safe RPM's

Reply Subscribe

Thread Tools

Search this Thread

Jun 23, 2005 | 06:13 AM

#11

sd155racer

Staging Lane

Joined: Jun 2005

Posts: 85

Likes: 0

Quote:

Originally Posted by Tiburon

That is right..I would aldo consider some titianium retainers with what you just mentioned.

And a new tranny

Jun 23, 2005 | 06:20 AM

#12

1slow01Z71

Tin Foil Hat Wearin' Fool

iTrader: (36)

Joined: Oct 2004

Posts: 23,204

Likes: 4

From: Austin, TX

Quote:

Originally Posted by Tractionless

So for example... if I were to put a huge cam in my engine and just change the pushrods, springs, and rod bolts, I could shift the engine at around 6800 rpms? How much rpm would the stock internals withstand?

You are correct like tiburon said titanium retainers those will help. Dont bother with aftermarket rockers they arent worth it. The crank is good for about 7000 rpm rods are the main thing you have to worry about. If you really want to spin one that high then get an lq9 they have better rods and will handle the high rpm better.

Jun 27, 2005 | 09:04 PM

#13

2bseen

11 Second Truck Club

Joined: Nov 2001

Posts: 768

Likes: 0

From: scottsboro, al

I have mine set at 6500 now and thinking of going to 6600 or 6700 but I have a built motor.

Jun 27, 2005 | 09:14 PM

#14

blacksheep

TECH Enthusiast

iTrader: (1)

Joined: Dec 2002

Posts: 616

Likes: 0

From: Jackson, Mississippi

I shifted my stock lq9 at 6800 with a 200 shot, I would not recomend that but 6200-6400 should be fine.

Jun 27, 2005 | 09:27 PM

#15

litreddevil

Banned

iTrader: (4)

Joined: Oct 2003

Posts: 5,151

Likes: 1

From: From Houma La. Living n Ellisville Miss.

Quote:

Originally Posted by 1slow01Z71

Yes you need to change out rod bolts and pushrods they start to bend at 6200. If it were me I would set the rev limiter to 6100 just to be safe oyu arent going to gain much by adding an extra 100rpm.

i have never bent a push rod and my motors have seen 7000 and 7400.