Hi tech ? for Crossfire
Thread Starter
Intermediate
Joined: Sep 2007
Posts: 38
Likes: 0
From: Clarksville Tn
Hi tech ? for Crossfire
I've talked to mechanics in all sorts of feilds. And I haven't found anyone that can tell me how to modify this fuel system is it possible. The mechanics all tell me to yank it out and go with a different fuel delivery .
Drifting
Joined: Nov 2005
Posts: 1,601
Likes: 4
From: Texas
Don't listen to those hipshooting mechanics...
Turbo City has electronic(chip) upgrades to improve the fuel delivery
and Throttle Body rebuilding and boring for HP upgrades..
http://www.turbocity.com/default.php...abfe570c11ebe3
Turbo City has electronic(chip) upgrades to improve the fuel delivery
and Throttle Body rebuilding and boring for HP upgrades..
http://www.turbocity.com/default.php...abfe570c11ebe3
Drifting
Joined: Sep 2004
Posts: 1,270
Likes: 4
From: Celeste Texas
For most of us it's a really good system. Clean them, reseal both throttle bodies and the intake then increase the fuel pressure to 15 psi. You won't believe the difference. My basically stock 300,000 mile on the original motor car pulls real hard to 110 mph. This forum helps a lot but the crossfire forum only deals with crossfire cars and trucks.
Bill
Bill
Drifting
Joined: Nov 2005
Posts: 1,601
Likes: 4
From: Texas
Good info here on different mods/manifolds for Crossfire:
http://www.swko.net/~lionsden/crossfire.htm
http://www.swko.net/~lionsden/crossfire.htm
Thread Starter
Intermediate
Joined: Sep 2007
Posts: 38
Likes: 0
From: Clarksville Tn
OK! So if I do bore this injection system and boost the P.S.I. that would mean I nedd to mofify other parts so i don't thrash the rotory system or tear out transmissions and rearends?
Le Mans Master
Joined: Jul 2000
Posts: 6,664
Likes: 162
From: columbia city in
http://www.crossfire.homeip.net/cftest/go to the cross fire link .are you having a problem with the cross-fire ?are you looking for more hp ?
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Thread Starter
Intermediate
Joined: Sep 2007
Posts: 38
Likes: 0
From: Clarksville Tn
Well from everything that i have gotten from the web site was every thing is still experimental but me being in the business of living on the edge I'm going to try it LOL!!! If it fails I'll to on and move to plan B. Ok off to eBay to find a few tools and thanks for all the great info and the links.
Instructor
Joined: Aug 2006
Posts: 104
Likes: 0
From: Apache Junction Arizona
Check out this site also: http://crossfireinjection.net/
All about and for the CFI. I have done a lot of business with them and they really know their stuff!
Good Luck!
All about and for the CFI. I have done a lot of business with them and they really know their stuff!
Good Luck!
Safety Car
Joined: Nov 2005
Posts: 3,532
Likes: 1,185
From: Arizona - If you don’t know CFI, STOP proliferating the myths around it...
Well from everything that i have gotten from the web site was every thing is still experimental
Racer
Joined: Mar 2006
Posts: 276
Likes: 1
From: Pistoia PT (ITALY)
Tpi
I have a friend who owns a 1984 C4..... wich have basically the same engine than 1982 C3.
We make a good deal swapping the manifold with a X-ram.... ( www.x-ram.com ).
If you never seen the ports of a crossfire intake...... you will be very surprised of how small they are...... basically the 40% of the head ports (in the bottom) are corked!
We make a good deal swapping the manifold with a X-ram.... ( www.x-ram.com ).
If you never seen the ports of a crossfire intake...... you will be very surprised of how small they are...... basically the 40% of the head ports (in the bottom) are corked!
Safety Car
Joined: Nov 2005
Posts: 3,532
Likes: 1,185
From: Arizona - If you don’t know CFI, STOP proliferating the myths around it...
Actually, going to a an XRam manifold on a stock CF isn't the best choice and you will lose bottom end. Porting a stock manifold will yield more power across the board on a stock motor than an XRam. You could always add a spacer plate between the two top plates to gain more volume though.
The XRam makes the biggest improvements when coupled with a larger cube motor such as a 383 or larger. It does work fine on a somewhat modified 357 and 377 inch motor also. So, for most bang for the buck, go with the ported stock manifold. Besides, IMO the XRam is way over priced.
The XRam makes the biggest improvements when coupled with a larger cube motor such as a 383 or larger. It does work fine on a somewhat modified 357 and 377 inch motor also. So, for most bang for the buck, go with the ported stock manifold. Besides, IMO the XRam is way over priced.
Burning Brakes
Joined: Jan 2005
Posts: 847
Likes: 1
From: spring branch texas
I agree with the comment that the x-ram, although a alternative it will not bennifit you unless you have other mods to compensate for the loss in low end you'll get. As far as you concerns about the tranny and d44, I don't think you have anything to worry about with just fuel delivery mods as long as they are in good shape to start.
While you are porting you manifold it would be a good idea to have you tb's re-bushed. I've heard those guys at Dynamic Crossfire Solutions do a pretty good job.
While you are porting you manifold it would be a good idea to have you tb's re-bushed. I've heard those guys at Dynamic Crossfire Solutions do a pretty good job.