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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[Fot\]\s+valve\s+spring\s+pressure\s+on\s+TR4\s+race\s+engine\s*$/: 15 ]

Total 15 documents matching your query.

1. [Fot] valve spring pressure on TR4 race engine (score: 1): Author: timmmurphh at gmail.com (timmmurphh at gmail.com); Date: Tue, 14 Feb 2017 13:55:36 -0600; I have 85 lbs. pressure on the intake valve with the valve closed and it sits at a height of 1.655 inches. At .400 lift, I have 190 lbs. of pressure. We only run to 6000 RPM with the gearing we have; /html/fot/2017-02/msg00045.html (8,779 bytes)
2. [Fot] valve spring pressure on TR4 race engine (score: 1): Author: tr4racing at googlemail.com (MadMarx); Date: Tue, 14 Feb 2017 21:49:53 +0100; These are very light springs. I would run 250 seat pressure and 500 at full lift. Cheers Chris Von: Fot [mailto:fot-bounces at autox.team.net] Im Auftrag von timmmurphh-- via Fot Gesendet: Dienstag,; /html/fot/2017-02/msg00046.html (9,486 bytes)
3. [Fot] valve spring pressure on TR4 race engine (score: 1): Author: sjanzen at me.com (Scott Janzen); Date: Tue, 14 Feb 2017 17:04:50 -0500; I know I?m working with a very different engine - GT6 - thus smaller valves, but the closed seat pressure is 65 lb and the open pressure is 233 lb at 0.53? lift. This is per the cam designer. I?ve be; /html/fot/2017-02/msg00047.html (10,321 bytes)
4. [Fot] valve spring pressure on TR4 race engine (score: 1): Author: pvucinic at netspace.net.au (Peter Vucinic); Date: Wed, 15 Feb 2017 11:32:17 +1100; I would be EXTREMELY careful with too high a spring pressure. Been there, done that! If you go by all the STD calculations, theories and what you 'should have' texts. It will tell you need HIGH sprin; /html/fot/2017-02/msg00048.html (10,865 bytes)
5. [Fot] valve spring pressure on TR4 race engine (score: 1): Author: johnstydo at gmail.com (John Styduhar); Date: Tue, 14 Feb 2017 20:34:18 -0500; The specs for the Isky dual spring setup (TR05-TR06) and TR-777 cam I use in my TR3 racer are: installed height 1.625" seat pressure 100# max coil bind height 1.060" spring rate #/inch 320 TR777 cam; /html/fot/2017-02/msg00049.html (11,762 bytes)
6. [Fot] valve spring pressure on TR4 race engine (score: 1): Author: jason at multivintage.com (Jason Ostrowski); Date: Tue, 14 Feb 2017 22:52:41 -0500; This post has been swirling around in my head all day... Since We have always run 65 lbs closed pressure for the GT6 motors with several different cam lift scenarios... My initial thought and answer; /html/fot/2017-02/msg00051.html (14,239 bytes)
7. [Fot] valve spring pressure on TR4 race engine (score: 1): Author: jhassall at gmail.com (J.C. Hassall); Date: Tue, 14 Feb 2017 23:23:07 -0500; +1 for John's numbers. I'm running Isky's TR-777 cam in my TR4 with the same specs John reported. I routinely spin my nitrided balanced stock crank and balanced/lightened shot peened stock rods to 6K; /html/fot/2017-02/msg00052.html (13,671 bytes)
8. [Fot] valve spring pressure on TR4 race engine (score: 1): Author: dlhogye at comcast.net (davehogye); Date: Wed, 15 Feb 2017 05:05:46 +0000 (UTC); Yes! Let's hear some wisdom on this subject from Santa Cruz. Greg, please guide us with your knowledge. DH -- Original Message -- This post has been swirling around in my head all day... Since We hav; /html/fot/2017-02/msg00053.html (13,887 bytes)
9. [Fot] valve spring pressure on TR4 race engine (score: 1): Author: tony at tonydrews.com (Tony Drews); Date: Tue, 14 Feb 2017 23:21:21 -0600; Depends on the cam and accelerations the valve train needs to deal with as well as the weight of the valve train components. For the Larry Young Dx-298 cam, 100 lbs seat pressure is recommended. I ru; /html/fot/2017-02/msg00054.html (10,796 bytes)
10. [Fot] valve spring pressure on TR4 race engine (score: 1): Author: bfeparts at aol.com (bfeparts at aol.com); Date: Wed, 15 Feb 2017 11:25:29 -0500; Hello Tim, Generally speaking your spring height should be set at 1.600 with something north of 100 lbs seat pressure. With a cam of only .400 valve lift you should have at least 210 lbs at full lift; /html/fot/2017-02/msg00055.html (10,224 bytes)
11. [Fot] valve spring pressure on TR4 race engine (score: 1): Author: timmmurphh at gmail.com (timmmurphh at gmail.com); Date: Wed, 15 Feb 2017 11:20:12 -0600; Thanks for all of your responses. We are going to add 0.030 shim to give 1.625 in spring height with valve on seat for a spring pressure of 95 lbs. At valve full open with .342 max cam lift and 1.5 r; /html/fot/2017-02/msg00056.html (10,486 bytes)
12. [Fot] valve spring pressure on TR4 race engine (score: 1): Author: patrickmannion1 at netzero.com (patrickmannion1 at netzero.com); Date: Wed, 15 Feb 2017 20:31:41 GMT; I agree with Brian's figures. He has been reliably racing his TR powered Morgan for years. David Newman (Newman Cams England) was saying 110 on the seat and I think 225 at full lift was sufficient (I; /html/fot/2017-02/msg00057.html (14,887 bytes)
13. [Fot] valve spring pressure on TR4 race engine (score: 1): Author: awashatko at wi.rr.com (Allen Washatko); Date: Wed, 15 Feb 2017 15:18:36 -0600; I run 110lbs seat pressure and 235lbs open. The TR6 sees 8,000 rpm's. Allen Sent from my iPhone -- next part -- An HTML attachment was scrubbed... URL: <http://autox.team.net/pipermail/fot/attachment; /html/fot/2017-02/msg00058.html (18,799 bytes)
14. [Fot] valve spring pressure on TR4 race engine (score: 1): Author: Gregmogdoc at surfnetusa.com (Gregmogdoc at surfnetusa.com); Date: Wed, 15 Feb 2017 14:13:45 -0800; Unless your valve gear is extremely light weight, you should probably be running at least 105 lbs of pressure on the seat with the valve closed. A G3 cam is a pretty aggressive grind that is designed; /html/fot/2017-02/msg00059.html (10,268 bytes)
15. [Fot] valve spring pressure on TR4 race engine (score: 1): Author: cartravel at pobox.com (Larry Young); Date: Thu, 16 Feb 2017 11:00:01 -0600; Those are pretty close to the stock springs. Most likely your engine guy is used to big American V8's with heavy valve trains. I got very interested in cams and valve train dynamics when I started ra; /html/fot/2017-02/msg00060.html (11,223 bytes)

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