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Members currently using Flashchat: 0
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The most chatters online in one day was 3, 05-15-2008.
No one is currently using the chat. |
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11-17-2008, 09:03 PM
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#11
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Captain of the Failboat
Join Date: Oct 2003
Location: warsaw,indiana
Posts: 9,228
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Hydraulic lifters work to 7000 RPM as lorenzo has proven on the dyno. Valve float would equal power loss, and there was none.
Redline is the best oil now?
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11-17-2008, 09:33 PM
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#12
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Join Date: Jul 2006
Posts: 69
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Ive wittnessed it while watching a "heads and cam" Ls1 on the dyno. From what Ive seen, you get "spongey lifters" at around 6700rpms with a stock Ls1 shortblock.
Given, the LS7 uses hydraulic lifters and it has a 1.7:1 rockers and stiffer springs to boot. But I imagine that there is a bit of power loss somewhere on the dyno as it neres redline.
I will be shifting at 7200 rpms and would rather rely on convetional hot-rodder knowlege.
__________________
95" camaro with turbo/ intercooled 99" Grand-am full motor swap & custom mounts w/ TKO600 5-speed. "update!" Soon to be "bullet proof" 3500 LX9 swap
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11-18-2008, 05:16 AM
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#13
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Iron Head Enthusiast
Join Date: Oct 2003
Location: Surrey, BC, Canada
Posts: 4,330
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Quote:
Originally Posted by SappySE107
Redline is the best oil now?
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Well that or the green Castrol Oil. But it seems it is very hard to find. If you can find another oil that uses true polyol ester base stock then I would go for that too.
__________________
1993 EXT. CAB, 3.4L V6 TBI, 5spd manual. Sonoma
1990 4Door, 2.8L V6 TBI, 5spd manual. 4X4. Trooper
Because... I am, CANADIAN
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11-18-2008, 10:00 AM
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#14
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Old School KI
Join Date: May 2005
Location: Ranson, WV
Posts: 457
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Quote:
Originally Posted by Driver_10
I'm removing and blocking the #5&6 oil squirters and widening the main-oil channels feeding the crank to boost oil flow to the mains.
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Why are you doing this? I always thought the squirters were for additional cooling, not additional oiling.
__________________
Your local OBDII moderator
2000 Grand Am GT w/ WOT parts
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Merry Christmas to all and to all shut the hell up.
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- Peter Griffin
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11-18-2008, 10:10 AM
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#15
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Join Date: Jul 2006
Posts: 69
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You also forgeting that the 3500 runs a higher c.r. on regular unleaded fuel. It needs the additional cooling. I need the oil volume at the crank. Ill be running looser clearances and more oil sheering so I cant afford the losses at the squirter.
Besides, Ill also have meth-injection and the ability to run flex fuel from time to time. I just dont need the squirters.
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95" camaro with turbo/ intercooled 99" Grand-am full motor swap & custom mounts w/ TKO600 5-speed. "update!" Soon to be "bullet proof" 3500 LX9 swap
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11-18-2008, 04:58 PM
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#16
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Old School KI
Join Date: May 2005
Location: Ranson, WV
Posts: 457
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If that was the real reason then it would need squirters on all cylinders, not just 5&6. What I'm trying to get at here is GM discovered a cooling problem with this engine in just those cylinders. The squirter is their cheapest/easiest fix for it. Removing it without any other cooling system mods may be asking for trouble. I understand that you need more oil volume. I'm just wondering if you thought about what would happen if you remove that squirter.
__________________
Your local OBDII moderator
2000 Grand Am GT w/ WOT parts
Quote:
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Merry Christmas to all and to all shut the hell up.
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- Peter Griffin
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11-18-2008, 11:50 PM
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#17
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Good at breaking stuff
Join Date: Sep 2004
Location: Quad Cities, Iowa
Posts: 2,791
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I've ran mine to ~7100 on the dyno with no float... 
I run Royal Purple 15w40
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1991 Cavalier Z24 5 speed; 13.08 @ 105.5 mph, 3500 MPFI with a few upgrades... 275 WHP
2006 Trailblazer; 4.2/Auto Bone stock (under warranty)
2004 Grand Am GT; WAI
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11-19-2008, 02:02 AM
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#18
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Join Date: Jan 2005
Posts: 354
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Quote:
Originally Posted by Superdave
I've ran mine to ~7100 on the dyno with no float...
I run Royal Purple 15w40 |
thats prob. why it doesnt float. that and u did mod the lifters.
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11-19-2008, 07:50 PM
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#19
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Join Date: Jul 2006
Posts: 69
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Quote:
Originally Posted by MidnightriderZ24
thats prob. why it doesnt float. that and u did mod the lifters.
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What kind of modding can be done to the lifters?
__________________
95" camaro with turbo/ intercooled 99" Grand-am full motor swap & custom mounts w/ TKO600 5-speed. "update!" Soon to be "bullet proof" 3500 LX9 swap
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11-19-2008, 08:59 PM
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#20
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Your Sofa Kingdom
Join Date: Jan 2007
Location: South Florida
Posts: 2,591
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Quote:
Originally Posted by Driver_10
What kind of modding can be done to the lifters?
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I just told you on the phone 
EDIT: http://60degreev6.com/forum/f96/lift...841/post366863
__________________
1990 Firebird 3.1
T04E 46 trim turbo, Front mount intercooler,
38mm Wastegate, 1.6 roller rockers
Dynomax cat-back, 24# injectors, HKS BOV
Click here to see a pictoral
3.4/3500 hybrid under construction
Last edited by ForcedFirebird; 11-19-2008 at 09:02 PM.
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