Starter Working Too Hard to Crank Stroker

[Jeronimojc]

I feel my starter is working too hard to crank my new stroker block. Do you guys have any simple ideas to address this? I recall reading something about changing the ground wire location, but couldn't recite why or how this works.


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[babbage]

Congrats on your build, good job.

How many CCA is your battery? 650CCA is stock, many including myself went with Motorcraft 850cca.

http://www.oreillyauto.com/site/c/detail/MOT2/BXT65850.oap?ck=Search_03321_1 122163_-1&pt=03321&ppt=C0005

Adding a ground is a good idea, haven't done this.

[fastblackmerc]

Get a higher cranking output battery as suggested. Also a big 3 upgrade will help.

[RacerX]

Stroker won't make a difference at all. I have a 5.0 stroker. The swap di not change how it started. Pull the connectors off the starter, use some 120 grit sandpaper on both sides, reconnect with electrical grease.

[JohnE]

Make sure your grounds are good too. No engine paint, etc.

[Jeronimojc]

Congrats on your build, good job.

How many CCA is your battery? 650CCA is stock, many including myself went with Motorcraft 850cca.

http://www.oreillyauto.com/site/c/detail/MOT2/BXT65850.oap?ck=Search_03321_1 122163_-1&pt=03321&ppt=C0005

Adding a ground is a good idea, haven't done this.


Thanks you! Will check the battery size. I'll look into adding a ground. That sounds like a simple solution


Stroker won't make a difference at all. I have a 5.0 stroker. The swap di not change how it started.


Hmmm. I didn't think so either, but I read of others going to larger displacement having the same issues. More importantly, I was able to turn the flexplate by pushing on the teeth with a screw driver before I swapped engines and I couldn't do the same after the swap (without contact between the flex plate and the torque converter). Will roughen the battery terminals as you suggested though. It can't hurt.


Make sure your grounds are good too. No engine paint, etc.


Will do. I am trying to remember where the grounds are. Two near the battery and one behind the engine. Is that all?


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[justbob]

You would love my starter! Turns the engine over stupid fast..

I believe they discountinued selling these branded in the Jegs name right after I bought it, but this is identical to the one I bought and sold through Summit.

http://m.summitracing.com/parts/pwm-9532

No chance your timing chain is off a tooth is it? Your OE starter should be fine. I only upgraded because it was pretty..

[MOTOWN]

The cheap azz in me plans to buy this at some point! http://www.ebay.com/itm/200669793473?_trksid=p2060778. m1438.l2649&ssPageName=STRK%3AMEBIDX%3AIT

[RacerX]

You would love my starter! Turns the engine over stupid fast..
http://m.summitracing.com/parts/pwm-9532
I only upgraded because it was pretty..

Good Lord Bob! Lol! How's that with LT's?

[Jeronimojc]

You would love my starter! Turns the engine over stupid fast..

I believe they discountinued selling these branded in the Jegs name right after I bought it, but this is identical to the one I bought and sold through Summit.

http://m.summitracing.com/parts/pwm-9532

No chance your timing chain is off a tooth is it? Your OE starter should be fine. I only upgraded because it was pretty..


Wow, I would love that.

The car starts fine and I noticed it is getting easier on the starter after a few miles on the engine. I'll work on making sure I have good grounds. I am 100% sure the timing chains are correct. Thanks.


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[lifespeed]

Battery cranking amps are most often the issue. If your battery is old it puts out even less than rated. Of course the cables need to be decent as well.

One way to tell is check the voltage at the battery when cranking. If it is a cable problem the voltage won't drop as much while cranking. If it is a battery amps issue the voltage will drop like a rock.

[justbob]

Good Lord Bob! Lol! How's that with LT's?

No issue whatsoever! I did have to clock it. No biggie. All the cables reached as well.