since no body has pic's.. I do, LS7 lifter vs LT1 lifter
08-22-2012, 06:58 AM
#22
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If by chance you still have the stock LT1 lifter and the LS7 lifters available, can you take a pic of them laying next to each other with the side "oil holes" in view?
Would like to compare that hole location for each. I seem to remember the LS lifters having the holes higher up in the body and at one time we were questioning if this was a cause for decreased oil flow to the rockers at low RPMs (idle).
Would like to compare that hole location for each. I seem to remember the LS lifters having the holes higher up in the body and at one time we were questioning if this was a cause for decreased oil flow to the rockers at low RPMs (idle).
08-23-2012, 07:29 AM
#23
Original Delphi lifters from the L98 / LT1 days. Apparently he bought a bunch in bulk as the newer LSx lifters were being produced. These are what I got. I brought one into work (Chevy dealer parts dept) and pulled an new OEM off the shelf. I see no difference. other than like OP said. The cup looks a little different but not sure about depth. I think it's just an optical illusion from a slight design change in the cup.
http://www.skipwhiteperformance.com/...px?Item=J-2079
http://www.skipwhiteperformance.com/...px?Item=J-2079
08-23-2012, 10:46 PM
#24
If by chance you still have the stock LT1 lifter and the LS7 lifters available, can you take a pic of them laying next to each other with the side "oil holes" in view?
Would like to compare that hole location for each. I seem to remember the LS lifters having the holes higher up in the body and at one time we were questioning if this was a cause for decreased oil flow to the rockers at low RPMs (idle).
Would like to compare that hole location for each. I seem to remember the LS lifters having the holes higher up in the body and at one time we were questioning if this was a cause for decreased oil flow to the rockers at low RPMs (idle).
02-27-2013, 08:57 PM
#26
TECH Fanatic
Dont know if anyone cares but... just checked the part number for the LS7 lifters (17122490) mentioned in post #17 (page 1) on the GMpartsdirect site and they are selling sets of 8 for $30.36! You sure thats the LS7 lifter part number?
- edit - I just googled "ls7 part number" and got - 12499225. check this number on GMpartsdirect and costs $114 for 16 and does mention it for the LS7. are there different versions of LS7 lifters or was that first number just a typo??
- edit 2 - okay.. I'm a dummy... simple searching seems to show that the 17122490 are the OEM LS2 lifters... or at least the older version of the new and improved LS7's? whatever the case,... I gather the 12499225 is the LS7 lifter that is the one we are talking about. So, my question would now be... being that the 17122490 is available for half the price, are they that horrible or what? I mean, if someone is on a budget and not shooting for the stars with RPM numbers or power, $60 instead of $120 is nice, right?
- edit - I just googled "ls7 part number" and got - 12499225. check this number on GMpartsdirect and costs $114 for 16 and does mention it for the LS7. are there different versions of LS7 lifters or was that first number just a typo??
- edit 2 - okay.. I'm a dummy... simple searching seems to show that the 17122490 are the OEM LS2 lifters... or at least the older version of the new and improved LS7's? whatever the case,... I gather the 12499225 is the LS7 lifter that is the one we are talking about. So, my question would now be... being that the 17122490 is available for half the price, are they that horrible or what? I mean, if someone is on a budget and not shooting for the stars with RPM numbers or power, $60 instead of $120 is nice, right?
Last edited by hyperzone; 02-27-2013 at 09:30 PM.
01-26-2014, 02:15 PM
#28
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anybody know if this guy is selling the old Delphi lifters or the new ls 7 lifters just by looking at his pictures ebay Seller : ezrodder56 are these the real deal GM parts?
http://www.ebay.com/itm/191039700360...84.m1497.l2649
http://www.ebay.com/itm/191039700360...84.m1497.l2649
Last edited by solo20; 01-27-2014 at 11:34 AM. Reason: parts
01-27-2014, 10:00 AM
#29
Don't know who the ebay seller is but I got mine through Skip White. They are original Delphi lifters.
As for the LS7 lifters..... Well, I have a quite a few pictures of those with the same problems as lt1slowz28.
Even one from a ZR1 w/ 19k miles on it.
http://www.skipwhiteperformance.com/...roduct=Q&Sub=A
As for the LS7 lifters..... Well, I have a quite a few pictures of those with the same problems as lt1slowz28.
Even one from a ZR1 w/ 19k miles on it.
http://www.skipwhiteperformance.com/...roduct=Q&Sub=A
Last edited by SAPPER; 01-27-2014 at 10:06 AM.
01-27-2014, 11:37 AM
#30
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iam guessing there is no part number on the lifters is this correct and J-2079 are the old Delphi lifters and should I buy the old ones or the new 12499225 there is a big price difference would like to save a few bucks does it matter which ones I buy?
Last edited by solo20; 01-27-2014 at 11:59 AM.
06-20-2017, 02:39 PM
#32
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Would be nice if we could put together something like this and put in the valvetrain sticky. I dont know a ton about lifters, but this is what Ive dug up in my searches. If anyone has info to add, please do. Also, please do your own research before making any purchases to verify my information.
Lifter: LS7 stock replacement lifters
Country of origin: USA
Part Number: 17122490
Price: $139
Where to get: Texas Speed or other retailers, GM Parts Direct
Need new pushrod length: No
Pros: Price, used in LS7 7000rpm motor from the factory
Cons:
Lifter: Cadillac Race Lifters
Country of Origin: USA
Part Number: 88958689
Price: $290
Where to get: Texas Speed or other retailers
Need new pushrod length: No
Pros: designed to go 8500 RPM in race cadillac CTS-V
Cons: Horror stories of oil pressure problems
Lifter: Comp Hydraulic Roller
Country of Origin: USA
Part Number: 63-850-16
Price: $210
Where to get: Texas Speed or other retailers
Need new pushrod length: No
Pros: been around for a while, designed as direct factory replacement
Cons:
Lifter: Comp R Hydraulic Roller
Country of Origin: USA
Part Number: 63-875-16
Price: $228
Where to get: Thunder Racing, Summit, etc
Need new pushrod length: No
Pros: designed for higher RPM than standard Comp lifter
Cons:
Lifter: Morel
Country of Origin: USA
Part Number: 5206
Price: $500
Where to get: Thunder Racing and other retailers
Need new pushrod length: Yes, 0.5" shorter
Pros:
Cons: High Price
Lifter: LS7 stock replacement lifters
Country of origin: USA
Part Number: 17122490
Price: $139
Where to get: Texas Speed or other retailers, GM Parts Direct
Need new pushrod length: No
Pros: Price, used in LS7 7000rpm motor from the factory
Cons:
Lifter: Cadillac Race Lifters
Country of Origin: USA
Part Number: 88958689
Price: $290
Where to get: Texas Speed or other retailers
Need new pushrod length: No
Pros: designed to go 8500 RPM in race cadillac CTS-V
Cons: Horror stories of oil pressure problems
Lifter: Comp Hydraulic Roller
Country of Origin: USA
Part Number: 63-850-16
Price: $210
Where to get: Texas Speed or other retailers
Need new pushrod length: No
Pros: been around for a while, designed as direct factory replacement
Cons:
Lifter: Comp R Hydraulic Roller
Country of Origin: USA
Part Number: 63-875-16
Price: $228
Where to get: Thunder Racing, Summit, etc
Need new pushrod length: No
Pros: designed for higher RPM than standard Comp lifter
Cons:
Lifter: Morel
Country of Origin: USA
Part Number: 5206
Price: $500
Where to get: Thunder Racing and other retailers
Need new pushrod length: Yes, 0.5" shorter
Pros:
Cons: High Price
