Question about my lift

**viper1_2001** · 07-02-2009 08:09 AM

The cam in my Denali has .550 lift, I got to thinking the other day is that too much for my stock springs?

**farmtruc** · 07-02-2009 11:55 AM

stock truck springs yes, ls6 2002 springs, no.

**AKlowriderZ71** · 07-02-2009 12:06 PM

Yep, need to upgrade those springs. Do you already have hardened pushrods?

**viper1_2001** · 07-02-2009 09:14 PM

ik I have the springs I need to find the time to put them in, pushrods no I don't

**viper1_2001** · 07-02-2009 09:40 PM

I can't run 1.85 or 1.8's with stock heads with that cam, can I?
Trying to see what my options are

**AKlowriderZ71** · 07-03-2009 12:12 AM

Originally Posted by viper1_2001

I can't run 1.85 or 1.8's with stock heads with that cam, can I?
Trying to see what my options are

My cam is .551 lift, and I'm running 1.8 Crane Gold race rockers with no troubles. You'll be fine.

Pushrod length depends on the base circle of the cam. May want to check with the cam manufacturer.

Do you have a valve spring compressor? I'd be happy to loan mine to you, but I'm a ways away...

**viper1_2001** · 07-02-2009 10:09 PM

what length of pushrods do I need

**viper1_2001** · 07-03-2009 02:52 AM

Do you have the type you can compress the springs without pulling the heads, I need to find one of the air adapters to keep the valve seated. the cam is based off a Z06 cam, so whatever stock pushrods are

**AKlowriderZ71** · 07-03-2009 11:43 AM

I have the Crane tool. Replace 2 springs at the same time. I still think you should call the cam manufacturer to ask about pushrods.

**viper1_2001** · 07-03-2009 05:51 PM

will do

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