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

 

Do you have fuel leak somewhere? At high rpms maybe your not getting nought fuel for the computer to adjust and speed up? Check the lines abover your gas tank by the sending unit. Make sure its not wet on top.

 

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!

 

If the manifold glows then it's way too rich!
Bigblock

 

cam timing retarded

 

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....

 

and usually if the manifold is glowing your lean not rich

 

yeppers, def not suppose to be at 0 degree

I'd start with that and see what happens; you be surprised what difference a coupld degree can make

 

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

 

1 tooth to the left of perfectly straight up and down?? ????

 

Check your TDC mark.

It could be that the crank pulley has slipped and your mark is off.

 

How can that happen?

 

the pulley has a spline reciever and a big tooth at the top... dont think it could slip.

 

it cant

ill play with cam timing once more when i get home this weekend from school

for the record! where should cam timing be set

my dot is at 12:00

 

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.

 

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.

 

are there any differences in headgaskets between 81-84 and 85-95 blocks?

and i think im just gonna put a carb on this damn truck this weekend

 

The only way to check cam timing without a guess is with a degree wheel.

 

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.

 

im running the 87 22re distributor on a carb motor...

i wondered if i should run the carb distributor