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tecspeed
07-28-2004, 11:33 AM
what's a good drop in for the original 4tec , don't want a 2.5 but .15 or .18 will do under 160.00
GraTou
07-28-2004, 12:22 PM
O.S. engines work good.
nrustlerman231
07-28-2004, 01:34 PM
Ya OS engines are really good, nice and reliable.
tecspeed
08-05-2004, 08:53 AM
yea i like os, what type of shaft do i need
TT120
08-05-2004, 09:09 AM
My Tec is already way too fast with just the 2.5 in it. I can't imagine what it would be like with an 18 in it.
tecspeed
08-05-2004, 04:38 PM
alas the need for speed and new parts as a result of speed lol
NitroRCracer
08-05-2004, 08:41 PM
You need any SG style crankshaft i beleive.
OS 15 CVRX is a pretty good engine, but it doesnt have the top end power like the trx2.5, but is close enough for most.

They do run extremely well though, and hold a tune real good.
carguy70001
08-05-2004, 11:35 PM
I've had great luck with the Fantom .18 w/ 42k rpm redline it really winds out..
tecspeed
08-06-2004, 10:25 AM
i've narrowed it down to the .18 fantom or epic .........can't decide which one yet .......did you have to make a lot of mods for the fantom to fit
carguy70001
08-06-2004, 12:05 PM
All I had to do is to grind on the Motor Mount alittle to remove 2 tabs and use a new exhaust header. When you are ready let me know and I'll look up the part # that I used. The new header will be held on with a singlw wraparound spring.
carguy70001
08-09-2004, 01:42 PM
Header to use with Fantom FR18 is here. (https://www.ssl-stormerhobbies.com/cgi-bin/seekpart.pl?pn=DYN6599) Its a Dynamite 6599.
carguy70001
08-31-2004, 05:10 PM
Well, the need for more speed continues - I'm taking the Fantom FR18 out and I want to install a big block .21 Hyper 8-port.

Does anyone have any pointers?
TheFastest1inMI
08-31-2004, 10:12 PM
Don't use the stock belts. Try to find better diffs.
carguy70001
09-05-2004, 08:06 AM
New Era Models makes 6mm belts and I'm using Ball Bearing Diffs.