Hi !
To install a secondary fuel system is probably the best option for most of you guys.
You use the OEM system for starting and light dyty driving, and then at high loads, the extra fuel will be delivered by a fully adjustable aftermarket system.
This will in general give you the best fuel economy/emissions and so on.
But still having a lot of bhp´s under the hood..... :-)

Best is usually to have one extra injector for each cylinder (port).
The secondary fuel system inputs are much less complicated compared with an OEM system, and it does´nt have to be so complicated !
Basically you need: rpm, manifold pressure/temperature, and throttle position.
It is not even close to what a "real OEM" system can do, but in most cases good enought.

By the way, when it comes to fuelspary pattern of the injectors and surface of the intake runner, there are quite a few things to remember.
Just a few rules, avoid to wet the intake runner too much, if possible aim at the valve head.
And do not use highly polished intake runners if the injector is situated far awy from the intake valves.
This can/will cause fuel drops, and possibly misfire.

posted by 192.85....

• Question about buying the Trent RRFPR?, burlyb, Wed, 13 Mar 2002 12:21:49
  • Re: Question about buying the Trent RRFPR?, Johann F, Thu, 14 Mar 2002 07:57:18
  • I paid $107 back in Jan., Chad B, Wed, 13 Mar 2002 14:00:08
    • Re: I paid $107 back in Jan., New Orleans, Wed, 13 Mar 2002 19:52:42
  • Two Emails re:curved mirror and no response..hello?, gc, Wed, 13 Mar 2002 13:53:43
  • Trent-SPG9-SD-RRFPR?, Kevin K , Wed, 13 Mar 2002 12:59:06
  • No VAT for US customers n/m, John Rose, Wed, 13 Mar 2002 12:32:50
    • I was just about to post "forget it" :), burlyb, Wed, 13 Mar 2002 12:34:58
      • RRFPR vs fuel delivery/needs, Dr Boost, Wed, 13 Mar 2002 13:25:35
        • no C900 chips for US, dyno chart .., Kevin K , Wed, 13 Mar 2002 15:01:53
          • On that note: how is it, WASSAAB, Wed, 13 Mar 2002 15:50:19
            • You're using LH 2.4, right? (n/t), Ragnar, Wed, 13 Mar 2002 17:15:14
              • Ragnar, do you know of chips for LH2.4? n/m, Chad92900T, Wed, 13 Mar 2002 17:51:14
              • US 88 SPG = Bosch LH 2.2 n/m, WASSAAB, Wed, 13 Mar 2002 17:34:45
        • I guess you mean an EPROM, not EEPROM... (:, Ragnar, Wed, 13 Mar 2002 14:49:18
          • Re: I guess you mean an EPROM, not EEPROM... (:, Dr Boost, Wed, 13 Mar 2002 16:35:46
        • Have you used a RRFPR before?, WASSAAB, Wed, 13 Mar 2002 14:43:27
          • Re: Have you used a RRFPR before?, kooch, Wed, 13 Mar 2002 17:15:59
            • Which RRFPR do you have?, WASSAAB, Wed, 13 Mar 2002 17:37:36
              • Re: Which RRFPR do you have?, kooch, Wed, 13 Mar 2002 19:20:26
              • rrfpr still has to be better than a 'fixed' 3 bar??, burlyb, Wed, 13 Mar 2002 18:01:43
                • Re: rrfpr still has to be better than a 'fixed' 3 bar??, Dr Boost, Thu, 14 Mar 2002 11:01:14
                  • thanks for the comments! (n/m), burlyb, Thu, 14 Mar 2002 12:14:26
          • Re: Have you used a RRFPR before?, Dr Boost, Wed, 13 Mar 2002 16:40:15
            • adjustable fuel curve, Brad, Wed, 13 Mar 2002 19:39:14
              • Re: adjustable fuel curve, Dr Boost, Thu, 14 Mar 2002 11:18:00 <-- Viewing This Message

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