rebuilt 22re doesnt have power to drive down freeway
01-21-2009, 01:52 PM
#1
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rebuilt 22re doesnt have power to drive down freeway
rebuilt 22r 84 block and 84 carb head with efi on it
400 miles on motor- no problems before i blew it up
i blew it up due to lack of oil, dead injector
fresh injectors off of ebay
new fuel filter
new plugs
new wires etc
truck does not have enough power to drive over 60
manifold glows orange at night
terrible gas mileage 120 miles to 3/4 tank
if i baby the gas i can find a sweet spot of which the truck will accelerate ok
seems terribly lean in upper rpms
you can set the tps anywhere, it doesnt help
timing is at 0
iv been messing with this thing since august
400 miles on motor- no problems before i blew it up
i blew it up due to lack of oil, dead injector
fresh injectors off of ebay
new fuel filter
new plugs
new wires etc
truck does not have enough power to drive over 60
manifold glows orange at night
terrible gas mileage 120 miles to 3/4 tank
if i baby the gas i can find a sweet spot of which the truck will accelerate ok
seems terribly lean in upper rpms
you can set the tps anywhere, it doesnt help
timing is at 0
iv been messing with this thing since august
01-21-2009, 02:19 PM
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Location: Cincinnati, Ohio - Amelia is the exact place. There is no one else on this site from where I am. Seems like everyone is from Cali or Washington. I guess I need to move.
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rebuilt 22r 84 block and 84 carb head with efi on it
400 miles on motor- no problems before i blew it up
i blew it up due to lack of oil, dead injector
fresh injectors off of ebay
new fuel filter
new plugs
new wires etc
truck does not have enough power to drive over 60
manifold glows orange at night
terrible gas mileage 120 miles to 3/4 tank
if i baby the gas i can find a sweet spot of which the truck will accelerate ok
seems terribly lean in upper rpms
you can set the tps anywhere, it doesnt help
timing is at 0
iv been messing with this thing since august
400 miles on motor- no problems before i blew it up
i blew it up due to lack of oil, dead injector
fresh injectors off of ebay
new fuel filter
new plugs
new wires etc
truck does not have enough power to drive over 60
manifold glows orange at night
terrible gas mileage 120 miles to 3/4 tank
if i baby the gas i can find a sweet spot of which the truck will accelerate ok
seems terribly lean in upper rpms
you can set the tps anywhere, it doesnt help
timing is at 0
iv been messing with this thing since august
01-21-2009, 02:48 PM
#3
Stock ignition timing is 5* BTDC. That'll help alot.
The TPS should be set to specs. But won't help too much.
Click here for how http://personal.utulsa.edu/~nathan-b...34throttle.pdf
Good luck!
The TPS should be set to specs. But won't help too much.
Click here for how http://personal.utulsa.edu/~nathan-b...34throttle.pdf
Good luck!
01-21-2009, 04:24 PM
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Hey, just 'cause the cam timing's off doesn't mean someone's retarded.
...
oh
...
you meant the cam was retarded, not the ... oh well that may make some sense then.
yeah, I'd definitely go through and double check the cam timing, ignition timing (don't forget the diagnostic plug jumper when you're setting the ignition timing), valve adjustments (.008" intake, .012" exhaust with the engine warm), clogged catalytic converter or muffler, O2 sensor is working properly....
...
oh
...
you meant the cam was retarded, not the ... oh well that may make some sense then.
yeah, I'd definitely go through and double check the cam timing, ignition timing (don't forget the diagnostic plug jumper when you're setting the ignition timing), valve adjustments (.008" intake, .012" exhaust with the engine warm), clogged catalytic converter or muffler, O2 sensor is working properly....
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01-21-2009, 05:10 PM
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no cat
replaced the 02 yesterday
dizzy is fully advanced to be set at 0
if i give it 1 more tooth, the timing goes to 12 degrees at fully retarded
cam timing is set to perfect 12:00
replaced the 02 yesterday
dizzy is fully advanced to be set at 0
if i give it 1 more tooth, the timing goes to 12 degrees at fully retarded
cam timing is set to perfect 12:00
01-21-2009, 05:15 PM
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It'll glow red hot after a long run at full throttle, too.
You should double-check your camshaft timing. With #1 cylinder at TDC [crank pulley at the 0* notch, distributor rotor pointing to #1 plug wire], the dimple mark on the cam sprocket should be at about 11:30 o'clock. I have to add that the dimple should be facing toward the front of the engine. I recently took apart a 22RE that the PO had installed the cam sprocket backwards!
You should double-check your camshaft timing. With #1 cylinder at TDC [crank pulley at the 0* notch, distributor rotor pointing to #1 plug wire], the dimple mark on the cam sprocket should be at about 11:30 o'clock. I have to add that the dimple should be facing toward the front of the engine. I recently took apart a 22RE that the PO had installed the cam sprocket backwards!
1 tooth to the left of perfectly straight up and down?? ????
01-21-2009, 06:10 PM
#15
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The crankshaft pulley/harmonic balancer has a rubber insert between it's hub and the pulley and that can most certainly slip.
this will throw off any attempt to set timing or verify the cam timing.
this will throw off any attempt to set timing or verify the cam timing.
01-21-2009, 06:35 PM
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And the dimple is offset from the keyway so that when the chain tensioner does its job and takes up the slack in the chain, the cam rotates counter-clockwise to bring the cam into position properly in relation to the crank.
01-22-2009, 07:02 AM
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What distributor are you using?
Severely retarded ignition timing can cause this. I believe that the distributor for the carbed engines had "centrifugal" (i.e. inertial) advance. EFI engines have computer controlled advance. Also, didn't the carbed engines had vacuum advance, which I believe is actually vacuum retard?
I don't know if there is distributor advance information (curves) published for properly tuned 22R and 22RE engines or not. Probably you could check a properly running 22RE at various engine speeds to get an idea of the advance and then look at yours. Or, adjust the timing to about 12 btdc (as you said you can) and give it a road test. If it improves in the 2k to 3k range, I'd say you've found what the problem is -- fixing it is another story.
I'm assuming you're using the proper chain and sprockets for that engine (96 link chain, isn't it?) and that your cam is properly timed. The photos you posted look correct to me.
Severely retarded ignition timing can cause this. I believe that the distributor for the carbed engines had "centrifugal" (i.e. inertial) advance. EFI engines have computer controlled advance. Also, didn't the carbed engines had vacuum advance, which I believe is actually vacuum retard?
I don't know if there is distributor advance information (curves) published for properly tuned 22R and 22RE engines or not. Probably you could check a properly running 22RE at various engine speeds to get an idea of the advance and then look at yours. Or, adjust the timing to about 12 btdc (as you said you can) and give it a road test. If it improves in the 2k to 3k range, I'd say you've found what the problem is -- fixing it is another story.
I'm assuming you're using the proper chain and sprockets for that engine (96 link chain, isn't it?) and that your cam is properly timed. The photos you posted look correct to me.
