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How is 97-98 different?

Generation III Internal Engine 1997-2006 LS1 | LS6

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How is 97-98 different?

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Old

Mar 3, 2004 | 01:58 AM

#1

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How is 97-98 different?

I have been reading and have seen that the valve covers are different I was wondering if there is anything else that is different.

Old

Mar 3, 2004 | 02:31 AM

#2

Launching!

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From: Oceanside CA

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Essentially, no. The "perimeter bolt" heads are the biggie. As with every year, there were always slight changes in the ports and/or chamber. The rod bolts and pushrods were troublesome. GM put out a couple of tech bulletins to their dealers about replacing them if there was a problem. They advised to tell people to keep it under 5800 RPM, if I remember correctly. Why? Some rod bolts broke, and bent pushrods were fairly common.

Old

Mar 3, 2004 | 02:35 AM

#3

LSX Mechanic

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Valve covers
Heads
PCM
Wiring Harness
Coolant Sensor in Driver's head
Bigger Injectors
Bigger Fuel Pump
Guage Cluster

Old

Mar 3, 2004 | 02:46 AM

#4

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SO will heads off a newer LS1 go on mine? I was gonna get AFR heads if they ever get there act together or will I just have to get different valve covers?

Old

Mar 3, 2004 | 04:06 AM

#5

SN95 Director

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all ls1 heads are interchangable. you'll just need accompianing vavle covers and/or coil pack brackets.

click the info link in my sig.

Old

Mar 3, 2004 | 04:20 AM

#6

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Thanks I was worried for a minute.

Old

Mar 3, 2004 | 12:09 PM

#7

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Are the perimeter bolts that big of a deal?

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Old

Mar 3, 2004 | 03:33 PM

#8

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I know lots of people with 98 ls1's doing 7K rpms daily for 2-3 years now with NO PROBLEMS or oil consumption issues

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Old

Mar 3, 2004 | 03:40 PM

#9

98SS Blackattack

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Yea 98's are faster.....lol

Old

Mar 4, 2004 | 01:25 AM

#10

Launching!

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From: Oceanside CA

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Quote:

Originally Posted by 98 T/A raptor

Are the perimeter bolts that big of a deal?

Only if you want stuff like valve covers or spacers.

Old

Mar 4, 2004 | 05:03 AM

#11

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If I get AFR heads if they ever come out then it wont matter right.

Old

Mar 4, 2004 | 05:27 AM

#12

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Quote:

Originally Posted by 98 T/A raptor

If I get AFR heads if they ever come out then it wont matter right.

just get whatever heads you want the appropriate vavle covers/coil packs :shrug:

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