Sydneykid

The BSM Improved Production R32GTR did a 106.3383 at Wakefield Park in Round 1 of the NSW State Championship last weekend (14/15 April 2007). Nice driving Dave and not bad for 2 x 27 mm turbo inlet restictors limiting power to under 400 bhp. That's less than 2/10th's off the lap record which was set in 2002 ie; before control tyres. cheers

Wakefield Park 14/15 April 2007, Improved Production Over 2 litres, pole position, fastest lap (1.063383) and 3 wins from 3 races. Less than 2/10ths off the lap record set in 2002 ie; before control tyres. Doesn't seem to me to be past it's use by date. cheers PS; well done to Dave and the BSM boys, all that hard work paid off.

Don’t confuse guard height with chassis height, R32/33/34’s have the front guards cut higher than the rear guards. For example 350 mm front and 340 mm rear (centre of wheel to guard) gives a 10 mm nose down rake, as measured at the sills. Other than that you have it correct, the heights are determined by the roll couple, the difference between the CoR (centre of roll) and the CoG (centre of gravity). The rear CoG is much higher than the front, hence the need for rake (nose down). cheers

I completely dissagree, I did this for a magazine article some time ago, the editor hated it because it showed a lot of his advertisers in a bad light. The idea was to take a $1600 coil over kit (not for a Skyline) and break its retail price content down to show what you get for $400 each. Then compare it to a Bilstein, Koni, Whiteline, Kings, combination for $400 per corner Coil over kit retail price breakdown; Strut top $60 Bump stop $15 Dust cover $8 Upper spring seat $20 Lower spring seat $15 Threaded sleave/case $30 Spring $80 Shock $172 Total $400 Bilstein, Koni, Whiteline, Kings; Bump stop $15 Dust cover $8 Spring $80 Shock $297 Total $400 It's easy to see that you get a 75% superior shock value ($172 compared to $297). The cost in a shock is the type of materials used (fairly minor difference) and the valving sophistication (where the real money is spent). cheers

The problem with comparing lap times is that our cars are built to CAMS regulations, usually Improved Production which means a 36 mm restrictor for a single turbo and 2 x 27 mm restrictors for twin turbo. Effectively that means less than 400 bhp for a GTR. Plus a limit of 8” wide wheels and no lightweight panels. So a 1.06 at Wakefield won't sound that fast when compared to an "unlimited" power output GTR (or Z32). All we can do is continue to beat the opposition on the day. I should also mention that races typically last 20 to 30 minutes, so we set the cars up to do the fastest 12 laps (or so). That’s a lot different to setting them up for one fast lap. For 3 years my R32GTST ran a normal Group Buy kit, nothing “special” about it. I only corner weighted it once, and that was in the last year. Since it won’t be running Improved Production any more, we will see how fast it can go with no such limitations. cheers

Use the diagnosis abilities of the power FC. Select the sensors/inputs screen on the Commander and watch the readings when the problem occurs. Look for unusual changes in voltage etc. cheers

According to Tomei; Inlet 240° with 8.58 mm lift Exhaust 236° with 8.28 mm lift Do you know how to use the search button? You had better learn because I seriously doubt that you can think of a question that hasn't been asked and answered on this forum. Most of the questions you ask have been answered 1,000's of times. cheers

Nope, the Bilsteins are a straight replacement for the standard shocks cheers

Yes cheers

20kg is too hard to measure, I use 10 mm total (both ways) deflection with one finger force on the tension side. Of course MY finger is calibrated. cheers

But that costs more money. Plus how does he know what are the right spring rates to ask for? Why? The Group Buy kit seemed OK for the 2005 NSW State Speed Event Champion. So far my R32GTST has never been bettered by another Skyline (of any model) at an SAU event. An R33GTST with a Group Buy Kit won the first round of the AASA 2007 Championship for JDM cars at QIR. etc cheers

100% rubbish. DJetro is a band aid for people who can't be bothered finding the right sized AFM and for tuners who give up because they can't cure reversion. I use this car (VMax) as an example often, it uses a Power FC and AFM's, makes well over 1,100 bhp and runs 8's at 160 mph. cheers

Standard one, just o'ring the block cheers

17 x 9 - Standard R33GTR wheels with 245/40/17's Pictures are at 340 mm front and 330 mm rear, which was too low. It's now at 355 mm front and 350 mm rear, much better ride and handling. cheers

SuperPro most definitely use different duro (hardness) to Whiteline in some applications. If he is price matching the Group Buy, then go with SuperPro to keep the installer happy, you won't have any problems. cheers

#3 cheers

Another reason for high mounting, we also only use one adjuster and one idler, no need for 2 adjusters. cheers

Is this where I get to say "I told you so"? I did advise you to go for the high mount tensioner for very good reasons. I have no idea why people think the lower mounting is better. You can use the RB30 engine mounts, but you have to modify them. The RB26 mounts are OK too, but they place the engine too high. Lower the engine, it solves all the problems you are currently having. cheers

Are you running an undertray? They save the sump from the sand blasting. My current one is alloy, based on a V8Supercar (pre Project Blueprint) Commondoor. Once I am happy with it I will get it duplicated in carbon fibre. cheers

I get about 20 PM's a week about adjustable Bilsteins for R32's, when the guys ask the Ebayer for them, they suddenly don't have any. I have, on my engineering computer, every shock absorber EVER made by Bilstein, and they most definitely are not on there. The part number is for R33GTR and R34GTR only. The R32GTR part number is for non adjustable. The Bilstein valving and adjustment accommodates a good range of spring rates, that's not the problem. The issue is you get Japanese spring rates when you buy them from Japan, if you buy them locally you get Australian spring rates. So there is extra cost when you buy them from Japan and then buying the Australian springs. At Group Buy prices this outways any cost advantage in buying them from Japan. cheers

320 mm is too low, bump stop contact is unavoidable at that height. If you want to run it at that height (not advisable) then you will need to trim the dust cover. At the moment it is too long and being trapped on the shock shaft. cheers

PM Reply sent. cheers

Hi Andrew, diagonal pitching is usually damper related, although insufficient anti roll makes it worse. I can guarantee you won't get either of those traits with the Group Buy kit installed. cheers

As per page 1, Rear Bilstein Shocks $476.00 Freight $10.00 Sub Total $486.00 PM for more details. cheers

I can arrange Noltec replacement rear arms (inc adjustable panhard rod) if you want, PM for details. cheers