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I was going ot that 425 BHP classic SBC 350 would require more than than spark timing adjustments. In general all "Otto cycle" spark ignition engines need to fire the spark in advance of TDC which is defined as 0 degrees. So the absolute timing point is negative degrees relative to TDC. In most...

The SBC 350 (Small Block Chevy) with a mild tune is usually set for Static Timing advance of 10 Degs BTDC. I think yankfan101's post is probably refering to setting the static timing advance to 22degs BTDC. Though without other mods this may be too much advance. This would be done by setting the...

I'll try. The first thing is to understanding displacement volume is to plot the Valve timingand lift graphically. The standard for this is use 0 degs the represent tdc at the beginning of power stroke. The point of maximum compression. BDC at the end of the power stroke occurs at 180 degs...

Apart from changing the basic displacement and combustion chamber volume no one has mentioned changing the cam. The effective or dynamic compression ratio determined by calculation of the piston position at IVC (Intake Valve fully closed) and deriving a ration from the actual volume displaced...

Basically it depends the super charger design as to whether they need oil or not. My Magnussen TVS2300 roots uint is sealed for life and uses some form of high pressure grease/or oil rather than since internal bearing are mounted at each end of the rotating pump rotors. By contrast a Rotrex...

A more successful solution would be to use a small Supercharger. This technique called compound charging was used during the Group B rally car era - e.g on the original Audi Quattro's in the early 80's used a supercharger and turbo in series. Is also used today on VAG TSI engines. You will need...

If this was my project I'd look at the cam numbers on the Turbo derivatives. To start plot the Cam profile as a function of crank position on a full 720 deg cycle. The US Comp Cams Website have an cam selector which will plot their cams has an basic engine simulator. This link will let you...

No Problem:). I have similar issues since my car (A VXR8) has limited suspension options on offer here so 1 have looked over the pond at what's available over there for for The US equiv (a Pontaic G8). TEIN are in the Top 4 Off the self suppliers. Engine options for 5.7L LS1 engine are Huge...

There are 25.4 mm to an inch so to convert a tyre width in mm to inches divide by 25.4. .7 or 70% is a factor to account for the laterally loaded (sideways squish) that keeps the radial's contact patch flat relative to the road. It relative to the sidewall stiffness. Car Bibles has a tyre page...

225 width tyres will can be fitted onto rims between 6 and 7.5 inches the ideal is (225*.7)/25.4 = 6.2 inchs or 6 or 6.5 inch rims. The edge of the new tyre will be 10mm closer to the inside of the wheel well and suspension components, and 10mm further out from the edge of the bodywork if keep...

Have a look at US tuning sites. There quite a few suppliers over there that offer kits for the 300C. E.G Tein's USA site lists a few options here. http://www.tein.com/price/chrysler.html

There are 2 Natural oscillation frequencies that apply to car suspension systems. One is the sprung mass frequency which defines what frequency the car body will oscillate at once set in motion. This rate determines the ride quality perception of passenger. The second is the unsprung mass...

I would agree - a far better look is to use Ultra low profile tyre's and larger wheels. Though you loose grip and reduce ride quality due the reduction in tyres springing rate, deformation. Car bras are even more hideous - I wouldn't fit one any car I own.

It depends whether you are exceeding the maximum RIM width the TYRE and wheel manufacturer recommends for the RIM. AS long you stay in within these ther is no issue. Fiiting the narrowest tyre onto a rim can reduce the tyre sideways deformation under hard cornering which helps grip. The down...

Hi Guys Thanks for the replies. After some research I think I might have found a Suitable Candidate. It seems that Renault used the The ML5T and ML6T boxes and the ES9 J4S engine in the Phase 1 Renault Clio V6 And V6 Laguna (Renault engine Code was L7X) Though they switch to Nissan V6...

Hi, Has anyone found a 1.5 way Geared Torque biasing Diff to fit the ML5T 5sp Gearbox? In the longer run I am looking to fit some form of FI but haven't found any suitable diffs. I can only find Diffs for BE3 gearbox not the ML5T.

Thanks the update - It doesn't look like the BE3 diff unit will fit my box. Do You know what full code number for the V6 Box - My local dealer hasn't been that helpfull - I'll ask Quaife if they have done one for this application before. Maybe fortune will favour me. Sadly if I can't source a...

The V6 Coupe - like my 406 V6 Saloon has the ES9 J4S PSA V6 engine in it. Porsche retuned this earlier ES9 J4 engine for Peugeot which involved head porting, intake and exhaust manifold mods using twin cats. In the std manifolds and heads are considered good enough for most motorsport...

Hi all, I am currently looking for Limited Slip Differential for a Peugeot 406. The 406 range use the Peuget BE3 5/6speed Gearboxes. Does anyone know what other models use these gear boxes. Quaife and KAAZ offer diffs for Peugeot various models but don't list the 406 as an application.

I have had a look at the Rotrex SC and it is a possibility though I rekon the installation the sc + intercooler ducting and so forth will need a fair amount custom installation work also the left side the engine already cluttered and the stock throttle body is on the wrong side. My current...

Initialy I am planning to uprate the suspension - probably with a Weitec suspension kit Ultra GT 40/40mm (this kit uses progressive springs and comes the Weitec GT dampers). After that a body kit and respray. Engine wise a set of fast/road (sg 1/2) cams cold induction kit + a remap. Gearbox an...

Hi I have just joined this forum. I own a 406 V6 Exec Saloon which which I have owned from new after 120k plus of relatively trouble free mileage. The only issues I have experienced have been with the SAGEM coils on the spark plugs. One usually the one the ones on the back 3 cylinders would...