Jigglebear

So during my swap for my land cruiser I'm getting close to mating the transmission but I'm not sure what flex plate I need. I have read a significant amount on flange size but I'm still confused. While I'm aware of the 99 to 00 6.0 and the 4.8 with a manual had a larger protruding crank flange and the rest had then much thinner one it seems to me my 5.3 has a thicker flange like the previous stated. I would rather get your guys opinion before assembling everything and the starter doesn't engage. If I'm correct I should be using a flat flex plate with the spacer between the crank and flex plate correct? Thanks ahead of time.

G Atsma

What is your combo? Which model of tranny, which model of engine....

Jigglebear

100% forgot that part.... it's a lm7 5.3 and I'm mating it to a 4l80e.

G Atsma

Use the flexplate that came on the LM7, or get one if you don't have it

Jigglebear

Just to clarify because I didn't get one with the engine I need a flat flexplate with the spacer between the crank and flexplate correct?

Jigglebear

Alright then. I will just slap it on there and hope for the best. Was hoping to get more feed back.

Ls7colorado

iTrader: (3)

Best thing to get would be a flat flexplate (like from a Lq4 4l80e combo) and use the flexplate spacer with longer crank bolts.

This https://www.summitracing.com/parts/ado-19260102

And this https://www.summitracing.com/parts/sum-704000

Or this https://www.summitracing.com/parts/atp-z270?rrec=true

Jigglebear

awesome. Thank you. Exactly what I was looking for. You are a legend.

Jigglebear

So im kinda retarded and went the suggested route. Everything was going super well mating up and then I broke the transmission case. So turns out the spacer with the flat flex plate doesn't fit. So I popped out the spacer and the flat flex plate hit the rear cover. Where do I go from here?

Ls7colorado

iTrader: (3)

Got a picture of how you have it setup?
what torque converter are you using?