RHF4 .. on to an L5

skattrd

Junior Member
Senior Member
Feb 2, 2010
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1,501
Lincoln/UK
Hi all, in the UK rhf4's are cheaper and easier to find than the td04 etc alot of you prefer, so I was looking for info on fitting an rhf4 to an L5 ... With that in mind I've a couple of questions for you:

1.Can an RHF4 (VF13) be fitted direct to an EF-RL or JB-JL?
If so what needs doing? new manifold? extra fuelling?

2. RHF3/4 Hybrid can someone tell me the best way to do this.
I would be looking at doing this myself and have a mate who can do a bit of machining.

Why do I ask ... I have an EF-RL with a dying turbo and replacements are not available here ... so I have got 2x RHF4 VF13's that I got very cheap ... upgrade time.
 

karl_razlie

500 RPM
Senior Member
Apr 25, 2005
514
56
5,028
Puchong
RHF3+4 aka RHF34 can doint at TONG TURBO, if wanna plug n play and good in low/mid/top better try TD025 blue tag...
 

skattrd

Junior Member
Senior Member
Thread starter
Feb 2, 2010
7
0
1,501
Lincoln/UK
I'm looking at getting a new manifold made for an RHF4 VF13 for my Cuore L512S (JB-JL).

Can anyone tell me if it will be ok on standard injectors and ecu or will I need bigger injectors, fuel pump and/or management?

Thx
 

davidyang85

Known Member
Senior Member
May 2, 2006
68
1
1,508
it is better for you to upgrade to a bigger 240c injector n fuel pump. install fuel regulator n tune with a management system.

im currently using rhf4 on my jbdet. turbo kicks in at 4k rpm. but is kinda lag compare to rhf 3. however from 5k-7k rpm u can feel the power when its above 0.5 bar
 

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