

Posts: 9,558

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From: Concord, NC

I just unhooked my 6A, and noticed no difference without it there. I wouldn't spend the money on the box, but the coil isn't a bad idea. I did a tune up with the MSD cap and rotor, FMS 9mm wires, and Blaster TFI coil, and mileage went from about 11 or 12 to close to 15 (this was 5 years ago soon after I bought the truck). I added the 6A box later, and didn't really notice a difference. I got it used for dirt cheap, so I felt like it was worth seeing if it would do anything. It's not worth buying one new, that's for sure, especially not for a stock engine.

Mar 3, 2006 | 12:36 PM

MustangGT221

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From: Topsfield, MA

I don't really find that bolt-ons are a great way to go...

The only real way to make power is to start getting into head, cam, intake, exhaust changes.

A lot of the bolt-ons are expensive for what you get for power increases.

Mar 4, 2006 | 11:35 PM

southernracer89

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Joined: Feb 2006

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If power is what you want, you need to give a call to AFR, or air flow research. they bolted their heads on a 302 EFI HO and gained almost 100hp. they are expensive though. about 1100 dollars.

Mar 7, 2006 | 01:34 PM

COLEnMICHAELS66

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From: boondocks, tennessee

ok then...would an aftermarket throttle body be a good investment? so the K&N intake is a good idea or no? the truck has a 8.8" rear end with 3.55 gears. would a rear end swap be worth it if i could get one for cheap? if so what gear ratio should i look for?

Mar 7, 2006 | 05:29 PM

MustangGT221

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From: Topsfield, MA

Ain't gonna get much of anything out of a throttle body change, or an intake.

Keep the 8.8 rear.

Mar 7, 2006 | 06:22 PM

Blurry94

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Joined: Jun 2003

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From: Calhoun GA

I'd dump the flex fan.

Open element filter, headers, exhaust and underdrive pulleys. A throttle body and aftermarket igntion systems are a waste of money for a stock motor.