No crank spacer with 5.3L/4L80E conversion?
06-30-2005, 07:41 PM
#32
Originally Posted by XLR8NSS
PUMP ENGAGEMENT TEST
I put the converter in and marked on the outside of it where the pump engagement notches are on the hub. Then I reinstalled the converter like previous times. I got it all the way in it will go and have the same 1 1/8" measurement from bellhousing to mounting lugs. Everything is the same as before. Next step.
I put the converter in and marked on the outside of it where the pump engagement notches are on the hub. Then I reinstalled the converter like previous times. I got it all the way in it will go and have the same 1 1/8" measurement from bellhousing to mounting lugs. Everything is the same as before. Next step.
You previously said that the measurement from the engine bell housing mount to the flex plate mount point is .875 without the spacer which is in spec. That leaves the spacer in my mind. Can you mount it backwards? Is it to thick? Is it seated all the way in. Have you bolted It In?
Last edited by KySilverado; 06-30-2005 at 07:50 PM.
06-30-2005, 07:42 PM
#33
Originally Posted by XLR8NSS
I will try again tomorrow.
That is what I did.
Push that thing against the wall, and wiggle/push/spin that converter. It will pop in some more, I know it will. Get out the lube and lube up that o-ring like it is your first time after prom.
06-30-2005, 08:09 PM
#35
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Brian - The transmission is up against something solid, it doesn't move no matter how much pressure I put to it. I will give it another shot tomorrow though.
KySilverado - It is a 4L80E I'm putting in.
I've already heard that 1 1/8" is the spec for it also. I could take the spacer out and use shims between the converter and flexplate but, from what I'm hearing no 4L80E swap has been done where the spacer wasn't used. The spacer only mounts one way and even if you could flip it around it would still be the same thickness.
Here is a short version of what I'm seeing.
block to stock flexplate(where converter lugs touch it) = .875"
block to SFI flexplate = ~.875"
block to either flexplate with spacer = ~1 5/16"
bellhousing face to converter mounting lugs(where they hit flexplate) = 1 1/8"
The flexplate measurements are correct. The bellhousing measurements are correct. The converter hub is hitting the flat surface behind the engagement points(I'd bet on it). The converter hub and converter are still showing they could go in further if it wasn't hitting that flat surface. That would really screw up the bellhousing to lug measurement if the converter went in any further.
I will be calling a tranny guy tomorrow to talk with them about some things to check.
06-30-2005, 08:11 PM
#36
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Originally Posted by whitt1
What flexplate are you using?My Vigilante worked with no spacer on a 4L60E flexplate.
They would both give me about 1/4" clearance without the spacer. Did you have to use any shims? I'd need right around 1/8"+ of shims.
06-30-2005, 08:15 PM
#37
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http://www.tciauto.com/instructions/TorqConvTransInstallInst.pdf#search='converter%20p ump%20engage'
found this from TCI now
about middle of page 1 1/64
found this from TCI now
about middle of page 1 1/64
06-30-2005, 08:20 PM
#38
Originally Posted by XLR8NSS
I've tried the stock 4L60E flexplate and a SFI flexplate(don't know what it is)
They would both give me about 1/4" clearance without the spacer. Did you have to use any shims? I'd need right around 1/8"+ of shims.
They would both give me about 1/4" clearance without the spacer. Did you have to use any shims? I'd need right around 1/8"+ of shims.
SFI Specs Programs are intended to serve the following purposes:
To promote quality and reliability in the design, manufacture and application of products of the specialty parts industry.
To provide seller and purchasers information to facilitate purchasing and application decisions.
To provide officials of competition events with convenient and reliable references for evaluating products.
06-30-2005, 08:23 PM
#39
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Thanks grippy for the explanation of SFI but, I meant to say (don't know what brand it is)
I think it is safe to say that the bellhousing to converter measurement I have is either on the high side or within spec depending on what page you look at.
I think it is safe to say that the bellhousing to converter measurement I have is either on the high side or within spec depending on what page you look at.
06-30-2005, 08:42 PM
#40
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converter dimensions
http://www.tciauto.com/tech_info/converter_dims.htm
am I overlooking it or is 4l80 not there?
you need to find out A
http://www.tciauto.com/tech_info/converter_dims.htm
am I overlooking it or is 4l80 not there?
you need to find out A