gains from stroking
10-31-2010, 06:44 PM
#4
If you're already getting a peak hp lower than your rev limit, you won't make more peak hp USING THE SAME PARTS. You will make the same power, but shift the power curve to a lower rpm range. If you up the head/cam intake package to suit the extra cubes, you can keep the same basic power curve, but stronger overall.
The extra compression that can come from stroking it would help power, however.
Torque numbers follow the same stuff as the hp, depends if you're matching parts for the extra cubes.
If you like where your power is, but want more overall, cam it with the extra stroke. Heads too if $$ lets you.
The extra compression that can come from stroking it would help power, however.
Torque numbers follow the same stuff as the hp, depends if you're matching parts for the extra cubes.
If you like where your power is, but want more overall, cam it with the extra stroke. Heads too if $$ lets you.
10-31-2010, 07:03 PM
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well i have already got the parts i guess
TSP 383 stroker kit balanced 11.25:1
Fast 90/90 setup
PRC 5.3L stage 2.5 heads. had them ported to get rid of reverse flow numbers...now they actually flow what they are suppose to after 300-400 dolars of porting
MS4 cam
Kooks 1 3/4" LTS
not sure where this setup will put me but hoping to get around 430RWHP with an A4
TSP 383 stroker kit balanced 11.25:1
Fast 90/90 setup
PRC 5.3L stage 2.5 heads. had them ported to get rid of reverse flow numbers...now they actually flow what they are suppose to after 300-400 dolars of porting
MS4 cam
Kooks 1 3/4" LTS
not sure where this setup will put me but hoping to get around 430RWHP with an A4
Last edited by little_chewy_69; 11-03-2010 at 05:41 PM.
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11-01-2010, 02:55 PM
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well i have already got the parts i guess
TSP 383 stroker kit balanced 11.25:1
Fast 90/90 setup
PRC 5.3L stage 2.5 heads. had them ported to get rid of reverse flow numbers
MS4 cam
Kooks 1 3/4" LTS
not sure where this setup will put me but hoping to get around 430RWHP with an A4
TSP 383 stroker kit balanced 11.25:1
Fast 90/90 setup
PRC 5.3L stage 2.5 heads. had them ported to get rid of reverse flow numbers
MS4 cam
Kooks 1 3/4" LTS
not sure where this setup will put me but hoping to get around 430RWHP with an A4
11-02-2010, 11:06 AM
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11-03-2010, 01:20 PM
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well i kind of planned on replacing the converter when i get the tranny rebuilt in the spring im sure it will stall to about 4500-5000 because i think it's specced for mildly modified at 3500. but what is the deal with the adapter ring what happens if it has one???
11-03-2010, 01:30 PM
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i am too i guess but by the time it's all said and done it will be about a month before i have some graphs in front of me. Im not doing this myself so a lot of talking on the phone to be on the same page as him. still waiting to get the bottom end together and heads on so i can order pushrods
11-03-2010, 01:37 PM
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11-03-2010, 03:28 PM
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Here is my 393 (3.9x4.1)
https://ls1tech.com/forums/dynamomet...acing-cam.html
https://ls1tech.com/forums/dynamomet...acing-cam.html
11-03-2010, 05:21 PM
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to answer that yeah i looked into building a 408 but im not gonna chuck this project that i have about 5 grand in and start over sorry i don't have that kind of money to waste. i thought i had a block and rotating assembly for 2 grand but he acted pretty shady and didn't seem like the type of person i like to deal with. and that discouraged me a little so i just said the hell with it a 383 will get me where i want to be. i have to stop somewhere because im not sticking 10 grand in a motor. another reason is my intake is cathederal port and i think i want to leave it that way. in all reality the cost difference is really just buying the block kits are the same. then i would get ragged on for having a set of 5.3's on it. sorry im not trying to come off as a dick.
Last edited by little_chewy_69; 11-03-2010 at 05:28 PM.
11-03-2010, 07:11 PM
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i am too i guess but by the time it's all said and done it will be about a month before i have some graphs in front of me. Im not doing this myself so a lot of talking on the phone to be on the same page as him. still waiting to get the bottom end together and heads on so i can order pushrods
https://ls1tech.com/forums/generatio...cast-iron.html