Where do you shift your stock bottom end?

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Jan 18, 2014 | 02:38 PM

DREAMZ28

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From: Hampton, VA

Where do you shift your stock bottom end?

I'm a bit iffy going over 6500 on a stock bottom end. Its got stock rod bolts and they're not getting changed, I've read that unless done properly its more hurt than harm.

I was planning on calling Martin at Tick with a 6500 rpm shift point in mind, anybody spin theirs higher? I'm not talking about SBEs that only see the track, my car is a daily driver. Trying to make good power without pushing my luck. And if possible, what cam your running and how long the power holds wouldn't hurt. Trying to get all my knowledge together for this can swap so I know exactly what I want.

Jan 18, 2014 | 02:50 PM

poltergeist 02

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I was shifting @ 6700 on my old setup but I have an 02. If I remember correctly, the pre 2000 ls1's had weaker rod bolts.

Jan 18, 2014 | 03:02 PM

Rise of the Phoenix

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6500 all day long. No worries here.

Jan 18, 2014 | 03:21 PM

HioSSilver

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From: Winchester, VA

I shift my bolt-on ls6 at 6800. Rev limit is set @ 7k. I would not be scared to turn it harder if it was still making power.

Jan 18, 2014 | 03:26 PM

Rise of the Phoenix

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I would be spinning it higher, but I'm in need of a fuel pump upgrade. When I convert over to a Super Vic/4150 TB, I'll be spinning to 8 grand. I do have ARP rod bolts though.

Jan 18, 2014 | 05:14 PM

soundengineer

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on stock internals, you are good to around 6800 safely...beyond that...its a roll of the dice.
in general, the stock Ls1 lifters arent any good past 6800 anyways.

Jan 18, 2014 | 06:02 PM

DREAMZ28

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From: Hampton, VA

Alright thanks for the advice, looks like I'll be doing a 6600-6800 shift point like I've been wanting.

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Jan 19, 2014 | 07:34 AM

JustAFooL

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From: Tennessee

Mine has been shifted at 6800 for 6k miles in a 4 year span. No issue yet.

Jan 19, 2014 | 10:28 AM

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DREAMZ28

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From: Hampton, VA

Sounds good. Its an auto so I have no worries of missing shifts etc.

And stock limiter is 6200 with a 6000 shift point, I think. Someone correct me if I'm wrong.

Jan 19, 2014 | 07:12 PM

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Rpayne41985

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I shifted my ls1 with a ms4 at 7000 rpm for a full racing season with no issues

Jan 19, 2014 | 07:50 PM

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Rpayne41985

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It was a 99 ls1

Jan 19, 2014 | 08:20 PM

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njmaster

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From: Raleigh, NC

I shift at 6600, but I think a good rule of thumb is to shift 200 rpm higher than where you make peak power.

Jan 19, 2014 | 11:39 PM

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SIG-054

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I've set mine at 7250 with a rev limit of 7800 with arp rod bolts done by the one at a time method

Jan 20, 2014 | 12:05 AM

#15

ASSJACK4000

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From: ny

7150 stock bottom end tsunami cam

Jan 20, 2014 | 07:58 AM

#16

BKsNHRA

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I been known to spin it to 6600 from time to time. Because that's as high as she will go right now! Good ole rev limiter

Jan 20, 2014 | 11:11 AM

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DREAMZ28

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From: Hampton, VA

Quote:

Originally Posted by SIG-054

I've set mine at 7250 with a rev limit of 7800 with arp rod bolts done by the one at a time method

Good god lol. I don't have the ***** or money for that. If she wasnt my DD id just throw rpm at her but I gotta rely on her. Plus I don't really trust the history of my car.

Jan 20, 2014 | 11:30 AM

#18

Inssan

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From: Peoria IL

My car is not a DD. I have katech rod bolts. I shift at 7400 and rev limiter is set at 8k. I've been doing this for a couple of years. No problems yet.