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AZjeff My friend, a 78 year old gear head, thinks that since my LGX V6 has variable valve timing that's controlled by oil pressure activated solenoids, that the Restore and Protect got into the passages of the solenoids and cleaned them out, letting them work properly.

A friend remembers using Valvoline since the 60's, but trying Quaker State because it was on sale. Same viscosity, but the Quaker State made the engine much noisier (valve clatter) while Valvoline was quiet.

I did a lot of YouTube research before committing to V-RP. The two videos from Motor Oil Geek were the biggest influences, but at least 95% plus of the other videos were also very pro-V RP, with the dissenting opinions claiming "Snake Oil' but with nothing but opinion to nase the claims. Not...

Actually, the chain reaction has already started. On Friday, 3 days after doing my Camaro, I took my wife to work. Half because a blizzard was beginning, but mostly so I could change the Amsoil out of her 2013 Edge (2.0 turbo) and switch IT over to V-RP.. It had similar results, there is still...

I had to recover/update my password, but I'm back. Earlier last summer, a friend told me about Valvoline Restore and Protect. At the time, I was a confirmed AMSOIL XL user and had even (oh, the horror) stopped changing my own oil, and letting a (trusted) shop charge me twice what an oil change...

Originally Posted By: SteveSRT8 Originally Posted By: OVERKILL Originally Posted By: SteveSRT8 It is also extremely unlikely to make a real 700 hp. But it sounds good i bet... That's my thought as well. We both know the hyperbole around "old" HP. I remember when my 300cforums guys all got...

I was just curious.

I just run the standard mix of Coolant/Water & was wondering if I would see any benefits.

AMSOIL Coolant Boost Has anyone heard of or used this? Any opinions? How does it compare to RED LINE Water Wetter?

I called them this morning and they still said the XL is good for my driving style/habits, and again stated that without using AMSOIL's secondary by-pass filter along with the factory filter, the SS is still expensive overkill.

Originally Posted By: jhellwig Did they hot rod the lawn tractor also? LOL, I don't know, it WAS behind the ropes - so they may have

Originally Posted By: AirgunSavant I bet my C-Max gets better mileage I think with the GT 500, they measure it in 'gallons per mile'

Originally Posted By: DoubleWasp That GT500 a 68 or a 69? 1969

These were in the waiting room at Gearheads* where I had all my fluids changed ... they have worked on or modded all of them. The GT 500 is in the "Over 700 hp/tq range" with a warmed over 429 Police Interceptor engine.

Now see if you can get this out of your head

When I first signed up, I thought I checked a box to receive emails when I get a post response, so far I have received 9 responses, but no email notifications. What did I do wrong?

I currently have 47,000 miles on the car, close enough to 50k that I think it's time. The reason I'm not doing it myself is because I'm in Ohio and the temps are around 29* without windchill and I don't have a garage. Total cost was $253.13 out the door ($109.50 labor and $123.24 parts +...

I have the opportunity to have my major vehicle fluids (engine, manual transmission and rear differential) fluids changed over to AMSOIL XL series for the engine and AMSOIL Severe Gear (+ posi additive for the diff) for $265 inc/tax. How much better is the AMSOIL than the GM factory fills on my...