Roush TVS + BAD BAD weather

Salferaih · Sep 3, 2017

Hello

I'm a new member here put I live 8000 miles away from the US . I would like to thank you all for this wonderful Forums .

you guys helped many people in my region to learn and understand about their cars . keep up the good work

OK first things first . I'm new to the forced induction world and I'm gonna go straight to subject.

I just bought the Roush supercharger (didn't install it yet) . it's the phase 1 kit to be exact .

So I made a decision that I want the most powerful setup/mods available without pushing my engine to the limits (Saftey is always a priority LOL)

so I decided to order the 675hp kit from VMP . that includes JLT CAI-82mm pulley-VMP tuning and other goodies

After sending some emails to VMP and Lund racing regarding the estimated HP range after tuning they told me it's between 550-600
Is these numbers looks fair to you guys?
1- Keep in mind I live in the middle east region. The only choice for fuel here is RON95 (I think its the same as 91 Ocatne in the US)

2- the weather is really nasty in here (I MEAN REALLY) . we are talking about 122° in summer. (I live at the sea level BTW)

So with this kind of fuel plus the bad weather . do I have a chance to make good numbers ? Is there any risk for damaging my motor with 82mm pulley ? (Especially with weather/heat factor)

And what other mods you guys suggest ? I'm thinking about Id1050X- Fuel pump booster-high flow elbow- (and of course the VMP Heat exchanger because of the flamming summer here) . am I gonna need any of these for my application ?

My car is 2014 5.0 with Automatic transmission 3.15 with 43K miles so far.

lots of people warned me about putting a blower in my car because my engine will not last too long (Again, the weather thing) . I need your help for making my decision .

Thanks in advance .

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5lho · Sep 3, 2017

Two problems....shit gas and hot temps. Not the best combination for a blower.

The stage 1 kit doesn't have a very good heat exchanger. Getting the upgrade is smart here. In your situation, you need as much heat exchanged as possible. That means bigger HE, more fans running virtually constantly.

Run Redline water wetter too.....

GNBRETT · Sep 3, 2017

I would go Turbo then cause in 122 degree heat all ur gonna see it HEAT SINK from a blower.

your motor won't last a week in those temps with poor gas with a Blower. ull detonate the first night out!

A good Turbo Kit with the proper intercooler will battle any high temps you have and you can run a Turbo on 91 octane. u just have to tune for it.

you already have an Auto and their preferred when going Turbo.

Once ur done buying all the cooling mods you could have bought a Turbo kit instead which will make more HP and TQ.

Riddick · Sep 4, 2017

You mentioned it gets up to 122 in the summer but what about at night, what is the temp the rest of the year? It sounds like you already bought the kit so we have try and help you make the most of what you have. Do you have access to race fuel, 100+ octane? If not you can purchase some octane booster which will help, many of the boosted cars on pump gas run this. I know Lucas makes one, its a few bucks a bottle and works pretty good. Should get you in the 93-94 octane range if you add a bottle every time you fill up.

Is the base heat exchanger Roush offers a triple pass heat exchanger? If it is it should do fairly well, if not get the VMP triple pass. Lots of people say to get the fanned heat exchangers but unless you are sitting in traffic or idling a lot I really dont see a benefit. If you live in a open area the non fanned exhanger will be fine. As mentioned above, it will be a good upgrade and purchase the VMP triple pass heat exchanger if the Roush supplied one is not a triple pass.

I would opt for the JMS Fuel Max over the VMP fuel booster. Although I have never heard of a VMP overheating the pump I would feel safer with the JMS, especially since you are in a hot area. I believe the VMP booster runs continously at 18 volts, while the JMS is activated by throttle position (only comes on during WOT). The more voltage your fuel pumps see the more heat they will produce, heat will kill your pumps eventually. Its all personal preference though and I have not heard of any failures with the VMP but in your environment I would look at every advantage.

Are you looking for a specific hp number. If not I would have the car tuned on a 85mm pulley and have a tune for the 82mm pulley. On really hot days slap the 85mm pulley on and have fun. Another option you can have is to have two tunes for the 82mm pulley. Have one fairly aggressive and have the second one with a few degrees of timing pulled out for those hot days.

You will get 100 different options here on what to do, I would contact the tuner you plan on using and see what they recommend. Another thing to consider is adding a 170 thermostat and upgrading to a GT500 fan, both will help keep engine heat down. Less heat means less chance of detonation.

RDJ · Sep 4, 2017

You live in Kuwait?

what have you done to your suspension / brakes?

Salferaih · Sep 5, 2017

GNBRETT said:
I would go Turbo then cause in 122 degree heat all ur gonna see it HEAT SINK from a blower.

your motor won't last a week in those temps with poor gas with a Blower. ull detonate the first night out!

A good Turbo Kit with the proper intercooler will battle any high temps you have and you can run a Turbo on 91 octane. u just have to tune for it.

you already have an Auto and their preferred when going Turbo.

Once ur done buying all the cooling mods you could have bought a Turbo kit instead which will make more HP and TQ.

Well, I can't go with turbo simply because of the high cost for parts and installation . I got the SC for a very price
So it's two option for me. Installing the blower or sell it and live with N/A
that decision will be based on the reliability and keeping my car in a good shape for years to come

The only scary part for me is the WEATHER . so I need an advise in this subject specifically .

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Salferaih · Sep 5, 2017

5lho said:
Two problems....shit gas and hot temps. Not the best combination for a blower.

The stage 1 kit doesn't have a very good heat exchanger. Getting the upgrade is smart here. In your situation, you need as much heat exchanged as possible. That means bigger HE, more fans running virtually constantly.

Run Redline water wetter too.....

Yes I'm gonna buy the VMP HE as they recommend also
The water wetter seems to be a great idea for additional cooling

And other suggestions will be much appreciated

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biminiLX · Sep 5, 2017

Every cooling system upgrade (engine and blower circuits), conservative tuning, heat extractor hood (Tiger racing), meth injection.
TVS combo on your car is great fun, so go for it--the challenge will be more rewarding

-J

Salferaih · Sep 5, 2017

Riddick said:
You mentioned it gets up to 122 in the summer but what about at night, what is the temp the rest of the year? It sounds like you already bought the kit so we have try and help you make the most of what you have. Do you have access to race fuel, 100+ octane? If not you can purchase some octane booster which will help, many of the boosted cars on pump gas run this. I know Lucas makes one, its a few bucks a bottle and works pretty good. Should get you in the 93-94 octane range if you add a bottle every time you fill up.

Is the base heat exchanger Roush offers a triple pass heat exchanger? If it is it should do fairly well, if not get the VMP triple pass. Lots of people say to get the fanned heat exchangers but unless you are sitting in traffic or idling a lot I really dont see a benefit. If you live in a open area the non fanned exhanger will be fine. As mentioned above, it will be a good upgrade and purchase the VMP triple pass heat exchanger if the Roush supplied one is not a triple pass.

I would opt for the JMS Fuel Max over the VMP fuel booster. Although I have never heard of a VMP overheating the pump I would feel safer with the JMS, especially since you are in a hot area. I believe the VMP booster runs continously at 18 volts, while the JMS is activated by throttle position (only comes on during WOT). The more voltage your fuel pumps see the more heat they will produce, heat will kill your pumps eventually. Its all personal preference though and I have not heard of any failures with the VMP but in your environment I would look at every advantage.

Are you looking for a specific hp number. If not I would have the car tuned on a 85mm pulley and have a tune for the 82mm pulley. On really hot days slap the 85mm pulley on and have fun. Another option you can have is to have two tunes for the 82mm pulley. Have one fairly aggressive and have the second one with a few degrees of timing pulled out for those hot days.

You will get 100 different options here on what to do, I would contact the tuner you plan on using and see what they recommend. Another thing to consider is adding a 170 thermostat and upgrading to a GT500 fan, both will help keep engine heat down. Less heat means less chance of detonation.

Yeah on summer its 122° under the sun . but at night it's between 95-104°
For the rest of the year it could drop to 69° approximately . so we are in seeing and cold weather here at all . keep in mind I live near the sea with high humidity all the time

About the fuel as I mentioned the best here is 91 Octane . but we have the Boostane products in some car stores. So I can adjust the Octane level from time to time (specially in summer )

The base heat exchanger that comes with my kit is not triple pass , therefore ill upgrade to the VMP heat exchanger

For the fuel Booster . what's the difference between VMP and JMS ? I have no idea about that

The pulley that comes with the kit is 85mm and im thinking about upgrading to 82mm , all the local garages here told me to stay away from the 79mm cause it will be putting to much pressure to the engine and creates a massive heat because of the weather here. So currently I'm confused between 85-82mm

I have the Mishimoto Performance Racing Thermostat - 160 Degree. and I don't know if it's good or not. Is there a significant difference between 160-170 degree Thermostat?

The GT500 fan will be on my list now thanks for this advice

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Salferaih · Sep 5, 2017

RDJ said:
You live in Kuwait?

what have you done to your suspension / brakes?

No I live in Saudi Arabia . Jeddah city

For suspension , I have steeda sway bars (front and back) - bmr panhard bar - bmr upper & lower control arms . I'm thinking about have some good springs with a little drop (0.5 to 1 inch) not more than that range. because our streets is a total nightmare LOL .

The brakes is still stock (non brembo) . IDK what to get exactly . brembo and roush kits is insanley expensive here so I'm looking for another options for my budget

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Salferaih · Sep 5, 2017

Is there any benefits from the open CAI like JLT 123mm or a closed box roush will be better for the hot weather ?

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RDJ · Sep 5, 2017

Well at least you have some of the basics. Frankly I would put in full length sub frames and upgrade the brakes before doing much else. Have not driven in Saudi but have in Kuwait can't say which is worse but I am betting there is not much difference lol

Salferaih said:
No I live in Saudi Arabia . Jeddah city

For suspension , I have steeda sway bars (front and back) - bmr panhard bar - bmr upper & lower control arms . I'm thinking about have some good springs with a little drop (0.5 to 1 inch) not more than that range. because our streets is a total nightmare LOL .

The brakes is still stock (non brembo) . IDK what to get exactly . brembo and roush kits is insanley expensive here so I'm looking for another options for my budget

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98 svt · Sep 5, 2017

Water/meth injection sounds like a perfect candidate.

Riddick · Sep 5, 2017

Salferaih said:
About the fuel as I mentioned the best here is 91 Octane . but we have the Boostane products in some car stores. So I can adjust the Octane level from time to time (specially in summer )

For the fuel Booster . what's the difference between VMP and JMS ? I have no idea about that

So currently I'm confused between 85-82mm

I have the Mishimoto Performance Racing Thermostat - 160 Degree. and I don't know if it's good or not. Is there a significant difference between 160-170 degree Thermostat?

Boostane will work but you will have to change out your plugs on a annual basis. The boostane and Torco additives will eventually foul your plugs, they turn them a orangish/brownish color, this does not harm your engine at all, its from the toulene (ingredient used to increase octane). Another suggestion would I will make is to buy some colder spark plugs, ask your tuner what he prefers.

The difference in the fuel boosters is the VMP is always running at 18 volts. The JMS is activated by throttle position, cruising around with the JMS will run less power to the pumps where the VMP will supply 18V all the time. This has not been a issue but in your climate the cooler your pumps are the longer they will last....... more voltage means more heat.

The 85mm pulley will net you roughly 8 psi where the 82mm will net you roughly 10 psi. Your octane is going to be your limiting factor here.

Keep your 160 thermostat as it will be perfectly fine.

As someone stated above you definitely need a meth system, this will keep your charge temps really low and you will not have to add the boostane or octane booster. Do some research on meth/alky set ups as this is the way to go in your case. I would actually put that on top of your list of parts to buy.

DSG2003Mach1 · Sep 5, 2017

make sure VMP understands what the octane rating is for your fuel and I would request that the tune aggressively pull timing when IAT2 exceeds the predetermined threshold to help prevent detonation.

Meth can be great but on the other hand its another potential failure point and if it fails your motor is history. With the coyote setup monitoring for knock I dont know if a system like the J&S safeguard would be worth messing/needed with or not

LuuisHernandez · Sep 20, 2017

I have a kenne bell and live in the California desert. Temps get to about 110 and I have had no problems. It's tuned on 91 octane.

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ricardoa1 · Sep 22, 2017

You have lofty goals for power. But you can pull timing and make it all work. You might not even have the density in the air to need a BAP.

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03Sssnake · Sep 22, 2017

A bigger badder HE isn't going to do a lot for you in those temps, it won't hurt, just wouldn't rely on it alone. I would look into a Killer Chiller and water/meth injection kits.

https://killerchiller.com/products/2010-2014-s197-mustang-kit

Sizeth3 · Sep 27, 2017

I wonder if a centrifugal with a big intercooler, and meth injection might make more sense for his application. Only in boost when you're in it, which could be offset by the meth.

biminiLX · Sep 29, 2017

Sizeth3 said:
I wonder if a centrifugal with a big intercooler, and meth injection might make more sense for his application. Only in boost when you're in it, which could be offset by the meth.

Agreed but he already has the TVS. need to maximize it and if funds allow, ALL the cooling mods, especially HE w/ fans and water/meth and boostane.
How many miles do you put on it? The auto/stock converter loves the TVS and you'll have great street torque just gotta keep,it cool.
If 91 only option (no E85/E98/race gas) then water/meth.
-J

Roush TVS + BAD BAD weather

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