ZZP series 1 ROLLER ROCKERS 1.8 ratio?! - Page 5 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


Performance, Brainstorming & Tuning Talk about modifications, or anything else associated with performance enhancements. Have a new idea for performance/reliability? Post it here. No idea is stupid! (please use Detailing and Appearance for cosmetic ideas)

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Old 10-23-2006, 11:02 AM   #41
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Quote:
Originally Posted by Regal_Kid_05
Are the 93/94 L27 heads a direct swap to the previous 92'*?
Yes. And the 93-95 L67 heads are identical.
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Old 10-23-2006, 01:29 PM   #42
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Is everything else the same, such as pushrods, etc?
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Old 10-23-2006, 02:05 PM   #43
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Yes, as far as the valve train goes. All but the rockers and bolts.
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Old 10-23-2006, 03:05 PM   #44
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Quote:
Yes. And the 93-95 L67 heads are identical.
Did I interpret this right that are you saying that the 93-95 L67 heads are aslo interchangeable with the L27'*?
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Old 10-23-2006, 03:47 PM   #45
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Quote:
Originally Posted by Regal_Kid_05
Quote:
Yes. And the 93-95 L67 heads are identical.
Did I interpret this right that are you saying that the 93-95 L67 heads are aslo interchangeable with the L27'*?
Ok, for the third time in this topic:

93 and 94 L27 heads are identical to 93-95 Series 1 L67 heads.
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Old 10-23-2006, 04:27 PM   #46
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Quote:
Originally Posted by willwren
Quote:
Originally Posted by Regal_Kid_05
Quote:
Yes. And the 93-95 L67 heads are identical.
Did I interpret this right that are you saying that the 93-95 L67 heads are aslo interchangeable with the L27'*?
Ok, for the third time in this topic:

93 and 94 L27 heads are identical to 93-95 Series 1 L67 heads.
Yes No diffrence...

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Old 10-24-2006, 01:06 AM   #47
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All i want to know is if these would be worth the time and money to put on my Regal.
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Old 10-24-2006, 01:39 AM   #48
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Quote:
Originally Posted by CUSTOM93RC
All i want to know is if these would be worth the time and money to put on my Regal.
The rockers? They'll give you a gain.

But the L67 heads are the same as what'* on your 93 Regal.
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Old 10-24-2006, 02:09 AM   #49
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Again, let me know if I should make a new topic...

The '95 heads I have had supposedly around 150k miles. Should I "rebuild" them or have them rebuilt before installing the ZZP rockers? What'* involved? Should the springs be replaced? Pushrods? Sorry I don't totally understand valvetrain.

And, should I use an L67 head gasket? Is it any better than an LN3 gasket?
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Old 10-24-2006, 09:34 AM   #50
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ill check to see if the part number for the gaskets are the same should be.

rebuilding a head would involve alot of stuff u cant do... you dont have the machines. they shave the head, put new vavle guides (go with bronze ones they make less friction) should be new vavles (stainless if you can find them), new vavle angle job.

doesnt always require new springs but while your in there do it please. definatly new keepers and retainers. tried doing it once with out doing new keepers (i mean they had a nice tit on them it should have been ok...) those things dropped a vavle within the year...

get new lifters while you have it torn apart. the old ones are probably plenty gone by now
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