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| RT/10 and GTS Discussions (1992-2002) For technical and general questions and discussions related to the GEN I/II RT/10, GTS, and ACR Vipers (1992-2002). Sponsored by: Doug Levin Motorsports |
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#31 | |
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VCA Member
Join Date: Oct 2006
Location: Buffalo, NY
Posts: 409
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Quote:
Or much to slow???? ![]() |
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#32 |
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Enthusiast
Join Date: Aug 2001
Posts: 999
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#33 |
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Viper Owner
Join Date: Apr 2003
Location: Charlotte, NC
Posts: 1,240
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After further review, there is nothing wrong with the cross hatching
![]() But BIG THANKS TO MIKE (99 RT/10)!!! The rocker stands I bought were for a GEN3 and Mike came through and sent me his GEN2 stands to keep this build going!!! |
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#34 |
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VCA Member
Join Date: Apr 2002
Location: MS
Posts: 2,252
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This is the way to perform a DIY build. Take your time, get some really good parts and enjoy the process. I would say the 600 mark will be achieved easily and I cant wait to see/hear the car. Very nice setup.
J
__________________
2008 SRT Orange Roadster Gone-01' Sapphire RT/10 Creampuff 10.19 at135 (620rwhp 690rwtq) 12/21/04 - 3/11/05 R.I.P. Jackson |
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#35 |
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Suspended
Join Date: May 2007
Location: Orlando, FL
Posts: 755
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I see a easy 600rwhp in that setup. I'm glade you took my advice and went with the higher CR...you will be happy with it. My motor is REAL happy with that cr.
For the most part, you have the N/A Build I wish I could have done at the time. The only thing I would do different I would add/change would be to make it a 510cid...or use a SRT crank and make it a 522cid stroker. You could use a slightly larger cam and make about 650rwhp. Get that thing done and well meet up and get some vid of us doing some 50-150mph roll-ons in mexico. Last edited by Disturbed; 12-13-2008 at 07:54 PM. |
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#36 |
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Your going to love that N/A power! If I go through my motor again, I will go with 11:5/1 as well. Vipers love compression.
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#37 |
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Collinsville TX Viper owner
Join Date: Dec 2008
Location: Lewisville,TX
Posts: 25
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Nice list of parts! The stock intake will kill your combo, unless it is heavily ported.
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#38 |
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#39 |
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Collinsville TX Viper owner
Join Date: Dec 2008
Location: Lewisville,TX
Posts: 25
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I also run a bone stock intake and tbs. My combo is good for 603whp and 610wtq. With such a large cam, he will need rpm and a bunch more air to make his goal of 650.
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#40 |
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Viper Owner
Join Date: Apr 2003
Location: Charlotte, NC
Posts: 1,240
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#41 |
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Collinsville TX Viper owner
Join Date: Dec 2008
Location: Lewisville,TX
Posts: 25
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Thats good news! I just completed a gen2 stroker with Good heads on it,very similar to your package. With stock tbs and port matched intake, it did 626hp/622tq. It was was starving for air past 5500rpm. I do have a set of 70mm tbs to put on it and then back to the dyno it goes. With your aftermarket manifold, I think it will be well over 650hp but at a much higher rpm. Should be a mean SOB when you get all worked out!
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#42 |
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Suspended
Join Date: May 2007
Location: Orlando, FL
Posts: 755
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All of you N/A guys with over 560rwhp....
...ALL OF YOU CAN RUN HIGH 10'S ALL DAY LONG ON PUMP GAS AND STREET TIRES... 01 GTS is going to have more power than me. I've run 11.01@128mph w/ 1.9 60ft time. I think my ACR has some 10.80's in it. I think when Steve is done...he will have atleast 650rwhp N/A. I bet with some slicks and a few more tricks...he'll be in the 9's. GO GTS GO |
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#43 | |
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Quote:
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#44 |
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Viper Owner
Join Date: Apr 2003
Location: Charlotte, NC
Posts: 1,240
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#45 |
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Enthusiast
Join Date: May 2002
Location: Houston, Texas, USA
Posts: 287
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What some turd heads!
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#46 |
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Enthusiast
Join Date: Jan 2006
Location: Madtown, WI
Posts: 100
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#47 |
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Enthusiast
Join Date: Jan 2006
Location: Madtown, WI
Posts: 100
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Quick 2-part question maybe someone can help provide some info on....I, like several others are still using the stock intake manifold. At what point (what is an indicator) that one would benefit from having it port-match, etc? Secondly, is the power gain mainly at peak or would it provide increased performance throughout the power band?
Thanks in advance! |
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#48 |
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Enthusiast
Join Date: Sep 2006
Location: DFW
Posts: 54
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If you have ported heads the ported intake will pick up power everywhere.
Last edited by hardtop; 12-18-2008 at 10:07 PM. |
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#49 |
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Enthusiast
Join Date: Jan 2006
Location: Madtown, WI
Posts: 100
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I think you mis-understood my question or more likely, I didn't express myself clearly.
I know the impact of the ported heads, I have those already. My question is regarding porting/modifying the stock intake manifold. Thanks. |
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#50 |
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Enthusiast
Join Date: Sep 2006
Location: DFW
Posts: 54
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I've had cars pick up 12-15 rwhp in the midrange with a ported intake, but it need a good set of heads to do it.
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#51 |
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That looks like a great build. I have found in the past that a few simple things can help get the peak numbers you want. First off, verify your compression ratio. These engines love compression with a big cam. I have had engines pickup 50 rwhp with a point change. You can get a cylinder and combustion chamber volume check tool on line for about $100. Cranking compression should be at least 180 psi (even with that cam). Just changing to a thinner gasket can get you 1/2 point.
Centerline the cam for peak power, you may loose torque down low but will gain power from 5000-6200. Use a 5 into 1 merge header. 1 5/8ths to 1 3/4 step headers with 29 inch primary tubes and a Burns merge make best peak power. CDI, Archer, SVS and American Racing have made headers like this. Do not go with too big of an injector, with low vacuum and a big nozzle the engine will be hard to tune down low and will run too rich when cold. This tends to wash the oil out of the rings and cause higher oil consumption. There are some changes you can make for windage losses as well, this can add some hp. Just my 2 cents. Hope to see you make those numbers with a NA build.
__________________
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#52 | |
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Enthusiast
Join Date: May 2002
Location: Houston, Texas, USA
Posts: 287
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Your intake is stock? I thought it was at least port matched.
![]() I've had solid 10-12 hp gains (peak #) reported back to me on the back2back tests done in the past. Ever upgrade the fuel system? Greg Quote:
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#53 | |
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Enthusiast
Join Date: May 2002
Location: Houston, Texas, USA
Posts: 287
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Hey Dan, how are you doing out there?
Steve is one of those guys that makes an awesome customer. Why? Main reason is he listens. The compression is about as high as he should go on pump gasoline, he let me talk him into a bigger cam, the qunch is very tight etc. I really like N/A horsepower. I hope it does well. Greg Quote:
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#54 | |
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Enthusiast
Join Date: Jan 2006
Location: Madtown, WI
Posts: 100
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Quote:
Nope, intake is still untouched. Fuel is still stock too. Plan on taking care of both in 2009, which should push me over the 600rwhp mark ![]() |
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#55 |
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Nice fingerprint close-up
__________________
Andrew A. Cinque 2000 Steel Gray RT/10 2003 Ram 1500 HEMI |
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#56 | |
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Viper Owner
Join Date: Apr 2003
Location: Charlotte, NC
Posts: 1,240
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Quote:
But Greg was the biggest help of anybody on what the final specs needed to be and what I needed for it all to work together to shoot for big numbers in the end. And Dan: The cam was advanced 2 degrees IIRC. The 65lb injectors will be scaled down with the Vec3, hope I don't have any problems there. Steve |
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#57 |
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It looks like a very nice build!
GG did my heads too, I kept the stock pistons and the car dynoed @ 575rwhp. on a 93 deg. day. My CR is 10.66, and GG did port match the intake manifold. The stock TB are also ported by DLM, I did keep my stock injectors as per by DLM. I agree with Dan about the tuning down low with the large injectors. I had the some problem with my tunning due to my large cam, even with the stock injectors. I still get some idle hang when engine is cold and when engine is coasting. Need to visit DLM again to correct the problem. I hope you reach those numbers. Good luck to you. |
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#58 |
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Viper Owner
Join Date: Apr 2003
Location: Charlotte, NC
Posts: 1,240
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Nice numbers! I guess my biggest concern will be the tuning, but Joseph Dell said he would help with that.
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#59 |
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Viper Owner
Join Date: Apr 2003
Location: Charlotte, NC
Posts: 1,240
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Can anyone tell me of I am going to have problems with the 65lb injectors? They are low impedance.
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#60 |
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Viper Owner
Join Date: Apr 2003
Location: Charlotte, NC
Posts: 1,240
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Almost there!
Here are some crappy pics from my blackberry: ![]() Up close of the billet valve covers that a friend is making: ![]() |
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