Home -> RV-10 topic: Lycoming Engine Compatibility:

Author: "gillbw" <gillbw@...> Time: Mon Dec 27, 2004 10:26 pm PST Link



Has anyone checked into the IO-540-T4B5 as far as compatibility for
the RV-10? I have looked on the Lycoming site and tracked the
progression from the D4A5 but don't really know how the changes
effect the use for the RV-10.

•D4B5 same as D4A5 but has -1200 series impulse coupling magnetos
•T4A5D similar to D4B5 but has D6LN-3000 impulse coupling dual
magneto and horizontal rear inlet fuel injector
•T4B5D Identical to T4A5D except for fuel drain boss location
•T4B5 same as T4B5D except has 2 Slick Magnetos

Thanks for any assistance.
Byron

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Author: "vanlle2000" <vanlle2000@...> Time: Tue Dec 28, 2004 10:48 am PST Link



Can't prove it, but would be very cautious about committing to an
engine with a rear mount injector...it will probably NOT work iwth RV-
10 nose gear. Also, dual mags can cause problems with upper engine
mount bow in two-seat RVs -- don't know about RV-10.

--- In RV10@yahoogroups.com, "gillbw" <gillbw@y...> wrote:

> Has anyone checked into the IO-540-T4B5 as far as compatibility for
> the RV-10? I have looked on the Lycoming site and tracked the
> progression from the D4A5 but don't really know how the changes
> effect the use for the RV-10.
>
> •D4B5 same as D4A5 but has -1200 series impulse coupling magnetos
> •T4A5D similar to D4B5 but has D6LN-3000 impulse coupling dual
> magneto and horizontal rear inlet fuel injector
> •T4B5D Identical to T4A5D except for fuel drain boss location
> •T4B5 same as T4B5D except has 2 Slick Magnetos
>
> Thanks for any assistance.
> Byron

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Author: "rvbuilder2002" <smcdaniels@...> Time: Tue Dec 28, 2004 7:23 pm PST Link



--- In RV10@yahoogroups.com, "gillbw" <gillbw@y...> wrote:

> Has anyone checked into the IO-540-T4B5 as far as compatibility for
> the RV-10? I have looked on the Lycoming site and tracked the
> progression from the D4A5 but don't really know how the changes
> effect the use for the RV-10.
>
> •D4B5 same as D4A5 but has -1200 series impulse coupling magnetos
> •T4A5D similar to D4B5 but has D6LN-3000 impulse coupling dual
> magneto and horizontal rear inlet fuel injector
> •T4B5D Identical to T4A5D except for fuel drain boss location
> •T4B5 same as T4B5D except has 2 Slick Magnetos
>
> Thanks for any assistance.
> Byron

Using the listings you posted it looks like it would have a rear
induction sump which would probably make it unusable on an RV-10
because of interf. with the nose gear assembly. Even if it would
clear, you would have to design and build an entirely new air
induction system.

Scott Mc

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