View Poll Results: Piston to Valve Clearance Technique Poll
Don't Mess With Texas
5
1.98%
Our state will kick your state's ass
38
15.02%
Republic of Texas
4
1.58%
Bigger Than Most Countries
10
3.95%
Lone Star State
2
0.79%
Got Oil?
0
0%
Home of the Fastest Dragstrips
4
1.58%
The Promised Land
5
1.98%
Home Of The Fast Cars And Beautiful Women
22
8.70%
Where Everything is BIGGER and BETTER
14
5.53%
350
0
0%
355
2
0.79%
360
1
0.40%
365
4
1.58%
370
0
0%
375
1
0.40%
380
2
0.79%
390
1
0.40%
395
2
0.79%
400
2
0.79%
405
1
0.40%
410
0
0%
415
0
0%
420
0
0%
425
1
0.40%
4GET IT
5
1.98%
NONE 4 U
0
0%
GET SUM
4
1.58%
GREGO 1
0
0%
GOTCHA
2
0.79%
1 BD TRK
6
2.37%
SEE YA
4
1.58%
98
3
1.19%
99
0
0%
00
4
1.58%
01
8
3.16%
02
24
9.49%
June 7th
16
6.32%
June 21st
8
3.16%
Fajitas
19
7.51%
Hamburgers and Hot Dogs
13
5.14%
Yes I use a solid lifter when checking piston to valve clearance.
9
3.56%
No I do not use a solid lifter when checking piston to valve clearance.I use a Hydraulic lifter and "checking" springs
6
2.37%
I do not check piston to valve clearance.
1
0.40%
Voters: 253. You may not vote on this poll
Piston to Valve Clearance Technique Poll
Joined: Nov 2001
Posts: 3,043
Likes: 0
From: Texas and Qatar
Re: Piston to Valve Clearance Technique Poll I use checking springs, with an adjustable pushrod set to 0 lash. Then I use a dial indicator to measure the clearance. Much easier than pulling a head and claying, and prob a whole lot more accurate.
Thread Starter
TECH Addict
Joined: Jul 2002
Posts: 2,261
Likes: 0
Re: Piston to Valve Clearance Technique Poll
I use checking springs, with an adjustable pushrod set to 0 lash. Then I use a dial indicator to measure the clearance. Much easier than pulling a head and claying, and prob a whole lot more accurate
joel(Bink)
TECH Addict
Joined: Nov 2001
Posts: 2,593
Likes: 0
From: TEXAS
Re: Piston to Valve Clearance Technique Poll If you bring the cylinder to TDC and without a spring let the valve rest on the piston, measure that with the dial indicator. Then use the check spring and measure the valve when its totally open, then subtract the two numbers to get the differenc. The answer will be how much travel you have until impact with piston.
Re: Piston to Valve Clearance Technique Poll
If you bring the cylinder to TDC and without a spring let the valve rest on the piston, measure that with the dial indicator. Then use the check spring and measure the valve when its totally open, then subtract the two numbers to get the differenc. The answer will be how much travel you have until impact with piston.
Joined: Nov 2001
Posts: 3,043
Likes: 0
From: Texas and Qatar
Re: Piston to Valve Clearance Technique Poll
Does this actually measure piston clearance or valve opening from the seat??
joel(Bink)
joel(Bink)
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Brett Foote
On a G5X3 114 LSA camshaft, the intake opens at ~6* BTDC @.050 lifter rise. The exhaust closes at ~4.5* ATDC @.050 lifter rise.
So the intake PTV should be checked at TDC & 10* ATDC. The exhaust PTV should be checked at 10* BTDC & at TDC.
Russ Kemp
So the intake PTV should be checked at TDC & 10* ATDC. The exhaust PTV should be checked at 10* BTDC & at TDC.
Russ Kemp
http://store.summitracing.com/egnsea...rdSearch#rstop
I need to buy one myself. I need to check clearance on my Dart 205, .040 head gasket and my current cam.
Bill
I do the same but normally start 20*BTDC and 20* ATDC. I made my own checking springs that will compress long before the plunger in the hyd roller lifter will compress especially if it is pumped up.
