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  Topic Review (Newest First)
06-02-2019 10:45 AM
Jamari Thanks for all the replies!

I live at altitude (~4500ft) so I was considering the supercharger. After doing some more research it looks like the REV300 would be fine for me power wise. My only concern with it is how necessary is a different clutch? Could it be "downtuned" as it were to not produce a ton of power? I would like to avoid going down a rabbit hole of having to replace a ton of stuff, and I don't want a lot more power in the car since it's not tracked or autocrossed just driven for pleasure. Also it's low mileage (just under 9k)

Regarding the Torque 200 tune I've seen mentioned: Unfortunately I can't drive a car with it but I do like the concept of the tune giving it a bit more torque. I just don't know enough about it unfortunately. =/

Incidentally I took the hardtop off this week and it's SUCH a blast.

Thanks to everyone who replied, you've been super helpful.
05-27-2019 08:50 PM
marcinr It has been reliable It never broke down on me. I have about 15,000 track miles on that car, that is a LOT. That's a couple of hundred hours near redline. When you do that, bearings wear out, cylinder tolerances get looser, but the car still runs, just down on power, so at some point, you decide to rebuild. The joys of tracking...

My point is that the engine never blew, never overheated, with a supercharger that was used quite heavily.
05-27-2019 06:08 PM
not-a-number
Quote:
Originally Posted by marcinr View Post
it's been completely reliable the whole time. I've done two engine rebuilds
This is a great quote
05-26-2019 08:56 PM
me73 @Jamari - why not drive the car as is for a while and get to know it before adding power. If you get used to driving it on cam you may find that the car makes plenty of power as is. It's an incredible car as is.
05-20-2019 10:31 AM
marcinr Since I live in the fascist state of CA, I added the factory supercharger many years ago. While people may pooh-pooh it, it changes the character of the car completely. All of a sudden, you have mid-range torque, even though the high end doesn't feel all that much more powerful. 2nd cam kicks in at 4400 RPM, and not 6200, and the transition is absolutely seamless, just the noise changes, which means the crossover point is tuned correctly.

Since I installed my factory SC about 8 years ago now, I've racked up ~13,000 miles on track with this thing, and it's been completely reliable the whole time. I've done two engine rebuilds since stuff wore out, but the S/C is still working great.

So, even if you get the factory SC, you will love the car, you will just spend the most money to get the least additional horsepower
05-20-2019 03:09 AM
fzust
Quote:
Originally Posted by Trick Wheels View Post
You are correct, for a quick street car, supercharging is great! Especially if it came from the factory with a supercharger (yeah - all 238 U.S. Elise SCs).

If we are talking maximum performance, IMO, turbocharging is the only way to go.

A turbochargers thread would bring some opinions. LOL

Sorry, no trades.
Depends on what you mean by "maximum performance". When I had a turbo on our XP car, it was always a battle to get on the throttle early enough to build boost and out early enough to keep the torque rush from ripping the tires loose. For me, anyway, in AutoX the turbo was terrible. Alot of people make it work very well, I was not one of them. On the track this may be less of an issue since it is an autox on a 4X scale. More time take advantage of the slight advantage of power and efficiency and larger corner radii to minimize the boost onrush issues.
05-17-2019 08:04 AM
Trick Wheels You are correct, for a quick street car, supercharging is great! Especially if it came from the factory with a supercharger (yeah - all 238 U.S. Elise SCs).

If we are talking maximum performance, IMO, turbocharging is the only way to go.

A turbochargers thread would bring some opinions. LOL

Sorry, no trades.
05-16-2019 10:42 AM
NoRawkus305
Quote:
Originally Posted by Trick Wheels View Post
I own two 2011 Elise SCs. Both have Cup airboxes and Lotus Stage 3 exhaust systems. Otherwise they are stock.

The 2011 Lotus brochure states a 0-60 m.p.h. time of 4.3 seconds and 0-100 in 10.8 seconds for the Elise SC (145 m.p.h. top speed with the hardtop on). My cars might be slightly quicker, as the Stage 3 also saves 12.3 lbs. over the stock exhaust system.

I don't race my Elises, so I don't care about heat soak or what the ultimate supercharger setup is for track Elises.

I agree with Robocop310. My SCs are fast enough for me.

In fact, they are the most fun cars I have ever owned (which is why I recently bought a second one).

The factory supercharger spools up incredibly fast and it doesn't care what gear you are in - just mash the pedal and it goes. What's wrong with that?
Nothing wrong if your cars came with it already. I think the point being made was why spend on something that is known to not perform optimally when there are other options in a similar price range or even less that are better. Passing smog seems to be the key factor but there are ways around it if the OP wants to go thru the trouble, if any, based on the tunes. In the end, it's the OP's decision. Awesome that you have 2 SC Elises btw. Trade me one
05-16-2019 09:45 AM
Trick Wheels
SC vs. NA

I own two 2011 Elise SCs. Both have Cup airboxes and Lotus Stage 3 exhaust systems. Otherwise they are stock.

The 2011 Lotus brochure states a 0-60 m.p.h. time of 4.3 seconds and 0-100 in 10.8 seconds for the Elise SC (145 m.p.h. top speed with the hardtop on). My cars might be slightly quicker, as the Stage 3 also saves 12.3 lbs. over the stock exhaust system.

I don't race my Elises, so I don't care about heat soak or what the ultimate supercharger setup is for track Elises.

I agree with Robocop310. My SCs are fast enough for me.

In fact, they are the most fun cars I have ever owned (which is why I recently bought a second one).

The factory supercharger spools up incredibly fast and it doesn't care what gear you are in - just mash the pedal and it goes. What's wrong with that?
05-16-2019 08:20 AM
LionZoo
Quote:
Originally Posted by fzust View Post
For a while I toyed with building the Ultimate NA 2zz road-going Lotus, the math just wasn't there.
I was tempted to do that as well. However, there wasn't a good option for engine management that kept the readiness codes (kind of needed to "pass" CA smog). What I wanted was a flash tune for a NA build, but nobody had that.
05-16-2019 03:19 AM
fzust
Quote:
Originally Posted by oldmansan View Post
I don't think anyone is against a REV300/400. The vast majority feel the MP45 isn't worth paying for, and that anyone considering one is probably better off with a NA tune.

San
Ahhh, I see. Very good point, San! I wasn't addressing the non-MP45 options out there as you guys are correct the MP45 isn't worth it....not at all.... On most OEM cars you can have a hot version of the car which is glorious high-revving NA, which is automotive purity and sublimity(is that a word? If not, it should be) i.e. GT3(9,000rpm), GT350(8,250), etc etc. When the OEMs do boost, they drop the RPMs and make HP with the boost. 911 Turbo S(6750rpm) or C7Z06/ZL1(6500rpm). Lot of OEM-ish reasons for that. So while my first and foremost favorite is that high revving NA, the blower Lotus cars, (MP45 not withstanding), don't sacrifice that high-revving nature. They just feel like bigger motor NA screamers.

For a while I toyed with building the Ultimate NA 2zz road-going Lotus, the math just wasn't there. The SC is easy and works so well. At a certain level, power is power. Ask a Tesla owner....

Again, truly not trying to push a particular point of view, rather trying to share as someone that has done all of these things and trying to explain the nuance of why I landed where I did. I do agree if funds are an issue AND someone is confident that MP45 power is all they would ever, ever, pinky-swear want. Then do the reflash with some headers and be done. Unfortunately, there is never enough power for me. RevX is the result of me badgering Phil for a couple of years....
05-15-2019 06:28 PM
oldmansan
Quote:
Originally Posted by fzust View Post
As you guys know, We've had about everything on the car over the years: Turbo(hated it), BWR Non-IC SC kit, Custom Whipple setup, and now the TVS400. TVS400 is night and day difference. Just feels like a big motor. 11 sec 1/4 mile car out of the box.

On the emissions front, we've passed in AZ multiple times, which at one point was HARDER than Cali. Now they are the same, plug in the OBDII, do a visual, check gas cap, done. To the OP, check your local laws. CARB is by its very nature, california specific. NV has their own stuff, but if I was guessing, same as AZ. People that say just chip the NA car, just haven't driven a TVS400.

Full disclosure, we sell the TVS400. We have 3 Eliges all have blowers.

FWIW
I don't think anyone is against a REV300/400. The vast majority feel the MP45 isn't worth paying for, and that anyone considering one is probably better off with a NA tune.

San
05-15-2019 05:05 PM
fzust As you guys know, We've had about everything on the car over the years: Turbo(hated it), BWR Non-IC SC kit, Custom Whipple setup, and now the TVS400. TVS400 is night and day difference. Just feels like a big motor. 11 sec 1/4 mile car out of the box.

On the emissions front, we've passed in AZ multiple times, which at one point was HARDER than Cali. Now they are the same, plug in the OBDII, do a visual, check gas cap, done. To the OP, check your local laws. CARB is by its very nature, california specific. NV has their own stuff, but if I was guessing, same as AZ. People that say just chip the NA car, just haven't driven a TVS400.

Full disclosure, we sell the TVS400. We have 3 Eliges all have blowers.

FWIW
05-15-2019 04:45 PM
jasonious I have an 05 with a factory supercharger. Picked it up used on this board for 1500 bucks. Installed by the local dealer for 1500 so all in 3K with new factory ECU flash, installation warranty and dealer paperwork. I love it, if only for the whine. Actually gives quite a useful down low torque boost. Different strikes for different folks I guess.

My motivating factor was long term support. So many aftermarket kits have come and gone in the last 10 years and parts support can get dicey.

I am not tracking this particular car, so for my purposes, it works out great. Plus as mentioned above, you can't go wrong with factory parts at resale time.
05-15-2019 04:06 PM
glb If one worries about resale, the factory s/u is usable in all US states; others are not, esp in CA.

Chips such as Torque 200:

In 2006, I got a (non-BOE) chip for Elise. PES not in that business now.

The most salient benefit was the elimination of the large valley before cam changeover. (IIRC, a ~20 hp gain at that point, but not at other rpms.)

https://www.lotustalk.com/forums/f25...erience-37912/

It was quicker in my testing: 3500 rpm to redline, same road and gas level; 1 second quicker. Pretty good.

2 yrs ago, got the BOE 300. No other changes, e.g. stock exhaust, but BOE uses their foam air cleaner.

---
The thing to remember about superchargers is the instant torque they deliver, down low.

This, a pleasure and easier to drive.

BOE shows the TQ200 @180 hp/136 tq (which may mean the hp at crank is ~212)

That is better than my old chip, but that tq is still pretty anemic and, worse, peaks at 6900 rpm.

Even the Exige S managed 159 tq (@ crank, ~187?) at a reasonably low 5500 rpm.

I cannot accept that 2 equal cars will perform the same using TQ200 vs factory supercharger.

----

I've said before that butt dynos are of no use to us. Try clocking your car before/after mods. I chose 3rd gear because it was long enough to minimize tiny timing errors and didn't want to introduce errors by incorporating any shifts.

I will post my new time (same road) soon.
05-15-2019 03:21 PM
oldmansan
Quote:
Originally Posted by ScottH83 View Post
The only current "kit" that has an intercooler is the BOE Rev400. That one has an air to water intercooler that is integrated into the intake manifold with a side mount radiator.
The only other one with an intercooler was the VF2 kit but that one is no longer made. The rest are non-intercooled.

Sent from my SM-G950U using Tapatalk
That's not quite right. If you're going to do the REV400 right, you'll use the front-mount HEX kit. BOE will credit you for the REV400 parts not needed when you purchase the HEX kit. https://www.boefab.com/collections/p...heat-exchanger

San
05-15-2019 01:24 PM
ScottH83
Quote:
Originally Posted by daz01 View Post
Also... anyone tell me where the intercooler on the Elise go? The Exige back is bigger and blocks the rear window. How is it fitted in the Elise ?
The only current "kit" that has an intercooler is the BOE Rev400. That one has an air to water intercooler that is integrated into the intake manifold with a side mount radiator.
The only other one with an intercooler was the VF2 kit but that one is no longer made. The rest are non-intercooled.

Sent from my SM-G950U using Tapatalk
05-15-2019 12:31 PM
daz01 Also... anyone tell me where the intercooler on the Elise go? The Exige back is bigger and blocks the rear window. How is it fitted in the Elise ?
05-15-2019 12:15 PM
daz01 The Katana is out of stock when I asked about buying one.. looks like they are re-designing it? Worth awaiting on that?
05-15-2019 12:12 PM
Robocop305 I'm satisfied with my factory SC for now. I don't track or race my car. I may change my mind if I decide to track it.
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