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Dear Kevin,
May this find you well. I reproduce below an earlier brickboard posting on BG44k and a before/after report on its use from http://www.m3supercar.com/enginecare.html. I also append a place where the product can be found. It may also be available at NAPA Parts stores.
As to contaminating gasoline, how would that happen?
Yours faithfully,
spook
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BRICKBOARD POST
Re: bg44k/88] posted by Dave Stevens on
Tuesday, 31 July 2001, at 6:27 p.m.
BG44K is supposedly not a consumer product and is sold only to the trade. You can try getting it through a friendly shop or auto supplier or you can try getting it from one of the auto e-tailers. The prevailing wisdom seems to be that BG44K is an excellent, but very strong cleaner, really only appropriate for use on badly carboned/neglected engines, especially considering its cost. I mean, you don't need oven cleaner to do the dishes.
Other top end/injector cleaners you may want to try are AMSOIL PI (through distributors like our Paul S), Chevron Techron (concentrate) and Redline SI. That's more or less the order of preference I've seen. Some of the house branded injector cleaners (like GM and Mazda) are reportedly as strong as BG44K. There are many other injector cleaners out there, some may be okay, especially for routine use. Just be sure to avoid the cheaper, older solvent based cleaners that might attack the fuel system and injector seals.
Periodic use of additives (like every year or so) should be the most that's necessary if you use quality gas, your engine is properly tuned and you do a reasonable amount of highway driving. If you buy cheaper gas with minimal additives or lower octane than the engine requires or if you do strictly stop and go driving, then more frequent use (like every few months) may be required.
One of the simplest tune-ups for improving engine operation is a throttle body cleaning and a shiny new set of plugs followed by a long, high rpm drive through the mountains. I'm guessing the optimum engine speed for this is probably close to the max torque for your engine and under load. If you don't want speeding tickets, hey, just stay in a lower gear.
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AFTER-USE REPORT
BG44K
Before BG44K
Fast Idle Test
2450-3050 rpm
CO 0.22% vol. ----------- Actual Value 0.26% MOT Pass
HC 190ppm vol. --------- Actual Value 47ppm MOT Pass
Second Fast Idle Speed Test
22450-3050rpm
CO 0.20% vol. ---------- Actual Value 0.22% MOT Pass
HC 185ppm vol. --------- Actual Value 42ppm MOT Pass
Natural Idle
675-925 rpm ------------- Actual Value 695rpm
CO 0.41% vol. MOT Pass After BG44K
Fast Idle Test
2450-3050 rpm
CO 0.28% vol. ----------- Actual Value 0.31% MOT Pass
HC 180ppm vol. --------- Actual Value 48ppm MOT Pass
Second Fast Idle Speed Test
22450-3050rpm
CO 0.24% vol. ---------- Actual Value 0.20% MOT Pass
HC 170ppm vol. --------- Actual Value 35ppm MOT Pass
Natural Idle
675-925 rpm ------------- Actual Value 660rpm
CO 0.33% vol. MOT Pass
This car already felt good from the Optimax, but know it feels awesome, it hasn't gained 100bhp probably not even 10, but it picks and goes so much quicker especially off of roundabouts where gear changes on familiar roads are noticeably earlier!
"It does exactly what it say's on the tin" Use one can in a tank-full of petrol but don't go out driving and use that tank-full straight away! it takes time to work, in fact Andy Cotton at Powerflow told us "the longer its in the fuel system the better (within reason) so try and make the tank-full last at least a couple of weeks" that's what we did with great results........
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SOURCE OF PRODUCT: BG44K
http://www.storesonline.com/site/598452/product/BG%20208A.
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