LQ4 with 706's and a cam - pushrod length?
10-18-2020, 02:58 PM
#11
Teching In
Thread Starter
Run a stock head gasket.
I highly suggest larger injectors too depending on what it has now. The stock 25lb/hr are barely big enough for a stock 6.0, add a cam and you will push 90-95% or more duty cycle. Getting it tuned as soon as possible is needed too.
Sorry can't tell you exactly what push-rods to buy.
I highly suggest larger injectors too depending on what it has now. The stock 25lb/hr are barely big enough for a stock 6.0, add a cam and you will push 90-95% or more duty cycle. Getting it tuned as soon as possible is needed too.
Sorry can't tell you exactly what push-rods to buy.
Ya think it'll still run okay on 92? I have hp tuners, so I suppose I could always dial back my spark tables to work, right?
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BOCEPHUS777 (10-18-2020)
10-20-2020, 08:46 AM
#13
Soooo...installed an LY6 with 862s that were cut .010 and I was getting two full turns to tighten the rocker. Thing sounds like a sewing machine. I bought 7.375 from Frankenstein on eBay for $70. I'll report back this weekend and see what happens....
12-02-2020, 11:00 AM
#15
my bad. Didn’t see the response. It’s a summit 8718. So I installed the shorter 7.375 Frankenstein pushrods. It’s marginally quieter but I can still hear the sewing machine pretty bad. I understand headers don’t quiet anything down. So. Gonna try the 7.350s tonight and report back. I was still getting nearly two full turns after zero lash on the 7.375s.
12-03-2020, 11:05 AM
#17
12-03-2020, 10:17 PM
#18
my bad. Didn’t see the response. It’s a summit 8718. So I installed the shorter 7.375 Frankenstein pushrods. It’s marginally quieter but I can still hear the sewing machine pretty bad. I understand headers don’t quiet anything down. So. Gonna try the 7.350s tonight and report back. I was still getting nearly two full turns after zero lash on the 7.375s.
12-04-2020, 09:57 PM
#20
Isn’t 1 turn .050? And that’s factory lifters...
https://www.enginelabs.com/engine-te...oad-ls-engine/
https://www.enginelabs.com/engine-te...oad-ls-engine/
As shown in the video I posted, 1 Full turn of the Rocker Arm bolt nets about .079 preload on the lifter as measured at the push rod.
2 full turns of the rocker arm bolt past 0 lash is .158 preload. The link you posted even states ideal clearance is around 3/4 turn past 0 lash on factory LS lifters.