Mismatched Drive Plate<->Torque Convertor.. - Holden General Discussion

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Fastlane » Holden Forums » Holden General Discussion » Mismatched Drive Plate<->Torque Convertor..

Mismatched Drive Plate<->Torque Convertor..

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Guest		#1 Posted : Sunday, 14 October 2007 10:31:15 PM(UTC)
Rank: Guest Groups: Guests Joined: 2/09/2015(UTC) Posts: 43,977 Was thanked: 5 time(s) in 5 post(s)		An engine and trans Ive purchased, Chev 383/Turbo 400 has either the wrong Drive Plate or the wrong Torque Convertor.. the three threaded bolt holes in the torque convertor don't match up with the holes in the drive plate.. the drive plate holes seem 10mm too far outwards.. So.. do I need a different drive plate or a different torque convertor? Pics: And if I need a new drive plate.. does anyone know the name of the bolts that hold the drive plate on the crank.. they have a different shaped head.. With thanks, Duncan.

HK1837		#2 Posted : Sunday, 14 October 2007 10:58:32 PM(UTC)
Rank: Veteran Reputation: Groups: Moderator, Registered, Veteran Joined: 1/03/2005(UTC) Posts: 14,901 Thanks: 1 times Was thanked: 559 time(s) in 534 post(s)		AFAIK most stroked 302/327/350 blocks to 377 cubes use a 400 style crank which is externally balanced, so you need a 400 (or externally balanced) flex plate. The one on that motor looks like a made up plate. The one you want will be to suit a TH400 onto a
		_______________________________________________________ If we all had the same (good) taste, who would buy all the Fords?


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Guest		#3 Posted : Sunday, 14 October 2007 11:14:51 PM(UTC)
Rank: Guest Groups: Guests Joined: 2/09/2015(UTC) Posts: 43,977 Was thanked: 5 time(s) in 5 post(s)		OK Great.. that seems straightforward then.. Eagle? I googled, but Im unsure who they are? Is there a website with contact details you could point me at? Thanks, Duncan.

Guest		#4 Posted : Sunday, 14 October 2007 11:14:51 PM(UTC)
Rank: Guest Groups: Guests Joined: 2/09/2015(UTC) Posts: 43,977 Was thanked: 5 time(s) in 5 post(s)		OK Great.. that seems straightforward then.. Eagle? I googled, but I'm unsure who they are? Is there a website with contact details you could point me at? Thanks, Duncan.

Guest		#5 Posted : Monday, 15 October 2007 7:50:23 PM(UTC)
Rank: Guest Groups: Guests Joined: 2/09/2015(UTC) Posts: 43,977 Was thanked: 5 time(s) in 5 post(s)		OK.. I spoke to a local trans place today and they have a Big Block torque convertor that will suit the drive plate.. so that solves that problem.. onto the next one! :) Dunc.

HK1837		#6 Posted : Monday, 15 October 2007 10:06:43 PM(UTC)
Rank: Veteran Reputation: Groups: Moderator, Registered, Veteran Joined: 1/03/2005(UTC) Posts: 14,901 Thanks: 1 times Was thanked: 559 time(s) in 534 post(s)		So it must be a big block flex plate? You can see on the bottom of the photo where they've balanced it I think. _______________________________________________________ If we all had the same (good) taste, who would buy all the Fords?
		_______________________________________________________ If we all had the same (good) taste, who would buy all the Fords?


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HK1837		#7 Posted : Monday, 15 October 2007 10:06:43 PM(UTC)
Rank: Veteran Reputation: Groups: Moderator, Registered, Veteran Joined: 1/03/2005(UTC) Posts: 14,901 Thanks: 1 times Was thanked: 559 time(s) in 534 post(s)		So it must be a big block flex plate? You can see on the bottom of the photo where theyve balanced it I think. _______________________________________________________ If we all had the same (good) taste, who would buy all the Fords?
		_______________________________________________________ If we all had the same (good) taste, who would buy all the Fords?


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Guest		#8 Posted : Monday, 15 October 2007 10:15:18 PM(UTC)
Rank: Guest Groups: Guests Joined: 2/09/2015(UTC) Posts: 43,977 Was thanked: 5 time(s) in 5 post(s)		Yes, I checked.. those weld marks hold a peice of steel on the back.. The auto guy said it is a big block flex plate, youre right. If I had ended up changing the flex plate would I then have had to take the engine to some kind of engineering joint to h

Guest		#9 Posted : Monday, 15 October 2007 10:15:18 PM(UTC)
Rank: Guest Groups: Guests Joined: 2/09/2015(UTC) Posts: 43,977 Was thanked: 5 time(s) in 5 post(s)		Yes, I checked.. those weld marks hold a peice of steel on the back.. The auto guy said it is a big block flex plate, you're right. If I had ended up changing the flex plate would I then have had to take the engine to some kind of engineering joint to

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