Search found 196 matches

by Dennis
Tue Feb 20, 2007 8:18 am
Forum: Race Cars and Track preparation
Topic: Twin Spark Engines
Replies: 341
Views: 203655

Boy, Dennis, you sure are a tough customer! I think the Catcams 1030206 is an excellent profile for a Godzilla engine. Just make sure your engine builder can accommodate 6.5mm lift at TDC, which isn't easy at all when going for high CR. You'll need some very clever piston design. Aaaaah, now that's...
by Dennis
Tue Feb 20, 2007 5:04 am
Forum: Race Cars and Track preparation
Topic: Twin Spark Engines
Replies: 341
Views: 203655

My engine-machinist can do that too, but it's very costly. Maybe my machinist will cut me a deal, but a great "off the shelf"-cam is preffered.
by Dennis
Tue Feb 20, 2007 2:50 am
Forum: Race Cars and Track preparation
Topic: Twin Spark Engines
Replies: 341
Views: 203655

but regulations would force me to race against the IMSA's and that would be a bit hard ;)
by Dennis
Tue Feb 20, 2007 2:28 am
Forum: Race Cars and Track preparation
Topic: Twin Spark Engines
Replies: 341
Views: 203655

Mats, I want about 240 NM of torque and around 200 hp :wink: TSturbo, I didn't know the Nord cams would fit a TS. I was looking at catcams and these are the wildest cam they offer for the TS: partnr. 1030526 duration [0.1mm+s] 303 / 303° duration [1.0mm+s] 268 / 268° max. lift 13.45 / 13.45mm lift a...
by Dennis
Mon Feb 19, 2007 8:50 am
Forum: Race Cars and Track preparation
Topic: Twin Spark Engines
Replies: 341
Views: 203655

Can someone explain what is a good camshaft for a TS engine? Or know of a book I can buy on the theory? I don't know what to look for. Lift is good for torque, but what duration should I be looking at? Jim has offered to give me good advice when the flow numbers come in, but I would like to get a he...
by Dennis
Tue Feb 13, 2007 2:22 am
Forum: Race Cars and Track preparation
Topic: 75 Race car from Denmark
Replies: 7
Views: 7750

Oh, so that was you! We had so much fun watching those crazy Danes go berserk :lol: Great pics from your racer.

The yellow GTV6 in the background is mine :wink:
by Dennis
Mon Feb 12, 2007 7:14 am
Forum: Race Cars and Track preparation
Topic: Twin Spark Engines
Replies: 341
Views: 203655

I have had a quick look at the same article in RE. VERY interesting indeed. I haven't had the time to read it completely but the bosch software probably will cost a fortune.

Is there a good free or reasonably priced software package available?
by Dennis
Fri Feb 09, 2007 8:56 am
Forum: Race Cars and Track preparation
Topic: Twin Spark Engines
Replies: 341
Views: 203655

I can only speak from what I've heard, I don't have any experience. The guy who owns/claims the 230hp TS has sold me the ITB' and intake manifold because he's trying slide throttles and another intake to get more. Who am I to believe? The man who does my machining has done most of the valve seats an...
by Dennis
Fri Feb 09, 2007 5:03 am
Forum: Race Cars and Track preparation
Topic: Twin Spark Engines
Replies: 341
Views: 203655

The engine wasn't standard at all. C&B cams, ported head, forged pistons, shotpeened and balanced rods, everything else balanced BUT with the standard intake manifold, AFM and remapped ECU. I wasn't claiming it was a standard engine :wink: Losing the AFM and standard intake would allow for some ...
by Dennis
Fri Feb 09, 2007 2:55 am
Forum: Race Cars and Track preparation
Topic: Twin Spark Engines
Replies: 341
Views: 203655

Hey Micke, glad you chimed in. What can I say, I'm a terrible optimist :wink: I appreciate all the input I can get. I know that a wide torque band (for a racing engine) will compromise top end. I think I will need a wide torque band since I'm not a very experienced racedriver and will go to tracks I...
by Dennis
Fri Feb 09, 2007 1:03 am
Forum: Race Cars and Track preparation
Topic: Twin Spark Engines
Replies: 341
Views: 203655

Well I've long gone past the trackday budget. I'm just trying to save where possible and work my ass off for the needed budget. What I mean by a big hp screamer is 240 hp with the TS engine. I'm guessing, around 200 hp will do for now and keep cost where I still can afford it. If I choose to keep th...
by Dennis
Thu Feb 08, 2007 8:11 am
Forum: Race Cars and Track preparation
Topic: Twin Spark Engines
Replies: 341
Views: 203655

aaaaah, so that's what you mean! Yup, my hose is huge :twisted: It's even bigger than 7". I guess it's diameter is about 25 or 30 cm..... I lack the knowledge to choose a good cam for my engine. The pistons still have to be chosen aswell. I'm aiming at >200hp with a lot of torque over a wide re...
by Dennis
Thu Feb 08, 2007 4:57 am
Forum: Race Cars and Track preparation
Topic: Twin Spark Engines
Replies: 341
Views: 203655

Dennis: Is that COP or do you have the coilpacks hidden somewhere? Details on that dizzy convestion is also interesting. Is that a 7+" I see?? :shock: btw, IMHO there is no RAM effect what so ever on any car so keep the airbox. Big volume = more power up top. Max 10.5:1 CR? Find a new engine b...
by Dennis
Thu Feb 08, 2007 3:35 am
Forum: Race Cars and Track preparation
Topic: Twin Spark Engines
Replies: 341
Views: 203655

Mike, The trumpets are inside the airbox and are full radius :wink: I will post a pic this weekend. I will alter the airbox to my own design because the airbox isn't good. It's WAY to big so there is no ram effect. Anyone have a suggestion on my CR dilemma? I'm waving BIG schnitzels in the air.......
by Dennis
Thu Feb 08, 2007 2:33 am
Forum: Race Cars and Track preparation
Topic: Twin Spark Engines
Replies: 341
Views: 203655

Zamani, The cage is extended to the front suspension towers. I need the stiffer front end because I'm running coilovers (no torsion bars). The rear is mounted to the rear shock towers. I have some pics somewhere, but I don't know where..... :oops: Hey Mike! I will post some pics with the intake mani...