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Rb30de Vs Vz Alloytec 3.6

...Joshwa

By ...Joshwa,
in Engines & Forced Induction

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LUME Enthusiast

LUME

Posted
Posted

i have raced 2 gtst's in my n/a i beat my mates r33 gtst and i had a r32 pull half a car on me

my gearing i dont thin it is standard as i hit limiter in second im jsut sitting on 100 kays ????? :S

...Joshwa Contributor

...Joshwa

Posted
  • Author
Posted
i have raced 2 gtst's in my n/a i beat my mates r33 gtst and i had a r32 pull half a car on me

my gearing i dont thin it is standard as i hit limiter in second im jsut sitting on 100 kays ????? :S

in your n/a as in n/a what. . rb25?? alloytec??

Does anybody know what a stock vz (or with min mods like exhaust, cai) will do down the quarter. .

I know my old vl, stock RB30E did a 15.9. .

Im guessing a vz will do a high 14- mid 15

LUME Enthusiast

LUME

Posted
Posted
in your n/a as in n/a what. . rb25?? alloytec??

Does anybody know what a stock vz (or with min mods like exhaust, cai) will do down the quarter. .

I know my old vl, stock RB30E did a 15.9. .

Im guessing a vz will do a high 14- mid 15

my 33 sorry i sorta went off topic

nIsMo86 Experienced

nIsMo86

Posted
Posted
I've been hearing good things with turbos on the VZ engine, apparently they're pretty good when the compression is dropped.

The alloytec motor is the same as saab uses in the 93 aero...V6 turbo. The saab version is an awesome motor.

LUME Enthusiast

LUME

Posted
Posted
lol i hit redline at like 70/80ks in my 33, with turbo box. was an NA, but not anymore....

lol mine still na im going to do the turbo conversion..my gearings a bit tall so it takes a long time for my car to wind up

Silhouette-R Enthusiast

Silhouette-R

Posted
Posted
Does anybody know what a stock vz (or with min mods like exhaust, cai) will do down the quarter. .

Im guessing a vz will do a high 14- mid 15

When I went to the drags with my friend (who owns a VZ SV6 = alloytec 195 3.6lt) he ran a 15.9 but the biggest let down with those cars is the clutch it slips far to easy. He had a bit of an exhaust upgrade but not much. If they had a decent clutch, light flywheel, zorst and short diff ratio (3.7 - 4.11) they would reel off a low - mid 15 down the quarter.

The best I've got out of RB30DE so far is 15.5 @ 91mph, but that was with a shit diff ratio (now have a 4.11 spool) so no traction over the 60ft with the single pegger and it was still rather warm, my motor should be good for a mid 14 as it sits.

  • 2 weeks later...
r34_25GT Contributor

r34_25GT

Posted
Posted (edited)
I have both... a VZ storm with 3.6ltr Alloytech and an R31 with RB30DE.

Even on a basic running in tune the RB30DE is far more responsive and generally better all round than the Alloytech.

id have to disagree with you on that.. and yes i have owned both as well... the VZ pulled like no tomorow from 40ks onwards and was definately faster in a straight line race..

Edited by r34_25GT
Nosmo Enthusiast

Nosmo

Posted
Posted

Maybe mines a dud...? Uses more fuel than a 5ltr Monaro,5.7ltr SS and 6.0ltr SS. Even Holden cant explain whyit uses so much fuel... They have tried tuning, injectors, FPR, sensors, the list goes on and on...

Doesnt matter how I drive, whether towing a trailer or completely empty I just cannot get fuel consumption down to reasonable level.

Mines is very flat off the line, pulls OK to about 110ish and falls over after that...

My RB30DE on the other hand...

  • 2 weeks later...
  • 4 months later...
BigDaddyCool Newbie

BigDaddyCool

Posted
Posted

Have you guys ever dragged a VZ Executive on a 3.08 diff, headers, hi-flows......... custom tuned (not by a tuner who just does it quickly in 1 day). They will eat a skyline for breakfast (if tweaked properly - not even near potential).

Your right alloytechs are good above 4k .......... tune them up (not avg tune).......... they flog a sv6.........

Mines strong off the line, once u get out of the 1600rpm (spark advance -1's) ....... (which I have for fuel econ) ......... the car plants into the road and takes off...... When I hit my 4000 range the torque jumps like 3-5% instantly on mine......... it's just like a turbo, suddenly engine free immediate pull even when going fast up the range.

I raced a few skylines, mostly N/A........ flog em everytime. One I come across was a R34T? ....... white, better looking them most, it had a mad exhaust, obviously all custom seemed like it was turbo......... he thought he'd be a smart arse........ so we didn't really drag, I just stayed in first gear and kept crusing up n then he decided to plant it......... second later I was gone....... smoked him. I think alot of skyline owners dont know about the above 4000rpm on alloytechs.

I respect skylines tho as u can do them up immensly....... but just like alot of commondore owners.......... they dont and hence they get wipped.

By now, most know the alloytech engine has been deemed a "torque monster".

PS. Funny thing with the turbo skyline i dragged, normally even tuned i thought it'd get me......... but that day i decided to adjust my ve tables, optimal engine torque and air demand for torque........... and pumped up my 4-6k rpm range......... and it seriously even stunned me how quickly i owned that guys face.

Alloytechs are very explosive, lots of fun tuning them............ as long as keep at it, u turn like a slug into a v8 effect off the line into a turbo feel above 4k rpm.

Personally I'm waiting for the SV6's to come out with direct injection.......... they'll be lots of fun in the coming years.

mad082 Grand Master

mad082

Posted
Posted
Have you guys ever dragged a VZ Executive on a 3.08 diff, headers, hi-flows......... custom tuned (not by a tuner who just does it quickly in 1 day). They will eat a skyline for breakfast (if tweaked properly - not even near potential).

Your right alloytechs are good above 4k .......... tune them up (not avg tune).......... they flog a sv6.........

Mines strong off the line, once u get out of the 1600rpm (spark advance -1's) ....... (which I have for fuel econ) ......... the car plants into the road and takes off...... When I hit my 4000 range the torque jumps like 3-5% instantly on mine......... it's just like a turbo, suddenly engine free immediate pull even when going fast up the range.

I raced a few skylines, mostly N/A........ flog em everytime. One I come across was a R34T? ....... white, better looking them most, it had a mad exhaust, obviously all custom seemed like it was turbo......... he thought he'd be a smart arse........ so we didn't really drag, I just stayed in first gear and kept crusing up n then he decided to plant it......... second later I was gone....... smoked him. I think alot of skyline owners dont know about the above 4000rpm on alloytechs.

I respect skylines tho as u can do them up immensly....... but just like alot of commondore owners.......... they dont and hence they get wipped.

By now, most know the alloytech engine has been deemed a "torque monster".

PS. Funny thing with the turbo skyline i dragged, normally even tuned i thought it'd get me......... but that day i decided to adjust my ve tables, optimal engine torque and air demand for torque........... and pumped up my 4-6k rpm range......... and it seriously even stunned me how quickly i owned that guys face.

Alloytechs are very explosive, lots of fun tuning them............ as long as keep at it, u turn like a slug into a v8 effect off the line into a turbo feel above 4k rpm.

Personally I'm waiting for the SV6's to come out with direct injection.......... they'll be lots of fun in the coming years.

i thought school holidays were finished.....

Ultimategtr Proficient

Ultimategtr

Posted
Posted (edited)

lol.

I have to agree tho, those sv6's are a good engine.

I raced one too ages ago - when i had a massive misfire issue. and we were pretty even but he slowly pulled away. However, I could hear him fully revving out 1st and 2nd, where as I didnt rev much(around 5-6k only)

Next day - took my car to soichi and found:

* crap plugs

* coils arcing

* timing retarded to 12 instead of 15!

* boost solenoid f**ked - causing massive creeps to 15psi.

Now, after new plugs, setting the timing, taping up the coils, and adding my MS-IBC ebc, the car was a different machine. It pulls harder then my mates 200rwkw 25t.

Now I just want another run with that sv6.

Edited by Ultimategtr

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