Ls1 Brunton Super Stalker
Ls1 Brunton Super Stalker Anyone built one of these?
http://www.bruntonauto.com/
I have been thinking my ls1 rx7 is a little boring lately and I hear these things can be pretty badass track cars.
1500lbs with a 400whp ls1 and 10" wide slicks.. only problem I can think of is how the hell do I keep the engine streetable/reliable and still get an oiling system that can handle 1.5 - 2G lateral acceleration in some of the corners. All while not spending more on the oiling system than the roller.
Thats what these things can hit with some aero and big slicks.
http://www.bruntonauto.com/
I have been thinking my ls1 rx7 is a little boring lately and I hear these things can be pretty badass track cars.
1500lbs with a 400whp ls1 and 10" wide slicks.. only problem I can think of is how the hell do I keep the engine streetable/reliable and still get an oiling system that can handle 1.5 - 2G lateral acceleration in some of the corners. All while not spending more on the oiling system than the roller.
Thats what these things can hit with some aero and big slicks.
Not to mention 10s at 130 with the stock ls1 and drive it home.
With such a light car you'd never break anything either. A stock ford 8.8 would be unbreakable in a 1500lb car and a stock 10 bolt would be reliable
With such a light car you'd never break anything either. A stock ford 8.8 would be unbreakable in a 1500lb car and a stock 10 bolt would be reliable
Teching In
Joined: Jan 2009
Posts: 27
Likes: 0
From: Orange, CA, USA
I've been dreaming about these for the last few weeks. My understanding is that Brunton just started selling the LS version within the last few months, so I'm not sure how many have been sold yet, much less built.
My thoughts are the same as yours, why stop at a lightweight production car chassis such as a RX7 or Miata when you can drop another thousand pounds by using a Lotus 7.
My thoughts are the same as yours, why stop at a lightweight production car chassis such as a RX7 or Miata when you can drop another thousand pounds by using a Lotus 7.
And most people dont drive their ls1 swapped rx7 or miata more than as a weekend cruiser anyway during nice days, because most dont have ac and other creature comforts. Unless you spend some good time on it they arent really daily drivers 90% of the time.
But yes they did just start offering the ls1 kit, which I thought was a good idea. I was thinking when I saw them offering the supercharged motors (I bet an ls1 would be lighter and make more power) and both are true.
I wasnt the only one who had that idea though, the reason brunton started offering it is because some of his customers got the same idea as me and did the conversion themselves, found it fit, and so brunton decided to offer it.
Big problems with this car are aero, and I would think heat management could be an issue, I cant imagine you can fit much of a radiator in there but I would think a roots supercharged v6 takes a more intense cooling system than an NA Ls1 and these cars have been running and racing the supercharged v6 in florida summers for years, so they prob have it down pretty well.
But yes they did just start offering the ls1 kit, which I thought was a good idea. I was thinking when I saw them offering the supercharged motors (I bet an ls1 would be lighter and make more power) and both are true.
I wasnt the only one who had that idea though, the reason brunton started offering it is because some of his customers got the same idea as me and did the conversion themselves, found it fit, and so brunton decided to offer it.
Big problems with this car are aero, and I would think heat management could be an issue, I cant imagine you can fit much of a radiator in there but I would think a roots supercharged v6 takes a more intense cooling system than an NA Ls1 and these cars have been running and racing the supercharged v6 in florida summers for years, so they prob have it down pretty well.
Teching In
Joined: Jan 2009
Posts: 27
Likes: 0
From: Orange, CA, USA
Yeah, the aero is horrible, I read somewhere that typical Lotus 7 drag coefficient is something like 0.65 to 0.75. Holy cow that is bad. I haven't looked into the subject, so I don't know how hard it is to make a significant improvement in that area, but I'm not planning on taking it to Bonneville anyway.
I live in Southern California and don't have too many days where lack of a/c would bother me, I think I could drive one a lot more than on just the weekends. It would make for a fun commute, that's for sure.
I'm surprised that it took Brunton as long as it did, LS power seems like an obvious choice. I can't believe there's people that make arguments against "too much power". As long as the power delivery is fairly linear, there's no such thing as too much.
I got Keith Tanner's book but haven't jumped into it yet. His website is worth a look if you haven't come across it yet (http://cheapsportscar.net/).
Where are you located?
I live in Southern California and don't have too many days where lack of a/c would bother me, I think I could drive one a lot more than on just the weekends. It would make for a fun commute, that's for sure.
I'm surprised that it took Brunton as long as it did, LS power seems like an obvious choice. I can't believe there's people that make arguments against "too much power". As long as the power delivery is fairly linear, there's no such thing as too much.
I got Keith Tanner's book but haven't jumped into it yet. His website is worth a look if you haven't come across it yet (http://cheapsportscar.net/).
Where are you located?
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Or in other words would you prefer to own 1/4 of an atom or a full ls1 super stalker?
Hell you could even get a great paint job because painting one of these is pretty much as labor intensive as painting a motorcycle or painting bumpers
Hell you could even get a great paint job because painting one of these is pretty much as labor intensive as painting a motorcycle or painting bumpers
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Verdad Gallardo BTW yes the aero sucks on these things.. even with "too much" power with an LS1 you'r looking at a top speed of like 155.
Which sounds like it sucks, but I bet that thing is scary as hell at 150+
Which sounds like it sucks, but I bet that thing is scary as hell at 150+
So when are you starting your build? 
In reality where can most of us go 150 and bring it back home safely??? Not where I live very often.
I want to build something like this. I like the black
Only thing is I'd run wider tires on the street and for the strip I'd use a set of 15x10" black racing wheels like these with some massive racing slicks for autox/ roadcourse
http://www.bassettwheel.com/images/1510_intertia.jpg
and then take the fenders off at the drag strip and strap on my 27x10.5 ET streets. They would look cartoonish on such a small car.
I'de also have a full cage. with a removable canvas top, I saw one on another car and it looked sick. I'll see if I can find the pic
Only thing is I'd run wider tires on the street and for the strip I'd use a set of 15x10" black racing wheels like these with some massive racing slicks for autox/ roadcourse
http://www.bassettwheel.com/images/1510_intertia.jpg
and then take the fenders off at the drag strip and strap on my 27x10.5 ET streets. They would look cartoonish on such a small car.
I'de also have a full cage. with a removable canvas top, I saw one on another car and it looked sick. I'll see if I can find the pic
And for the folks who say you cant carry anything in such a small car. I have the perfect solution
Garuntee even towing the trailer I could still run 12s in one of these cars with the stock ls1
Garuntee even towing the trailer I could still run 12s in one of these cars with the stock ls1
Teching In
Joined: Jan 2009
Posts: 27
Likes: 0
From: Orange, CA, USA
I also want a full cage and definitely a top of some sort. Having the sun beating down on you all day is not always fun. I think some side impact protection is a good idea too.
