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#4810 - 12/28/05 01:25 AM 4.3 Liter Engine/Tranny question  
Joined: Sep 2005
Posts: 118
DeanHensler Offline
Member
DeanHensler  Offline
Member

Joined: Sep 2005
Posts: 118
Springfield, MO
I've got an 86 monte carlo sport coupe. Its got a 4.3 liter V6 with an automatic transmission. I'm turning it into a race car, which will have a 350 with a 3 speed manual transmission.

I know the bellhousing pattern on the 4.3 liter is supposed to be the same as the 5.7 liter 350. When I went to bolt the 350 bell housing up to the 4.3 liter engine the starter was interfearing. The bellhousing has a provision for the starter, but it didn't match up with the starter on the 4.3 liter.

My question is,

1. Does a 4.3 Liter engine use a different style starter than a 350?

2. Does an automatic transmission require a different starter than a manual?

I'm trying to figure out where my missing link is.

#4811 - 12/28/05 01:41 AM Re: 4.3 Liter Engine/Tranny question  
Joined: Mar 2004
Posts: 254
85SSMan Offline
Member
85SSMan  Offline
Member

Joined: Mar 2004
Posts: 254
Wichita, Kansas
yes and no. I beleive that the bolt pattern on the block is the same, but the opening and depth of the Tranny bellhousings are different. Basically if you are using a 3 Speed manual you will need a starter to fit a 350/3 Speed manual car. HTH
Chris



1985 Monte SS, Rebuilt L69 with TPI. 200-4R Tranny. 951 Modine with TPI duel fans. True 2 1/4 Flowmaster Duals. B.F.H. made dual hump crossmember. Stock Suspension, interior, and body.
SOLD TO INTMDATR3 ON 03/04/06
#4812 - 12/28/05 01:41 AM Re: 4.3 Liter Engine/Tranny question  
Joined: Dec 2003
Posts: 12,858
ss4ever Offline
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15+ Year
ss4ever  Offline
Moderator
15+ Year

Member

Joined: Dec 2003
Posts: 12,858
Shelbina, Missouri
I am just wondering why you are bolting the three speed to the 4.3? Are you just bolting it up so you can bolt the 350 to it and line up the engine mounts? If so I could take a pic of my frame out here from my parts car and you could see which set of holes to mount the mounts to.

I think the starters are different from a manual to an auto.

Let me know,
Randy


1983 Monte Carlo SS Turnkey ZZ4/700R4, Dakota Digital Instrument Cluster, 77k mile car. Many more mods to come soon.
#4813 - 12/28/05 02:07 AM Re: 4.3 Liter Engine/Tranny question  
Joined: Sep 2005
Posts: 118
DeanHensler Offline
Member
DeanHensler  Offline
Member

Joined: Sep 2005
Posts: 118
Springfield, MO
I'm wanting to bolt it up to the 4.3 so I can get all the kinks worked out, Bleading the hydraulic throwout bearing, shift linkage, etc. Before my race motor is ready to drop in. If I'm going to tear something up, I would much rather it be the 4.3 than my $5000 race motor.


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