Group A Technical Specs (r32)

[loffe]

hi!

I´m interested to know if you guys have advanced technical know how about the Group a cars that was such a success in the 90 s. Its more and more popular to build a nice time attack car, and the "top secret" know how maybee not so top secret anymore??

I think it would be very nice to know more about hardcore technical solutions, data about suspension alighments, CG, RC, scrub, spring hardness, swaybars and so on, all this information would be alot help to people today trying to show the world about the GTRs splended performance.

i´m also interested in engine tech, such as the swing oil pickup in the wet sump and so on, all this Group a candy..

I know there is a group a thread but its mostly just alot of talk about anything group a.

/Lofa

Edited September 5, 2010 by loffe

[R31Nismoid]

There was more than spring rates and swaybars mate.

There were underbody chassis mods and all sorts of business far as i am aware (as there certainly was with HR31's)

Not saying the Group A's weren't fast in their day, but given the technology and advancements of today, i cannot see why you couldn't realistically do a better job.

[Marlin]

Tech has certainly moved on since then, and they of course were built to Group A rules, so I don't know why anyone would want to stiffle their build by replicating the specifications of them.

You could PM "Jetwreck" to request some specs and settings on the Group A GTR he is involved with.

[Duncan]

while the cars were amazing in the day...things have come a long way in 20 years.

the group a cars had custom hubs and control arms for a start....very little was standard.

I have seen the alignment specs and they were not far from what most people would already choose. eg not a heap of camber or toe out. remember they were pretty heavy and tyres were not huge.

[Kaido_RR]

Be interested to see engine spec. From what i can find on the net about j- groupa was that they were limited to 500ps. And std displacment. Did they just run n1 turbos?

[Jetwreck]

Be interested to see engine spec. From what i can find on the net about j- groupa was that they were limited to 500ps. And std displacment. Did they just run n1 turbos?

bit more HP than that(the GIO car dyno'd recently at 360AWKW's on 1.5bar).....they also chased torque more that HP with them.

[R31Nismoid]

How was the response like compared to say a set of -9's which are around the ballpark for that power?

You could say -5's but they are closer to 400 @ the tyres.

[Jetwreck]

How was the response like compared to say a set of -9's which are around the ballpark for that power?

You could say -5's but they are closer to 400 @ the tyres.

....wtf are you talking about!.....lol

sorry man you lost me...elaborate please!

[mattah]

bit more HP than that(the GIO car dyno'd recently at 360AWKW's on 1.5bar).....they also chased torque more that HP with them.

"Horsepower sells cars, torque wins races."

[R31Nismoid]

....wtf are you talking about!.....lol

sorry man you lost me...elaborate please!

Garrett bolt on replacemt turbos (2860's), new tech stuff

Was wondering how they compared response wise. Obviously they would be better given 15 years of dev.

But just how much, and more importantly how do the torque curves differ

Even get the two cars onto the dyno same day just to see it all.

Would be an interesting comparison IMO, results could surprise everyone

[Jetwreck]

Garrett bolt on replacemt turbos (2860's), new tech stuff

Was wondering how they compared response wise. Obviously they would be better given 15 years of dev.

But just how much, and more importantly how do the torque curves differ

Even get the two cars onto the dyno same day just to see it all.

Would be an interesting comparison IMO, results could surprise everyone

oh....I get yah now....remember I'm only a "Spacer".

The turbo's on the motor came with the motor.....when we rebuild the ones on the current motor I'll let you know what's in em....oh and we wont be changing the spec....no need they do the job pretty effectively!

[R31Nismoid]

Awesome

I've never heard of such comparo's being done.

Will be interesting indeed!