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I Gained 17 Rwkws With Tomei Poncams.

bigcarl

By bigcarl,
in Engines & Forced Induction

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bigcarl Experienced

bigcarl

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when i drive on low boost 14 psi the power comes on more progressive, 231 rwkws on low does not feel like 231rwkws on high with the old gcg turbo, it feels less violent coming onto boost. on high boost 21psi theres nothing under 2500 rpm where it starts making boost , if you roll out in first gear or second gear with half throttle its very tractable but as soon as it hits 3000 to 4000 rpm the car will break traction . even though the car now with gt30 is 500rpm laggier than it was with gcg turbo , what it has lost down low it more than makes up for when she hits full boost! i think the car was a lot more tractable with high flow , but i think shes alot more fun to drive now.

bigcarl Experienced

bigcarl

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with the addition of cams going from 260 rwkws to 277 doesnt seem like a whole lot but the car feels like a totally different car to drive, more midrange as well as top end. i thought that the 260 atwheels felt good but 277 rwkws is awesome. i cant wait to get some nittos and go drag racing at calder! i just think that the car is a lot of fun to drive now.

180bfj20det Community Regular

180bfj20det

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I dont know what setup you have but maybe you need to look into your suspension setup. Maybe your car is too low and this is shit for hooking up. I have a datto with this exact problem....230rwkw GT30 with 0.82 and the thing is useless in the first 2 gears... and i mean useless!!! In third it will spin all the way to 160 if I want it too.....but my car is TOO low and has bad CAMBER which will all change when I get round to it (slotting read end and raising it heeps). I have a stock 180sx and this thing hooks up very very well...to the point where it will on lift off and flat shift 1st to 2nd put you back in your seat and you can feel it in your neck (kinda like a wrex take off). Whats your suspension like?

R31Nismoid Grand Master

R31Nismoid

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i cant wait to get some nittos and go drag racing at calder! i just think that the car is a lot of fun to drive now.

i've got some drag semi's if you dont wanna buy a brand new set and just want em for a night of rental ;)

bigcarl Experienced

bigcarl

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tried gtech 0 to 100 again , the best i could do was a 5.8 second , that was with 3000rpm side step the clutch feed the power in , back of a tad as wheels break loose then change gear and half to three quarter throttle and breaking traction completely from 80 to 100 km/h. got home decided to check tyre pressure and realised tyre pressure still set at clost to 45 psi from being on the dyno. will lower tyre pressure for better take off next time . surely i can at least pull a low 5 sec 0 to 100 on street tyres??? did anyone see the recent test on hoosier drag radials in the lateset zoom magazine out now. their 300rwkw soarer went from 12.4 to 11.6 quarter mile and they are only 225/50/16s!

Robo's Mentor

Robo's

Posted
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BigCarl

Sorry to say but you need some serious tyres. I got Toyo RA1's and they are sensational. Before i could spin everytime in 2nd gear with my old tyres, but when these things are warm, i can get full traction in first gear.

Tried 0-100 and got 4.7 with only one run. I cant wait to hit the strip for a low 12.

Cubes Grand Master

Cubes

Posted
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more power but 0-100 times go backwards. :D

My little old RB20DET used to run 0-100 in around 5.2secs, the rb30det making slightly more power gets there in 5.9secs. :D

First gear is completely useless, the 5.9sec 0-100 is launching at 3000rpm in second. Diesel power.. :)

Sydneykid Grand Master

Sydneykid

Posted
Posted
more power but 0-100 times go backwards. ;)

My little old RB20DET used to run 0-100 in around 5.2secs, the rb30det making slightly more power gets there in 5.9secs. :)

First gear is completely useless, the 5.9sec 0-100 is launching at 3000rpm in second. Diesel power.. :)

Time for some decent suspension?

;) cheers :)

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