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16 days ago
sirsparkalot
So I rebuilt the spare carbs with the bits from Clarks, and boom, he's running better than he ever has even without tweaking the timing, but did go on plug colder and regapped to .28 probably will never find out where the problem was with one of the carbs but its behind me now and now at least i can concentrate on final tuning and then start tackling the leak that sees my frunk fill up wi
Forum: Corvair Center Forum
20 days ago
sirsparkalot
JimBrandberg Wrote: ------------------------------------------------------- > I struggle with drippy venturi clusters a lot. You need to look down the carburetor throat at part throttle with the engine running which could not turn out well if it backfires. venturi doesnt drip. I swapped carbs over and problem went with it, so have taken off suspect carb and put it on the shelf for the
Forum: Corvair Center Forum
20 days ago
sirsparkalot
dryenko Wrote: ------------------------------------------------------- > The rubber bowl venting disc at the base of the carb should only be open at IDLE. (Quote)I went to great lengths to adjust the little black rubber door thing so it just opens on full throttle, (tricky to get perfect) sorry i meant closed.
Forum: Corvair Center Forum
20 days ago
sirsparkalot
Just as a thought does this fuel to top of base measurement look ok, to high or low?
Forum: Corvair Center Forum
20 days ago
sirsparkalot
DOUG WARD Wrote: ------------------------------------------------------- > These are good comments. I tend to think that you should be running 52 to 54 main jets in the carbs. Also, have you checked to see if both carbs have enrichment jets in the cluster supply area ? Another thing you can check is the shape of the cluster "arms". early arms were equal spaced, like a cross would b
Forum: Corvair Center Forum
21 days ago
sirsparkalot
Murphy Wrote: ------------------------------------------------------- > Had the same problem, not much Vacuum on left carb. I found the rubber hose from the balance tube got some gasoline spilled on it, softened up the hose and created a vac leak. Worth a look. Thats my next job, i overlooked those connections.
Forum: Corvair Center Forum
21 days ago
sirsparkalot
carbs have the number 4 above made in USA then RP so are these a matched pair? ive no idea how to tell. Didnt measure the venturi cluster orifices.
Forum: Corvair Center Forum
21 days ago
sirsparkalot
Paulsgt Wrote: ------------------------------------------------------- > You said "Carbs rebuilt per Bob Helt". Did you measure all the orifices on the venturi clusters and make sure both carbs match? > > Enjoy the Corvair! didnt measure the cluster orifices and dont know if the carbs are a matched pair as i only have these markings to go on.
Forum: Corvair Center Forum
21 days ago
sirsparkalot
Lane66m Wrote: ------------------------------------------------------- > Since you are running a 3.0 ohm coil, did you remove the resistance wire from the engine harness and replace it with a standard wire. yes ran a new 12v feed wire.
Forum: Corvair Center Forum
21 days ago
sirsparkalot
got it running well, ish so started another post for final setting suggestions. thanks for all your help so far.
Forum: Corvair Center Forum
21 days ago
sirsparkalot
Sorry, forgot to add the slight issue with carbs. Left hand carb and bank running well but right carb is difficult to set mixture. I can hold my palm over air horn and car will still run (barely) if i put my hand over the left carb the car stalls immediately. I have replaced vac lines on left carb also changed choke pull off with 2 others and still same result, also tried 2 different base spa
Forum: Corvair Center Forum
21 days ago
sirsparkalot
Hi guys so Ive finally got my car running almost perfectly, ive been chasing misfiring and bogging issues for months, (see other posts) still have a slight miss when under load. My quest now is to have him running perfectly but am new to these engines. My car 1969 110 pg New std barrels/pistons etc from Clarks about 300 miles ago (still on running in oil) Tom Knoblauch version 1 big va
Forum: Corvair Center Forum
5 weeks ago
sirsparkalot
i had the standard dizzy with a pertronix 1 and it was ok till it failed, so i installed a crane xr700 unit and it to was fine but as i didnt have the original points plate i had to install the xr700 on the petronix plate which worked but i was concerned it wasnt the correct setup. i purchased a HEI unit from California Corvair and all i can say is wow, the engine has come alive, (Still got carb
Forum: Corvair Center Forum
6 weeks ago
sirsparkalot
Seth Emerson Wrote: ------------------------------------------------------- > My bet is on the ignition switch. Swapping the dist made no difference. The TSP distributor (looks like my Stinger Racing Distributor but isn't) really prefers a 12V feed and a 3.0 Ohm coil. Any less resistance and the current goes up. I have never seen a TSP dist that would fail as it heats up, then come back
Forum: Corvair Center Forum
6 weeks ago
sirsparkalot
carbs back on, started and ran well for about 10 mins, then poof same problem as before cut out and i had to keep my foot buried to get it going. checked fuel at carb connections and all good, could it be that im not producing enough current to keep the electronics going, car is a pg? Anyway i got it running by reading some more of Bobs carb book and disconected the chokes, managed to get it go
Forum: Corvair Center Forum
7 weeks ago
sirsparkalot
Hi guys thanks for all the insight. Got home last night and car started straight up from cold and ran lovely, but I decided to Di exactly what you suggested,put old dizzy on with the xr700 and I ran same so took it out and them after it warmed up it died and would only run with foot buried in the carpet. Checked flow again into clear bottles from fuel line at carbs and still good flow. Took ca
Forum: Corvair Center Forum
7 weeks ago
sirsparkalot
thinking back it did this when i had the xr700 fitted so pretty sure its not the distributor, but i will check all the grounds again. i also replaced the electric fuel pump when i had the problem before and i did check for fuel flow to both carbs and got decent flow.
Forum: Corvair Center Forum
7 weeks ago
sirsparkalot
Phil Dally Wrote: ------------------------------------------------------- > Swap out the module for a test. not sure how?
Forum: Corvair Center Forum
7 weeks ago
sirsparkalot
link9711 Wrote: ------------------------------------------------------- > Hi did you checked the ground for the dist you would think the hold down clamp would be enough.I would put a meter or test light from the battery ground to the body of the dist and check if any voltage is there should be 0 just a thought also the grounds going to the eng and tin's.The hei system may need more grou
Forum: Corvair Center Forum
7 weeks ago
sirsparkalot
jjohnsonjo Wrote: ------------------------------------------------------- > if you still are using the resistor wire , you may have cooked the wire. Try a clean 12v source if you have not done that i am not using the ballast wire and have a switched live at the coil along with the normal 'yellow' wire that was joined to the ballast wire. car is a pg and was running fine afte
Forum: Corvair Center Forum
7 weeks ago
sirsparkalot
Evening from across the pond, i bought and fitted a hei dizzy along with the flamethrower coil from California Corvair which went seamlessly but after a drive round the block, it died and will only start and stay running if i bury the throttle, but literally only just running, car is a 69 110 has an electric fuel pump and was running ok before. The carbs have been cleaned out about a month ag
Forum: Corvair Center Forum
2 months ago
sirsparkalot
Ratt643 Wrote: ------------------------------------------------------- > Sounds like a fuel issue. May be a piece of trash holding a needle open and flooding one or both cabs. Do you see any fuel dripping into the throat of the carb when nits idling? No fuel dripping, after a lot of tinkering including adjusting the valves, car is running ok but just not happy with the XR 700 running on
Forum: Corvair Center Forum
2 months ago
sirsparkalot
Seth Emerson Wrote: ------------------------------------------------------- > I hope you bought the best wires from Clarks! Got these: MAGWIRE: BEST ALL ROUND CHOICE – 7mm – All Straight Boots not the easiest to get onto the plugs though.
Forum: Corvair Center Forum
3 months ago
sirsparkalot
Coil is new, but tried another anyway, same problem. have ordered new set of plug wires, rotor and cap from Clarkes, ill let you know more when i get them. On searching this problem it does seem a very common one on our cars.
Forum: Corvair Center Forum
3 months ago
sirsparkalot
So, XR700 is in timing is set to 14 carbs balanced. took him out for a run, ran lovely for about 15 mins then started to stumble, had to keep knocking into neutral and keep the revs high to keep it running. Car is 69 110 with pg running on E10 petrol with stabiliser additive electric fuel pump. Got home this is what i tested and found: Timing stayed at 14. Checked witness marks on harmon
Forum: Corvair Center Forum
3 months ago
sirsparkalot
cnicol Wrote: ------------------------------------------------------- > sirsparkalot Wrote: > ------------------------------------------------------- > > 1110319 110 is the full number on the side of the distributor. > > 319 is the correct distributor for a 65-7 110 hp engine. It should work well on your engine too. Initial timing for that distributor is 14-degrees. You s
Forum: Corvair Center Forum
3 months ago
sirsparkalot
1110319 110 is the full number on the side of the distributor.
Forum: Corvair Center Forum
3 months ago
sirsparkalot
Wagon Master Wrote: ------------------------------------------------------- > Smog pump and equipment removed? > Smog pump and equipment functioning as designed? > 69 smog carburetors? > 69 smog distributor advance curve? yes all removed, carbs not sure if smog or not, not sure how to check distributor My first corvair sorry.
Forum: Corvair Center Forum
3 months ago
sirsparkalot
yep, runs ok now got to time it up. having to run E10 fuel over here (10% ethanol) what would you recommend for timing, car is 1969 110 auto only work done are version one big valve heads by Tom Knoblauch.
Forum: Corvair Center Forum
3 months ago
sirsparkalot
I currently have petronix 1 installed but its failed, so i bought the XR700 kit. Question is, i do not have the original points plate available to me so could i connect the XR to the petronix plate? It looks like it will fit, ive mocked it all up and clearance is ok, nothing rubs, but i dont want to fully button it down incase it fails. iIm in the uk so cant pop out and get a points plate.
Forum: Corvair Center Forum
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