View or Hide Header -->
Search results for: push rod
61
A7 & A10 Engine / Re: Conrod life - do they fail eventually?
« by BSA_54A10 on 01.10. 2019 12:55 »...... life than a forging. Good thing about aluminium rods is that start to stretch long before they fail ............ eventually one will get big enough to split the rod into several places. Now back in the days when ............ material standards for Truck wheels, car wheels, push bike wheels, wheel chair wheels, even wheel ......
...... years ago) and it blew from the cylinder to the push rod tunnel. Having the new trendy alloy pushrods ......
...... worth considering that an alloy push rod will expand at double the rate of a steel one. ............ although probably only a thou or so Alloy push rods really makes sense when fitted with both an ............ head and an alloy barrel. I run alloy push rods in my race motor and steel in my road motor, ............ the alloy rods seem to be simpler to locate when assembling the ............ I didnt buy them. The bottom ends of the alloy rods will be very sensitive to anything abrasive in ............ years ago with a tigress motor that ate an alloy pushrod and there was a tiny piece of grit in the cam ......
...... will always be to me... cam... cam followers... push rod.... tappets set in the rockers... then valve ......
65
A7 & A10 Engine / Re: In dire need of divine inspiration
« by Roadrocket649 on 20.04. 2011 11:44 »...... ? Hi Goldy, the bike did have four alloy barrel push rods in I got it When I first took the head off ............ The others were OK I changed that one for a steel push rod, and replaced them all in that order. When I ......
66
A7 & A10 Engine / Re: A10 push rods question + identification of engine/parts
« by octane on 16.07. 2008 13:37 »...... R and it's from a 1960 Super Rocket. Steel tube pushrods are standard and very light (A7 push rods ............ to see if yours are aluminum. ... Thanks Dp The push rod do not react to a magnet. A friend dropped by ............ very (too) hard valve-springs (se below) As the rods are not hardened at the ends I polished them ......
...... incorrect clearances did have an affect on the rods, I'll rectify that when I get the replacements. ............ aware that there were so many variations on the push rod types. I assume that the lighter set are for ......
...... might be the sound of a push rod scraping on the head gasket protruding into ............ push rod tunnel. That's why I asked if there was any ......
...... should have said a "push rod" gadget of course, not "valve stem". The ......
...... central to the valve stem. This is achieved by push rod length and rocker shaft height (gasket ......
...... increasingly furious at having to get those push rods seated properly without messing up the ............ goo with the push rod aligning tool. Seriously though, mine was ......
...... metal just as the same process hardens the clutch push rod ends. I have heated up my gaskets evenly to a ......
...... racing/over reving. Easy enough to make longer push rods (same amount as comp plate) out of durallium ......
...... posts were added while I was typing this. Bent rods are unlikely if the piston damage is more or ............ consistent on both pistons. Straight rod across the small end bushes, as suggested. ............ pistons with a hot air gun means the pins will push out with very little force. Piston manufactures ......
...... on one at this time. The set comprises a bent rod ( on left ) with a shoulder on it, 3 sets of ............ , a rod with a stepped ball sized to sit in the valve ............ threaded hole in it to run up down the other two rods. The top sleeve is almost completely hollow, big ............ will sit over the top of the guide on the shaft & push against the guide when installing and is flipped ......
...... seal engine oil draining from the head to the the push rod tunnel; combustion pressures are sealed by ......
...... rocker is the same distance from the shaft as the push-rod side. By logic, I think it probabaly is, but ......
...... when hot can ride up limiting the lift and bend a push rod. I have alloy push rods in both my A's, the ......
...... I'd push the new ones in first and see how much if any has ............ hit/tap a little end for fear of bending the rod or deforming the big end shells (DAHIK). If using ............ cases then more rag placed over and taped to the rods. ......
...... bad one's lap mark is thick then thin it's bent. Push rods don't usually bend by themselves. Something ............ marks not lined up etc. Do NOT reuse a bent push rod or valve. The lower collars will push back on. ......
...... , there will always be at least 1 push rod on the cam. At TDC on the left the rods on ......
...... max revs (or at least as far as I’m prepared to push a motor with alloy rods). I remember when ............ carried out testing on alloy rods. They only lasted a couple of million cycles – ............ and work hardens; witness the number of BSA rods that have exited the crankcase (mine, at one ............ , for example). Would never be my choice for a rod. When you were building these motors, what ............ were asian made junk. I do agree with the alloy rods, valid point. Stan Shentons Triumph Speed ............ engineers as saying the life of a OEM Alloy rod was one race at race speeds. However if a ............ ,, many can get a lot of life out of a alloy rod with little worry. If your machine is a ............ investment new rods are a sensible expenditure. BSA Goldstars are a ............ ran them competitively with the stock cranks and rods,, these days any sensible Goldie owner will opt ............ a Pearson Crank assy and Carillo rod, or many are using the ABSAF kit. The value of a ......
...... evil-bay. http://cgi.ebay.com.au/BSA-A7-BSA-A10-Push-Rod-Aligning-Comb-Tool-P179-/190419969510?cmd= ......
...... pretty cool! I've already acquired one of those push rod combs, but have yet to try how well I can get ......
...... when the valve is fully open, thus causing the push rod to flex. This would also explain the pre- ......
...... with a sticky, allmost rubbery deposit, in the push rod shaft it appears like charcoal debris. I ............ talks for the engine to be split. And the conrod may be dammaged as well. I did not continue ......
...... never knowingly buy anything from MCA I have had push rods that were too short valve adjusters that ............ 20 years ago before emails. In the case of the push rods they denied there was anything wrong even ............ I provided them with a BSA original rod they just told me that if not satisfied with ............ products to go elsewhere. ......
...... low in torque. Usually in the middle where the push rods go down to the followers Could someone ............ I kept getting leaks between cylinders, and push rod tube, since using 26 ft. lbs. have never had ......
89
A7 & A10 Engine / Re: How hard is it to kickstart a 650 superrocket engine rebuilt with 8.25 pistons
« by steve c on 07.04. 2010 20:49 »...... . Take off the little inspection cover over the push rod , make a strap of sheet steel about 150mm ............ some serviceable pawl and pinions in a badly corroded gearbox I had ( and was given some by my friend) ......
...... (big end shell side) about 1/16" deep. Warm the rod and try to push it down the little hole as far as ............ threadlock, finally punching the Al in the con rod to lock the screw. Kep your fingers crossed ?? ......