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Old 12-16-2003, 01:06 AM
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High torque starter?

I did some searching on this topic, but oddly enough nobody has answered this question on this board. When does one need a high torque starter? At exactly what compression ratio do you cross the boarder?

K

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Old 12-16-2003, 01:10 AM
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I'm not entirely sure static compression ratio will determine the need for a high torque starter?
Cylinder pressure maybe, as the cam will influence the cylinder pressure.

Are you having trouble turning your engine over, or?
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Old 12-16-2003, 02:36 AM
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not really but I'm going from 8:1 to about 11 or 11.5:1 and I'm worried about a stock starter doing the trick. Its a pain to get it out with the headers in there, so I'd like to just put whatever I need in there before I get it all together. But I'd rather not pay the big dollars for the high-torque starter if I don't need it.

Opinions?

K
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Old 12-16-2003, 02:53 AM
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I got me a high torque starter from Summit,one of theirs,and it starts my 10.0 : 1, 355 in a sec.Itīs also small, so itīs away from header heat.
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Old 12-16-2003, 07:42 AM
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I agree, the high torque starters are usually smaller, and they spin the engine quicker. Lighter too.
I would think if the specific high torque starter fits, there wouldn't be any reason NOT to use it.
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Old 12-16-2003, 09:57 AM
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Replacement

My friend races cars and the best reason he could come up with was quicker starts + less wear = less need to change the thing.
I just like using them on my 383s for the quicker start when the engine is warm.

hr41pearl
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Old 12-16-2003, 10:09 AM
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I just put in a 454 with 12 to 1 compression and my high torque starter wouldnt do the job. Instead of putting on a aftermarket starter, I am using one off a newer model pickup which is a gear reduction starter. It starts the engine good. Also I always use a heat shield. I,ve never seen one in a store that I liked. What I do is cut a piece off tin about 10" X 10", then cut a piece of gasket material and another piece of tin 8" X 8". I put the gasket material in the middle of the two pieces of tin and fold the larger piece around the two smaller pieces. I then bolt the shield between the headers and the starter using some metal straps I cut and bolt them to the header bolts and the shield. Its always done a good job for me. Without it I always had starter problems.

Kevin
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Old 12-16-2003, 10:26 AM
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I have been running the same mini starter for about 6 years. I bought it from Tommy Johnson Motorsports, I think I paid $119. This in on a stroked small block Chevy. I had it on a couple engines from 10.5-1 and 11-1) no problems at all.

As far as heat, since it is smaller it is not as close to the header. I use a starter blanket , it wraps around the starter and fastens with velcro Summit part number DEI-010402 $27.39
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Old 12-16-2003, 04:39 PM
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Re: High torque starter?

Quote:
Originally posted by killerformula
I did some searching on this topic, but oddly enough nobody has answered this question on this board. When does one need a high torque starter? At exactly what compression ratio do you cross the boarder?

K
It's 10th grade math my boy!!!!
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Old 12-16-2003, 05:13 PM
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Thanks for the useless post wrencher, glad to see you're letting things go and getting on with your life. Good job, keep it up.

Anyway, so we don't think my stock starter is going to do the job then, right?

K
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Old 12-16-2003, 05:22 PM
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Wrencher, there are probably 100 plus reasons why it cant be answered. Ignition timing, cam overlap, cam centerline, fuel type, what the persons definition of high torque starter is, dispacement, voltage to starter, type of cables, ect. If your having trouble cranking with a regular starter then you have to upgrade.
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Old 12-16-2003, 05:23 PM
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Your Choice

Well, I think the choice is yours. Your original request was to not have to replace very often. There really is not definitive answer. A stock united with a shield works for 90 %, but if you are and you say you are concerned about having to change it then go light and strong. Even then, you could over kill with a little extra insulation. I run 10.5 on the strokers with cheap gas. A couple of short trips to the store and I am glad I have the high torque. Only math I know of is how much you got in your pocket.

hr41pearl
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Old 12-16-2003, 05:31 PM
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I wouldn't spend the money unless you need it. If the engine is hard to crank and you're eating through brushes and the armature goes bad, then go high torque. Oem starters put out good torque for most applications. I heard that 12-13:1 is where you start needing high torque starters. I may be wrong though. Also, someone told me that the mini starters are strickly for racing and you don't get as much life out of them as the oem style high torque starters. But if you got the $$ go ahead and get a high torque starter. Less stress on your starter,will last longer, plus start quicker.
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Old 12-16-2003, 06:31 PM
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I cant exactly put a number on when you should go to a high torque starter but I do know that if my powermaster starter wont turn my 383 over that its prolly because a rod has ventilated the block and jammed the crank so it cant spin..... Also its one less thing to have to worry about while you are at the track, mudbogging, drag racing whatever. God knows ya got more than enough to worry about as it is....

Another alternative is a start retard box if you are running an aftermarket ignition, if ya knock 10 degees or so off the top of your timing while starting, your starter will thank you for it

my 2 cents


-j-rOd
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Old 12-16-2003, 06:38 PM
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i have 11.5 to one and i still use the factory starter i dont have any problems
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