Re: [Amc-list] Flexplate & Mini-Starter Questions for 727 auto

[Davis Martin <martin-davis@xxxxxxxxxxxxx>]

I have been racing amc's for 25 years. I have broke 2 flexplates before I went to an aftermarket sfi plate.( NOT a fun experience) I was just thinking he probly really likes having feet. If he was building a stock or even a mild engine I would agree. But he is tweaking the heck outta that engine. and for the extra 20 or so bucks why worry about it? Where are the new stock plates made? What are they made outta nowadays?  I wish the sfi was available when I got mine. I paid 420.00 for a custom milodon. Now Maddog has em for under 70 bucks!
   Davis  

Wrambler242@xxxxxxxxxxx wrote:
  I'm not so sure I understand why you think a stock plate will break???
I have driven and worked on AMC's since I was 10-12 years old and I can probably count the number of flexplates I have replaced on both hands...

Oh, yeah, I'm 46 years old and was a dealer tech from 80-90 at AMC/Jeep dealers.
My dad is a mechanic at Tewells in Uniontown, Pa an ex AMC Rambler dealer since 1954.

I'm not saying an SFI plate is a bad idea but for street Jeep. saying he definitly needs one is a little extreme.

--
Mark Price
Morgantown, WV
1969 AMC Rambler, 4.0L, EFI, T-5
2004 Grand Cherokee Laredo, 4.7L, Quadratrc II
" Chronic Pain Hurts"

-------------- Original message ----------------------
From: Davis Martin 
> You definitly do NOT want a stock flexplate, It will break! . If I were doing it 
> I would get the SFI 727 flexplate from Maddogracing.com on Ebay it cost about 
> the same, Then just take the balance weight off it. Your machine shop can make 
> sure it is neutral balanced. Then you will have no problem using the Mini 
> Starter. BTW I got my mini starter from Alterstart in TX. On ebat for 139.00 
> Davis 
> 
> Greg Taylor wrote:
> I am planning to buy a 6-cylinder flexplate for the neutral-balance build on 
> the 304 stroker motor. This will be replacing the weighted flexplate for my 1989 
> Grand Wagoneer's current 360.
> 
> I have researched the various flexplates at www.partsamerica.com for a 1989 GW 
> (360, weighted) a 1989 YJ (258 non-weighted) and a 1980 GW (258 non-weighted). 
> They all are the same diameter, same tooth count and pitch. The 1980 258 unit is 
> about $20 less than the 1989 258 unit (YJ).
> 
> I would like to run a high torque mini starter, in place of the stock Chrysler 
> "mini-starter", since I'll be pushing 10:1 compression with the stroker. I had 
> talked with a guy on Ebay (happens to live not far from my work), who sells 
> Mini-starters and he said that the mini-starter would not work with my 
> 1988+newer GW 727.
> 
> Is there something different about the 1988+newer trannies or flexplates, that 
> would prohibit the use of the mini-starter? Are the bolt holes different in the 
> tranny and/or starter?
> 
> Could I run the 1980 258 flex plate and then use the high-torque mini starter?
> 
> Is the stock Chrysler 'mini starter' strong enough to handle 10:1 and should I 
> just stick with it? Please keep in mind that I still have to swap from a 360 
> flex plate, to a neutrally balanced (no weight) 258 flexplate for my stroker 
> build (it will be internally balanced).
> 
> Also, the stock mini-starter has full power to it and then a supplemental 
> ignition wire that engages the starter. Could this be why a mini-starter won't 
> 'work'?
> 
> Thanks for the feedback, all!
> 
> 
> Sincerely,
> Greg Taylor :) <><
> 
> And the testimony is this, that God has given us eternal life, and this life is 
> in His Son. He who has the Son has the life; he who does not have the Son of God 
> does not have the life. - 1 John 5:11-12
> 
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