stock internals?? - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 7 (permalink) Old 03-11-2009, 03:35 AM Thread Starter
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stock internals??

how much hp can they handle and whats a good power combo???

2005 f-250, 97 cummins and zf6spd!!!!
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post #2 of 7 (permalink) Old 03-12-2009, 01:34 AM
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just depends,,, i've seen'en blow at 500 and I've seen stock internals hold 650. You can't go wrong w/ EFI live.
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post #3 of 7 (permalink) Old 03-12-2009, 01:56 AM
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Depends on the tuning, boost levels and cylinder pressure. Stock internals should be good to 550rwhp. After that, its a crapshoot.

I've been hearing lately that running larger injectors allows you to run less timing and pulsewidth, which makes roughly the same power, but is easier on the engine. Thats just what I've heard....I havent experimented with it.
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post #4 of 7 (permalink) Old 03-21-2009, 06:08 PM
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Quote:
Originally Posted by TheBac View Post
Depends on the tuning, boost levels and cylinder pressure. Stock internals should be good to 550rwhp. After that, its a crapshoot.

I've been hearing lately that running larger injectors allows you to run less timing and pulsewidth, which makes roughly the same power, but is easier on the engine. Thats just what I've heard....I havent experimented with it.

You are correct sir.

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post #5 of 7 (permalink) Old 04-07-2009, 12:17 PM
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Quote:
Originally Posted by TheBac View Post
Depends on the tuning, boost levels and cylinder pressure. Stock internals should be good to 550rwhp. After that, its a crapshoot.

I've been hearing lately that running larger injectors allows you to run less timing and pulsewidth, which makes roughly the same power, but is easier on the engine. Thats just what I've heard....I havent experimented with it.
Thats my next investment, and a turbo and LBZ CP3. Ok I have a little more than just injectors

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post #6 of 7 (permalink) Old 04-15-2009, 02:11 AM
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Originally Posted by Horsehaulin View Post
Thats my next investment, and a turbo and LBZ CP3. Ok I have a little more than just injectors

whats the difference???

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post #7 of 7 (permalink) Old 04-17-2009, 11:25 PM
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whats the difference???
supports up to 26k rail pressure. LB7 Cp3 only supports about 23500, unless you have a really good-performing one.

I have a Superdiesel modded LB7 reg and suction pump ready to go into mine whenever I get the time.
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