Do i need a high torque starter????
#1
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Do i need a high torque starter????
Ok, trying to decide if i need to go to a high torque starter. The engine is an LS3 erl dry sleeved stroker 434ci. 11.5:1 compression with a 237/247 114 cam. wandering if the stock starter off the l76 that was in the car is adequate or if i need to get a replacement. If so what would you suggest? its going into a G8.
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Yea i figure it should crank it and i assume the l76 starter will work on an ls3 block? just wandered how well it would crank it. the ls7 may have a stouter starter? also you increased 30ci and what .2 points on compression. Ive went up 70 inches and 1.2 points on compression i why im concerned. If i can get by without a high buck starter im all about it at the moment this thing and buying a house is about to break me.
#4
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Mine is the stock 1999 LS1 starter with a little Braille battery.
So it went up 111 cubes and a .7 jump in compression. Same starter worked fine on my 412 with 12.4:1. No way yours would need more.
If you want to spend money you do not need too, by all means. I have done that several times myself. In fact one item was a hi torque starter that would not fit with my headers, no matter wear I indexed it too. Someone got a good deal on it.
So it went up 111 cubes and a .7 jump in compression. Same starter worked fine on my 412 with 12.4:1. No way yours would need more.
If you want to spend money you do not need too, by all means. I have done that several times myself. In fact one item was a hi torque starter that would not fit with my headers, no matter wear I indexed it too. Someone got a good deal on it.
Last edited by RAMPANT; 08-17-2011 at 03:25 PM.
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#8
Most stock starters are fine IMO. Your static compression went up but your overlap will let more than enough out to cancel that. You don't have an old school chevy motor with a locked out distributor or anything.
You will be fine dude, don't worry about it.
You will be fine dude, don't worry about it.
#14
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Yeah, I know this is an old thread... BUT.. It was never resolved. My friend has a 2011 SS and it's LS3 started cranking slower and slower over a period of time. He replaced the battery twice (now as a 1,000 cold cranking amp battery). No difference. Replaced the starter twice with stock autozone starters. No difference. Ran redundant grounds with 1/0 cable. No difference. Ran the Ford Remote solenoid. No difference. Ran new 1/0 cable from the battery to the solenoid to the starter. No difference. Suspecting mechanical interference, took out all plugs and spun the crank with a ratchet and socket. Easy to turn. Thinking I'd help a bud out, I went online and ordered the Proform high torque mini-starter. On the sites like Summit and Jegs, it claims this starter fits every LS there is. But, when it arrived, you can't even mount it on the LS3. The space between the top of the flange and the starter gear is about an inch too tall. Had to send it back. I've since seen other ads for the same starter that omit the LS3 from the listed models.
#15
TECH Resident
My 2011 SS LS3 has cranked slow ever since I bought it!! It has never failed to start and still has the factory battery.. I'll probably change it this winter just for my peace of mind. Probably go to a OPTIMA..