Running 400whp on stock internals safe?
#1
09-01-2006 | 03:26 AM
Running 400whp on stock internals safe?
I am going to run 400whp give or take 4-5whp. Can our rev up engines take this? Am i safe? How long will my engine last? For all those running stock internals with aps st, tell me
1. how much whp/tqe u are running
2. built or stock internals
3. psi
4. where u get ur tunes
5. how many miles u have run on the engine w/ turbo, any problems?
THANK U!
1. how much whp/tqe u are running
2. built or stock internals
3. psi
4. where u get ur tunes
5. how many miles u have run on the engine w/ turbo, any problems?
THANK U!
#3
09-01-2006 | 08:22 AM
#4
09-01-2006 | 09:25 AM
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From: Eau Claire, Wisconsin
#7
09-01-2006 | 01:50 PM
there are tons of people who run 400 hp on stock motors. 400 is just about the point where you start really straining the motors stock potential. one missed gear or over rev and you will be done. i know people who have lasted a year and lots of miles with 400 and i know people who have blown engine in under a month.
good luck either way
good luck either way
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#8
09-01-2006 | 01:56 PM
Originally Posted by audiblemayhem
there are tons of people who run 400 hp on stock motors. 400 is just about the point where you start really straining the motors stock potential. one missed gear or over rev and you will be done. i know people who have lasted a year and lots of miles with 400 and i know people who have blown engine in under a month.
good luck either way
good luck either way
#9
09-01-2006 | 03:03 PM
#10
09-01-2006 | 03:49 PM
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#11
09-01-2006 | 03:51 PM
#12
09-01-2006 | 03:53 PM
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#13
09-01-2006 | 05:14 PM
Originally Posted by imalazeeass
when u say overrev, are u talking about just hitting the redline? So for those that drive the car hard, when would they normally shift with such high HP? I find it hard to avoid the rev limiter when driving really hard or perhaps when you're racing someone.
why would u rev your car that hi anyway? NA peak pw is 6400 rpm so waiting until redline is making u go slower.
The only reason why I see ppl are bouncing off the revlimiter is if the turbo is at full boost it can cause the acceleration to increase soo fast that one doesn't have the time to shift before red line.
Last edited by Mr_pharmD; 09-01-2006 at 05:21 PM.
#14
09-01-2006 | 07:15 PM
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If my math serves me right, the new Vortech Kit for the Revup engine should produce around ~362 whp (assuming the same power loss % as stock). Are you running the same risk on this particular setup as the 400 whp question?
Vortech makes their kit for stock cars. If I read some of the posts in this thread correctly, some people think the car will last a year (spirited driving of course) without serious bottom end modifications.
I guess, what I am asking, is where is the threshold (obviously this is a question of educated guests/oppinions) of rwhp where you need to start making an investment in your bottom end to protect it? $5k in the bottom end (as stated before) is about the same price as the Vortech system itself, and dropping $10k in the car for some more power makes the decision to go FI that much less appealling.
Looking forward to your responses.
Thank you
Vortech makes their kit for stock cars. If I read some of the posts in this thread correctly, some people think the car will last a year (spirited driving of course) without serious bottom end modifications.
I guess, what I am asking, is where is the threshold (obviously this is a question of educated guests/oppinions) of rwhp where you need to start making an investment in your bottom end to protect it? $5k in the bottom end (as stated before) is about the same price as the Vortech system itself, and dropping $10k in the car for some more power makes the decision to go FI that much less appealling.
Looking forward to your responses.
Thank you
#15
09-01-2006 | 08:14 PM
Originally Posted by ma_sha1
Neither Engine nor tranny is safe at 400 whp, ~480 Flywheel hp.
I am doing FI on stock internals but I am only doing 300 whp
I am doing FI on stock internals but I am only doing 300 whp
That is just not true. Tranny is more than up to the task for far more power than that, and with a quality set up and good tune 400whp is perfectly fine.
No reason at all to build a motor for 300whp. None at all.