Why would an HKS EVC IV be better than a bleed?
16 October 2002, 09:35 PM
#1
Scooby Regular
Thread Starter
Join Date: Jul 2001
Posts: 1,534
Likes: 0
Received 0 Likes
on
0 Posts
I have my car super chipped (flame suit on) Which as you know involves a basic fuel remap, removal of the fuel cut on over boost and a bleed valve. What whould be the advantages, if any of fitting an HKS EVC IV? (Boost is set at 16psi on bleed)
16 October 2002, 10:51 PM
#2
Scooby Regular
Join Date: Nov 2000
Location: 32 cylinders and many cats
Posts: 18,658
Likes: 0
Received 1 Like
on
1 Post
Superchip does not involve a fuel remap - it is only a fuel cut defender.
The EVC will give you fewer offsets between gears and different weather conditions/engine load.
Because the Superchip clamps the MAP signal it means that the ECU will not reduce duty cycle to control held boost and will just run maximum duty cycle all the time trying to achieve it. This means offsets.
If you used an HKS FCD instead of the Superchip the ECU closed loop boost control would be better, but still not as good or as user adjustable as the EVC IV IMHO.
However, power is not all about boost. A small turbo, losing efficiency if you turn the boost much higher than it is, so the (safe) power gains will be small. You will mainly benefit from quicker spool up especially in the lower gears.
In terms of bang for your buck, a bigger turbo would be better than extracting the last whimper of power out of a TD04L (assuming this is what your car has...)
By the time you add up the cost spent on an EVC and Superchip you could have got a Link ECU and better results.
[Edited by john banks - 10/16/2002 10:54:45 PM]
The EVC will give you fewer offsets between gears and different weather conditions/engine load.
Because the Superchip clamps the MAP signal it means that the ECU will not reduce duty cycle to control held boost and will just run maximum duty cycle all the time trying to achieve it. This means offsets.
If you used an HKS FCD instead of the Superchip the ECU closed loop boost control would be better, but still not as good or as user adjustable as the EVC IV IMHO.
However, power is not all about boost. A small turbo, losing efficiency if you turn the boost much higher than it is, so the (safe) power gains will be small. You will mainly benefit from quicker spool up especially in the lower gears.
In terms of bang for your buck, a bigger turbo would be better than extracting the last whimper of power out of a TD04L (assuming this is what your car has...)
By the time you add up the cost spent on an EVC and Superchip you could have got a Link ECU and better results.
[Edited by john banks - 10/16/2002 10:54:45 PM]
Thread
Thread Starter
Forum
Replies
Last Post
Scott@ScoobySpares
Full Cars Breaking For Spares
61
11 January 2021 03:08 PM
crazyspeedfreakz
Wanted
17
05 October 2015 07:19 PM
alcazar
Non Scooby Related
25
11 September 2015 08:45 PM
