[Andre]

If you have 5 minutes to spare, check out my recent in-car video from Pocono Raceway. There is a mean FABSPEED exhaust sound (my stock tail-pipe broke-off at Lime Rock, so I got a 3" cat-less exhaust) and a nice sequence of professional track-side photos in the end.



http://www.youtube.com/watch?v=zb1nhBqaPrU



I am not driving 968 as my wife strongly discouraged taking our cream-puff 968 cab to the track. However, she let me get a 1989 944 Turbo coupe for this duty (I am so lucky) and this thing is awsome, when boost kicks in. I do miss the instant torque of 968 coming out of slow corners though. So, my "968" number stays.



Question - I am only putting racing pads up-front and keep the stock ones in the rear. Is it a reasonable compromise to save costs or racing pads have to be all-around?



Andre

Partial Post: Please Login or Register to read the full post.

[Jim Child]

Question - I am only putting racing pads up-front and keep the stock ones in the rear. Is it a reasonable compromise to save costs or racing pads have to be all-around?

It's a reasonable compromise in my opinion. With a more aggressive pad up front you're just dialing in more front bias. That's not optimal, but its not a big deal for a car that is occasionally tracked just for fun. If it evolves into a track only car then you'll want to put racing pads in the back eventually, but you can wait until your budget allows.

Partial Post: Please Login or Register to read the full post.

[flash]

hey - what's with the shot of the car with no "chassis brace"?

Partial Post: Please Login or Register to read the full post.

[Andre]

My bad. The avatar shot is from autocross event and the brace is not requiired there ;-)

Partial Post: Please Login or Register to read the full post.

[flash]

lol - ah - well, send me a shot of the brace in your car - i'm collecting them

Partial Post: Please Login or Register to read the full post.

[333pg333]

It's also not difficult to change out the pads when you track the car. By putting the race pads on the back it will help the front brakes not overcook. Also the 951 will put more stress on your brakes so best to do as much as you can in regards to your mods there. Get the 968cs underbody air deflectors. A cheap way of getting some cooler air to the brakes.

Partial Post: Please Login or Register to read the full post.

[Andre]

[quote name='333pg333' post='43472' date='Nov 11 2007, 08:47 PM']It's also not difficult to change out the pads when you track the car. By putting the race pads on the back it will help the front brakes not overcook. Also the 951 will put more stress on your brakes so best to do as much as you can in regards to your mods there. Get the 968cs underbody air deflectors. A cheap way of getting some cooler air to the brakes.[/quote]



Thanks for the advice, I will try to get those. Is there a good source for these parts, besides dealers? Anyone on this forum has an extra pair of deflectors?

Partial Post: Please Login or Register to read the full post.

[Jason Judd]

I think I have a set if you're interested.



Jason

Partial Post: Please Login or Register to read the full post.

[Eric_K]

Besides the deflectors, you will need some way to mount them to your control arms. The 951 will not have the mounting holes on the arm. Somebody used to make a kit for that, but I don't recall who.

Partial Post: Please Login or Register to read the full post.

[333pg333]

At some stage you'll want to upgrade your suspension too. Looks like fairly stock in there. Main thing is you look like you're having fun though.

Partial Post: Please Login or Register to read the full post.

[Andre]

Yep,



It is ton of fun and I have a stock M030 suspension. You are right - coilovers, adjustable camber plates and billet A-arms, stiffer bushings would help a lot in the corners. One of these days I will call Paragon or Farnbacher Loles in Danbury to make this happen.



I have to prioritize though and safety seems like a good item number one. Racing seats, 5-point, roll bar/cage and a Hans device are on my Xmas list. I had a couple of hairy moments last Saturday at Lime Rock and I don't want to be missing these things next season!



Jason, thanks for the info - I will try to find the mounting kit for the deflectors and will get back to you.



Andre

Partial Post: Please Login or Register to read the full post.

[RS Barn]

Andre,

You should come to the Barn sometime. I am the 951s chassis and motor setup guru.

My former cars include 88 951S and Rothmans 951 Turbo Cup. Dec 2004. Excellence

Pete

Partial Post: Please Login or Register to read the full post.

[pazzer]

Hey Pete, i'm thinking of coming over to the barn, in the new year though, might take the missus on a long weekend in new york, and pop over to your place for the day, what is it about 60 miles from NY, any news on a price for the ultimate engine yet dude, getting itchy fingers and need to know whats what regarding performance for the car, do i bang a supercharger on my 60k miler for 350bhp and see if she holds together, cost around 7k GBP, or go for a full rebuild with cams, gasflowed head etc, and know in the back of my mind that i have a good strong engine that will last, or go the turbo route but i have no idea how much that would cost any ideas, looking forward to your reply pm me the engine spec please pete and the costs, many thanks chris. <img src="/forum/images/smilies/968/cool.gif" class="smilie" alt="" />

Partial Post: Please Login or Register to read the full post.

[333pg333]

[quote name='RS Barn' post='43776' date='Nov 19 2007, 01:42 PM']Andre,

You should come to the Barn sometime. I am the 951s chassis and motor setup guru.

My former cars include 88 951S and Rothmans 951 Turbo Cup. Dec 2004. Excellence

Pete[/quote]

Pete, just to get your take on it. There is a fairly lively debate on another well known website at the moment about the front to rear proportion of spring rates on our cars. This is on 951's but it's all in the family. People are quoting factory settings and others are refuting or suggesting that things have changed since yesteryear. Do you see any real change since then and would you set a 968 up with the same proportion as a 951?

thx



Patrick

Partial Post: Please Login or Register to read the full post.

[RS Barn]

[quote name='333pg333' post='43800' date='Nov 20 2007, 01:21 PM']Pete, just to get your take on it. There is a fairly lively debate on another well known website at the moment about the front to rear proportion of spring rates on our cars. This is on 951's but it's all in the family. People are quoting factory settings and others are refuting or suggesting that things have changed since yesteryear. Do you see any real change since then and would you set a 968 up with the same proportion as a 951?

thx



Patrick[/quote]



Patrick,

I hear all sorts of Spring rates front to rear as optimal. On the 951 in particular the rear needs to be a bit softer than the math tells you to put the power down exiting the corner... It also matters what kind/style of driver you are. I prefer exit speed to entry speed. I like the car to be relaxed at 9-10 tenths not skitterish or on the edge. I think people are over using springs as the end all and not paying attention to the sway bar balance and type.

The type of shock /strut makes a big difference also. There are three types of shocks. Oil, low pressure gas and high pressure gas. You need different spring rates with all.

I generally set up 968 same as 951. You could use a little more rear spring on 968 due to smoother power delivery on exit.

Pete

Partial Post: Please Login or Register to read the full post.

[333pg333]

I think this is more the case for older type of shocks. Without harping on too much about KW's and I'm sure some other brands, they have the release valves that allow you to have the benefits of a stiffer spring setup yet not bounce/skip all over the track on uneven surfaces. Quite remarkable. I have a pretty stiffly setup car (616 f 708 r)yet can ride in more comfort on the road than I could on my old Mo30 system. That includes solid bushes all round too. The difference on the track almost justifies the cost for the custom made setup. lol

The increase in traction is also outstanding.

I agree with you on the sway bar settings plus tyre type/brand/pressure etc.

Patrick

Partial Post: Please Login or Register to read the full post.

[RS Barn]

I have isues with valving on KW Varient 3

I drove a car on street with LEDA's with 850 front and 900 rear w/o T-bars and damping set low. It rode pretty well on street.

Stock MO30 does ride harsh/weird. I know why also.

Pete

Partial Post: Please Login or Register to read the full post.

[pazzer]

any info for me yet pete, regarding engine build, really need to know soon to sum up whether i go na route or supercharger,let me know asap please,cheers chris. mail info to chris.parry3@homecall.co.uk

Partial Post: Please Login or Register to read the full post.