Saleen vs Vortech Which is better
08-18-2010, 02:10 PM
#11
6th Gear Member
Join Date: Jan 2008
Location: North Pole
Posts: 6,716
On a fresh run (cold), I ran a best of 12.5@108mph, but can run a 12.8@105mph on a decent launch after a 15-20 minute cool down between runs.
On a heat soaked run I can still pull consistent 13.0@103.
Compared to a CAI/tune only run (13.3/13.4), so I still see improvements when it is hot.
These are all on street tires, 4.10s, auto.
With some DRs on 17s, I am pretty confident that I can hit some very low 12s (12.2/12.3). The 4.10s are GREAT off the line, but the street tires have a hard time hooking.
I highly suggest some sort of intercooler, because it does run HOT...
Last edited by stealth_GT; 08-18-2010 at 02:14 PM.
08-18-2010, 03:07 PM
#12
2nd Gear Member
Join Date: Jun 2007
Location: Tn.
Posts: 347
me personally i would go with the saleen blower...but i would make sure to get a good pulley size. for a non intercooled vortech you're looking at 3500 plus installation...when u get the intercooled one, you're pretty much in same price range as the saleen...and personally i want the tq curve instead of the hp curve and go with a 3.55 or 3.73 gear
08-18-2010, 05:13 PM
#13
2nd Gear Member
Thread Starter
Join Date: Jan 2009
Location: IN
Posts: 450
me personally i would go with the saleen blower...but i would make sure to get a good pulley size. for a non intercooled vortech you're looking at 3500 plus installation...when u get the intercooled one, you're pretty much in same price range as the saleen...and personally i want the tq curve instead of the hp curve and go with a 3.55 or 3.73 gear
08-18-2010, 05:14 PM
#14
2nd Gear Member
Thread Starter
Join Date: Jan 2009
Location: IN
Posts: 450
hmm.. not sure.
On a fresh run (cold), I ran a best of 12.5@108mph, but can run a 12.8@105mph on a decent launch after a 15-20 minute cool down between runs.
On a heat soaked run I can still pull consistent 13.0@103.
Compared to a CAI/tune only run (13.3/13.4), so I still see improvements when it is hot.
These are all on street tires, 4.10s, auto.
With some DRs on 17s, I am pretty confident that I can hit some very low 12s (12.2/12.3). The 4.10s are GREAT off the line, but the street tires have a hard time hooking.
I highly suggest some sort of intercooler, because it does run HOT...
On a fresh run (cold), I ran a best of 12.5@108mph, but can run a 12.8@105mph on a decent launch after a 15-20 minute cool down between runs.
On a heat soaked run I can still pull consistent 13.0@103.
Compared to a CAI/tune only run (13.3/13.4), so I still see improvements when it is hot.
These are all on street tires, 4.10s, auto.
With some DRs on 17s, I am pretty confident that I can hit some very low 12s (12.2/12.3). The 4.10s are GREAT off the line, but the street tires have a hard time hooking.
I highly suggest some sort of intercooler, because it does run HOT...
So i know u lose some power but can still feel it pull even when its soaked right. I mean the sc is still making more power just not as much b/cof heat soak right.
08-18-2010, 05:39 PM
#15
5th Gear Member
Join Date: Oct 2009
Location: Oregon
Posts: 2,645
Boost is just increasing the density of the air. Cold air is denser than warm air. The warmer air gets, the more it expands and the less boost you see.
Atmospheric pressure is ~14.7psi. So even if you have 1lb of additional boost you're still making more power than if you had no boost.
But yes, heat is the enemy of boost. Frankly, heat is the enemy of a NA engine as well.
My supercharger pulley is rated at ~12-13lbs of boost. On a 90 degree day with 140 degree intake temps that was reduced to 10.5 psi because of heat soak. Without an intercooler, you can expect to run those temperatures regularly depending on your weather conditions. When I'm out on the highway and have good airflow, my intake temps are usually less 70-100 degrees depending on outside temps because my intercooler brings those intake charges back down after compression. Remember, any time you compress air it's going to heat up so even 60 degree air is going to jump up after the compressor. You want that intercooler to get it as close to 60 degrees again as you can.
Atmospheric pressure is ~14.7psi. So even if you have 1lb of additional boost you're still making more power than if you had no boost.
But yes, heat is the enemy of boost. Frankly, heat is the enemy of a NA engine as well.
My supercharger pulley is rated at ~12-13lbs of boost. On a 90 degree day with 140 degree intake temps that was reduced to 10.5 psi because of heat soak. Without an intercooler, you can expect to run those temperatures regularly depending on your weather conditions. When I'm out on the highway and have good airflow, my intake temps are usually less 70-100 degrees depending on outside temps because my intercooler brings those intake charges back down after compression. Remember, any time you compress air it's going to heat up so even 60 degree air is going to jump up after the compressor. You want that intercooler to get it as close to 60 degrees again as you can.
08-18-2010, 05:56 PM
#16
6th Gear Member
Join Date: Jan 2008
Location: North Pole
Posts: 6,716
If you get an intercooler, air to air or better yet- Vortechs air/charger cooler (air/water) it'll be more consistent. I was told numerous times that because of our zero humidity up here and cooler temps than the in the lower states (75 at the most, 65 average) I wouldn't need an intercooler. I should have picked up one up like my gut told me to! lol
With an air to air + smaller pulley@10 psi boost on 90 octane gas (only one we have as premium) I'll be running consistent power@420-430whp with minimal loss. IATs hover right around 105 from what I hear, compared to the friggin' 240 it is now...
08-18-2010, 09:44 PM
#18
6th Gear Member
Join Date: Aug 2007
Location: MO/ Born and raised in Louisiana
Posts: 10,696
Boost is just increasing the density of the air. Cold air is denser than warm air. The warmer air gets, the more it expands and the less boost you see.
Atmospheric pressure is ~14.7psi. So even if you have 1lb of additional boost you're still making more power than if you had no boost.
But yes, heat is the enemy of boost. Frankly, heat is the enemy of a NA engine as well.
My supercharger pulley is rated at ~12-13lbs of boost. On a 90 degree day with 140 degree intake temps that was reduced to 10.5 psi because of heat soak. Without an intercooler, you can expect to run those temperatures regularly depending on your weather conditions. When I'm out on the highway and have good airflow, my intake temps are usually less 70-100 degrees depending on outside temps because my intercooler brings those intake charges back down after compression. Remember, any time you compress air it's going to heat up so even 60 degree air is going to jump up after the compressor. You want that intercooler to get it as close to 60 degrees again as you can.
Atmospheric pressure is ~14.7psi. So even if you have 1lb of additional boost you're still making more power than if you had no boost.
But yes, heat is the enemy of boost. Frankly, heat is the enemy of a NA engine as well.
My supercharger pulley is rated at ~12-13lbs of boost. On a 90 degree day with 140 degree intake temps that was reduced to 10.5 psi because of heat soak. Without an intercooler, you can expect to run those temperatures regularly depending on your weather conditions. When I'm out on the highway and have good airflow, my intake temps are usually less 70-100 degrees depending on outside temps because my intercooler brings those intake charges back down after compression. Remember, any time you compress air it's going to heat up so even 60 degree air is going to jump up after the compressor. You want that intercooler to get it as close to 60 degrees again as you can.
08-19-2010, 05:51 PM
#19
4th Gear Member
Join Date: Jul 2007
Location: CA
Posts: 1,914
Boost is just increasing the density of the air. Cold air is denser than warm air. The warmer air gets, the more it expands and the less boost you see.
Atmospheric pressure is ~14.7psi. So even if you have 1lb of additional boost you're still making more power than if you had no boost.
But yes, heat is the enemy of boost. Frankly, heat is the enemy of a NA engine as well.
My supercharger pulley is rated at ~12-13lbs of boost. On a 90 degree day with 140 degree intake temps that was reduced to 10.5 psi because of heat soak. Without an intercooler, you can expect to run those temperatures regularly depending on your weather conditions. When I'm out on the highway and have good airflow, my intake temps are usually less 70-100 degrees depending on outside temps because my intercooler brings those intake charges back down after compression. Remember, any time you compress air it's going to heat up so even 60 degree air is going to jump up after the compressor. You want that intercooler to get it as close to 60 degrees again as you can.
Atmospheric pressure is ~14.7psi. So even if you have 1lb of additional boost you're still making more power than if you had no boost.
But yes, heat is the enemy of boost. Frankly, heat is the enemy of a NA engine as well.
My supercharger pulley is rated at ~12-13lbs of boost. On a 90 degree day with 140 degree intake temps that was reduced to 10.5 psi because of heat soak. Without an intercooler, you can expect to run those temperatures regularly depending on your weather conditions. When I'm out on the highway and have good airflow, my intake temps are usually less 70-100 degrees depending on outside temps because my intercooler brings those intake charges back down after compression. Remember, any time you compress air it's going to heat up so even 60 degree air is going to jump up after the compressor. You want that intercooler to get it as close to 60 degrees again as you can.
With an SC regardless of mfg, an intercooler is a must. Heat is the enemy. As for the 4.10's, they are the way to go IMO, love mine. Personal opinion get the saleen, put a 3.4 or 3.2 pulley on it, some DRs, gears, clutch, 60lb injectors, CAI kit, MoSaleen pulley kit, a little suspension work, good tune, and a track time you will have a mid 11s car or better.
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