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So my motor lost oil pressure and took out cam and lifters. So I rebuilt the motor with all new bigger and better parts. Diamond pistons, link bar lifters, callies stroker crank, honed to 5 over, slp oil pump, blower stage 2 cam, ported polished heads, z06 sending unit and fuel pump. Racetronix harness kit for fuel. 9.5:1 compression. It has a mcleod rxt with a steel flywheel.
So here is first of several questions. Fuel level was working when we put gas in it. We drove around just stopped working any ideas?
2) ABS light is on. Harness is plugged in idk really anything about this or where to start.
3)there is allot of vibration thru the car now during acceleration as rpm goes up.
4)gear don't seem to go in as easy as they did before. Can't even remotely get it in reverse for the life of me. It's like the shifts are slid over or something.
5) the car has a previous tune on it before it died. When that was tuned it was tuned for a vengeance racing vr5 came, headers, and a intake.
Would allot of the issues go away with a new tune? I still haven't installed the super charger yet until I put 300 plus miles on the motor first.
I'm sorry to hear about your issues...I'll give my opinions but please understand I'm no professional so my opinions probably aren't worth much .
1) I'd make sure all the connections are good on the racetronix harness...otherwise you may have an issue with the sending unit
2) Pinched wire somewhere? Are all of your wheel speed sensors hooked up? Not knowing how the motor came out of the car (top or bottom) lots of things may or may not have been unplugged.
3)You could have had (or did this when the motor was swapped) broken/damage motor mounts assuming they are stock. If you put in aftermarket ones with all of this you're going to feel more vibration because the aftermarket ones are not hydraulically dampened. I didn't see...but what kind of balancer do you have on the car?
4) Check your shifter alignment..if not something may not have been stabbed back together correctly. This is a c5 link but our cars are the same as far as this process is concerned https://www.corvetteforum.com/forums...post1570545357
5) I doubt the tune will fix these issues as they seem purely mechanical to me...but you should really get it retuned since your setup is totally different.
Good luck with everything. I'll stay subscribed to see what the solutions come out to be.
What I might do is unplug the racetronix harness and plus just the stock line back in and see.
I have the hinson motor sports motor mounts. I took the motor out from the top. I checked the engine bay didn't see any harness not plugged in any where. I will check out the link for the clutch thank you
Originally Posted by SEVINN
I'm sorry to hear about your issues...I'll give my opinions but please understand I'm no professional so my opinions probably aren't worth much .
1) I'd make sure all the connections are good on the racetronix harness...otherwise you may have an issue with the sending unit
2) Pinched wire somewhere? Are all of your wheel speed sensors hooked up? Not knowing how the motor came out of the car (top or bottom) lots of things may or may not have been unplugged.
3)You could have had (or did this when the motor was swapped) broken/damage motor mounts assuming they are stock. If you put in aftermarket ones with all of this you're going to feel more vibration because the aftermarket ones are not hydraulically dampened. I didn't see...but what kind of balancer do you have on the car?
4) Check your shifter alignment..if not something may not have been stabbed back together correctly. This is a c5 link but our cars are the same as far as this process is concerned https://www.corvetteforum.com/forums...post1570545357
5) I doubt the tune will fix these issues as they seem purely mechanical to me...but you should really get it retuned since your setup is totally different.
Good luck with everything. I'll stay subscribed to see what the solutions come out to be.
The Hinson mounts are Poly urethane and they are a lot stiffer than the stock mounts. So yes they will transmit more vibration.
kinda like the old Chevy small block days when you put in a set of solid motor mounts, the whole car would resonate.
As far as your ABS make sure the plug is seated correctly on the ABS module and then check the ground at the left front of the motor. That ground is specifically for the ABS module.
If both of those check out. check the wiring running across the front crossmember.
Mine transmitted as much NVH as I've had with solid mounts in some Mustangs I had previously. It was worst accelerating at partial throttle. I thought it was unacceptable and got so fed up with them I ended up going back to stockers.
I like my Hinson mounts. I have the long ones and the cars shakes less now than when I had the worn out stockers. Stockers don't last long with a lumpy cam.
If you have a scanner or hp tuners, trying seeing each wheel output speeds while driving. (bring someone to watch the scanner while u drive), also the ABS Trouble code would help tremendously for diagnostics.
Shake for sure sounds like mounts. was the engine balance int or ex
what does your clutch fluid look like? have you tried bleeding it? for the shifter that is.
Tune is relatively important, but check the obvious things first or you may be =wasting a tuners time.
I pulled all the error codes just have to look em up there was 10 for abs.
The crank was balanced ext if that's what u were asking wasn't sure. Clutch fluid is all flushed so brand new clear.was dot 3.
Originally Posted by rpmextra
If you have a scanner or hp tuners, trying seeing each wheel output speeds while driving. (bring someone to watch the scanner while u drive), also the ABS Trouble code would help tremendously for diagnostics.
Shake for sure sounds like mounts. was the engine balance int or ex
what does your clutch fluid look like? have you tried bleeding it? for the shifter that is.
Tune is relatively important, but check the obvious things first or you may be =wasting a tuners time.
I highly doubt the Racetronix is the culprit for the fuel level issues. That is related to the actual fuel level floats inside the tanks and the metal tangs for the sensors not making good contact on the circuit board. Probably going to have to drop both tanks and inspect.
How much gas is it it? If there isn't more than 9 gallons passenger level float wouldn't read anything.
Well it read at 5 gallons drove around stopped reading. Put 6 more in and still didn't read. Idk what's in it now. Should I just fill it and see what happens
Originally Posted by djfury05
I highly doubt the Racetronix is the culprit for the fuel level issues. That is related to the actual fuel level floats inside the tanks and the metal tangs for the sensors not making good contact on the circuit board. Probably going to have to drop both tanks and inspect.
How much gas is it it? If there isn't more than 9 gallons passenger level float wouldn't read anything.
First let's try pulling the wheel and fenderwell off and ensuring all connections and grounds are solid. I used the ground right near the fuel filler neck that already had a small ground on it. I took my dremel and ground off some more paint and really make it a solid contact. Also used a little dielectric grease.
When you put the new Z06 module in the driver's tank did it come with a new fuel level sending unit already attached or did you have to transfer over yours?
Yea I used the same ground as well. The new z06 came with a pump and sending unit just no levler or what ever tells u how much fuel has..just doesn't make any sense that it would read the stop. I pulled the liner off the other day and tried replugging in all the connections didn't help.
Yea I used the same ground as well. The new z06 came with a pump and sending unit just no levler or what ever tells u how much fuel has..just doesn't make any sense that it would read the stop. I pulled the liner off the other day and tried replugging in all the connections didn't help.
Ok so you had to remove only the metal float and snap it into the new Z06 module? Doesn't sound right to me.
This right here. Did you swap over this entire assembly or just the metal line and black plastic float piece? If you swapped over the unit you should of had to attach those two green wires to the connector at the top of the fuel pump module.
Yup moved the whole thing and pinned the new wires into the harness as well. Pulled on em to ensure they were snapped in and did not come out.
Originally Posted by djfury05
Ok so you had to remove only the metal float and snap it into the new Z06 module? Doesn't sound right to me.
This right here. Did you swap over this entire assembly or just the metal line and black plastic float piece? If you swapped over the unit you should of had to attach those two green wires to the connector at the top of the fuel pump module.
new motor build. random issues
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