LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Highest HP Hyd roller guys?

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Old 10-15-2008, 01:02 AM
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Default Highest HP Hyd roller guys?

What the highest RWHP out of a hyd roller with LTX? Tell me your setup


I am building a 383 with Trickflow heads and ported LT4 intake built bottom end with 11:2:1 comp. I am hoping to get atleast 450rwhp. Am I dreaming or can it be done with what I got thanks.
Oh this is through a 12 bolt and 6 speed.
Old 10-15-2008, 08:21 AM
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Should not be a problem. One of our cars did 447RWHP SAE corrected through an automatic and is a daily driver with a farily mellow HR cam
Old 10-15-2008, 08:36 AM
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I hit 460rwhp last weekend through a 6 speed and 9".
383 ported LT4 heads/intake. 12:1 comp.
Old 10-15-2008, 08:56 AM
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My old hydraulic setup years ago did 479 rwhp n/a. AFR 190's, 9"......etc. It can and has been done. Give me a PM if you want more details.
Old 10-15-2008, 10:43 AM
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no your goals are within reason. Who is going to do the work on the heads and intake? How big of a HR cam are we talking?

I ask because you may even break 450rwhp with the right setup. Will it have every supporting mod?
Old 10-15-2008, 01:45 PM
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Originally Posted by slomarao
no your goals are within reason. Who is going to do the work on the heads and intake? How big of a HR cam are we talking?

I ask because you may even break 450rwhp with the right setup. Will it have every supporting mod?


RayMac from RayMac engines is going to do all the porting. He is one of the best in Texas in My opinion and also a friend of the family. The cam will have about a .600 lift on it on the Trickflows 195cc 2.02 int and 1.60 exh which will be worked over along with the LT4 intake.
Old 10-15-2008, 01:48 PM
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Sorry to go off topic here but you are from Burleson? Been to 'Babes" restaurant?
Old 10-15-2008, 01:52 PM
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Originally Posted by Tony Shepherd
Sorry to go off topic here but you are from Burleson? Been to 'Babes" restaurant?

I could hit that place with a football from my house. There chicken and catfish is like crack. Hell when my cat runs away I always find him passed out next to the babes dumpster couple days later. That place is the SH*T
Old 10-15-2008, 01:53 PM
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Originally Posted by phantomLT1
I could hit that place with a football from my house. There chicken and catfish is like crack. Hell when my cat runs away I always find him passed out next to the babes dumpster couple days later. That place is the SH*T
Food is good and the scenery is awesome!
Old 10-15-2008, 02:43 PM
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off topic aswell but ill have to go check that place out...
Old 10-15-2008, 03:06 PM
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Yup.... it has been done, will be done in the future...... fairly easy...

I had ported stock castings, SRP pistons in a 6" rod 355... stock crank, LT1 manifold, long tubes, etc......

Put down 422RWHP NA..... wasn't all that nasty of a hydro roller either..... And it wasn't tuned to it's optimum either..... It would have made 440 easily with some more time in the DFI tune....
Old 10-15-2008, 06:26 PM
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That shouldn't be a problem. As mentioned before, with the right/matched heads/cam setup, you hit that mark, if not pass it.
Old 10-15-2008, 08:55 PM
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As you can see in my sig, I hit 445rwhp with my setup. As others have mentioned, 450 will not be a problem with the setup you will have as long as everything is done right.
Nice looking car too.
Old 10-15-2008, 09:32 PM
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Keep em commin' guys, it's awesome to see so many fast H/R setups out there.
Old 10-15-2008, 09:53 PM
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Originally Posted by James Montigny
Keep em commin' guys, it's awesome to see so many fast H/R setups out there.


Got another ? will 36lb injectors be good enough my tuner says its better to have them maxed out then going with 42lb injectors
Old 10-15-2008, 09:56 PM
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Originally Posted by phantomLT1
Got another ? will 36lb injectors be good enough my tuner says its better to have them maxed out then going with 42lb injectors
That's an interesting theory.
By "maxed" does he mean 80-85 duty cycle or does he mean 100%?

My understanding is that pushing them too hard can result in a distorted spray patten.

A little too big seems better than "just maybe enough" to me.
I'm not talking 72# where a 36 is needed, but 42 vs 36 shouldn't be an issue.
Old 10-15-2008, 09:58 PM
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Originally Posted by James Montigny
That's an interesting theory.
By "maxed" does he mean 80-85 duty cycle or does he mean 100%?

My understanding is that pushing them too hard can result in a distorted spray patten.

A little too big seems better than "just maybe enough" to me.
I'm not talking 72# where a 36 is needed, but 42 vs 36 shouldn't be an issue.

He says that they will be at 80% but the nitrous will max them out. What are you using?
Old 10-15-2008, 10:00 PM
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Originally Posted by phantomLT1
He says that they will be at 80% but the nitrous will max them out. What are you using?
I ran 30# SVO on my old setup, I'll be running 42# Racetronix on my new setup.
If I do N20 later, it'll be direct-port so the injector size is unaffected.
Old 10-15-2008, 11:19 PM
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the guy were im gonna get mine tuned told me i would be lucky to put down 400 at the wheels,without the spray
Old 10-16-2008, 09:29 AM
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Originally Posted by darrell hoagland
the guy were im gonna get mine tuned told me i would be lucky to put down 400 at the wheels,without the spray
Entirely possible depending on the cam used and if timing is
pulled in the tune to accommodate N20.


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