Turbo'd 420a too much power for drivetrain, where to start

[GSTurbo1]

Ok guys so my car is pushing way to much power for my setup. I shift fine and power goes in smooth but when I stomp it... feels like i'm about to break a cv axle. If I put wider tires on the front I most likely would. One of my friends told me to put upgraded axles and a LSD, should this be where I go first?

 

[tkelly27]

Start with engine mounts and making sure all your suspension pieces are tight. You're making a decent amount of power, but it's not earth shattering. @ 2XXhp it's more likely something has gone bad than you twisting the CV's out of their cups. Also, it would be terrible if it was the motor moving causing the shafts to feel bad and you spent $2000 on axles and a LSD.

I think you'd be better off with a set of rebuilt axles than race axles. If you plan on going into the 300-400hp range, you may want to consider nicer axles.

 

[Slo2gen]

Thats called wheel hop.

 

[silvreclips]

You are not even close to over powering the drivetrain.

 

[bradselph]

Thats called wheel hop.

Nailed it.

 

[GSTurbo1]

I feel like i'm going to break it. . It doesnt wheel hop as much as just lighting up the tires. I'm going to to tighten up the engine mounts and check all the boots to, double check everything before I step up wider tires on rims. It just really really makes me nervous, sounds like i'm riding behind a jet engine once I start to spool.

Oh and I bumped my boost controller up to 12 lbs. of boost I was only making 233hp on 5 lbs. Its apples to oranges comparing the two. Just havent got it dyno'd, i'd say close to 300hp on 12lbs. and probably a little over 300hp on twenty pounds. Not that brave/stupid to try it.

 

[bullettdsm]

Weak point of our tranny's is the diff. It can't take the one wheel launches and burnouts because of the design. It can actually take the power but only if you keep from doing one wheel burnouts (which is hard to do sometimes). LSD would be a good (but expensive) upgrade.

The only choices you have for LSD's are the Quaife and the OBX. The Quaife you would probably have to get used. It is difficult to find because it is only made in batches (over $1000). The OBX is not a good unit "out of the box". But if you buy one that has been "worked" (as in all the defects in the unit have been fixed), its not a bad piece. But that will run you around above $500.

I've put over 500whp through the stocker, Cesar has, Hahn has (hell Zero put over 700whp through the stocker), so the tranny itself is no slouch. It has limitations on shifts above 8000rpm, but that's a different story.

MB

 

[glowryder]

^ this.. and we have told you before in your other posts..

-poly MM
-Front bolt mod
-LSD , I prefer quaife ( i have one FS if your interested)
-Clutch

I agree with rebuilt axles, cheap to replace..

What are your suspension mods..those will assist to.. wider tires are not the answer here.. as we've told you before in other posts.

As for the Q batches thats deff true. I think they just did a batch as well, but i think they do like a "group by" where they get like X amount of ppl to pay in advance, then they order.

 

[Slo2gen]

Also since you have MS, you NEED to make sure your car was tuned for over the amount of boost you got it on. If not then you could be in for a rude awakening soon.

 

[glowryder]

^ good point.. i forgot about that.. im going to assume that its not tuned on 20 Psi, since you were unable to get the MBC working while tuning.. sounds dangerous..

 

[GSTurbo1]

^ this.. and we have told you before in your other posts..

-poly MM
-Front bolt mod
-LSD , I prefer quaife ( i have one FS if your interested)
-Clutch

I agree with rebuilt axles, cheap to replace..

What are your suspension mods..those will assist to.. wider tires are not the answer here.. as we've told you before in other posts.

As for the Q batches thats deff true. I think they just did a batch as well, but i think they do like a "group by" where they get like X amount of ppl to pay in advance, then they order.

I'm going to be hitting you up soon on that LSD, I have coil overs and thats about it as far as suspension. I have aftermarket motor mounts.

 

[glowryder]

The mounts are a good, start.. do the bolt mod, then clutch LSD etc. sounds like u have a decent grasp, but id leave the boost low untill you get that Tune right for high boost, and the wheel hop under controll. wheel hop kills things..

 

[GSTurbo1]

Oh I forgot to say... I keep my lap top in my car and my maps are dead on. I custom construct them. On a cruising load I run about 13.5-14.5 Afr and under hard load 11.0-11.5 AFR. From my research that is about the best fuel ratio plus o.k. gas mileage. I want to lean it out a little more but would rather stay rich to be easy on the internals.

glowrider- I have learned so much about this car from you guys, you in particular bud. I really really appreciate it.

 

[96TurboGS]

Just to update on the deal i recently came across:

Modern performance did the last group buy for Quaifes on the .org, they later bought extra units to keep them from dying:

Drivetrain - Quaife Limited Slip Differential 95-05 Neon

Picked one up several days ago for this price, so I can tell you first hand they still have a few of these in stock. Catch them while supplies last @ this good price. Only other place you can find them new is on eBay for $1350, overseas.

 

[GSTurbo1]

Nice!!! Thanks man.

 

[99 gs iowa]

jus recently boosted my 420a as well, an same thing im not for sure if im just worrying my self but since i half been boosted an stock everything besides motor an fuel set up im worried that something is going to go out on my stock drivetrain