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[xr2i 1649]

can u help me
i have a Xr2i and am running solid followers
but they keep F***ing up wen i go over 7000rpm
this set F***ed up in 4 week's the set B4 that 5 week's
and b4 that i was running anti-pump and they wod go in 4 week's
and thats just driving hard that the week end's

i have had the head off 4 time 2 clean it
E.G oil port's and stuff but the r clean

i think that solid followers rment 2 b good 4 over 7000rpm.
it's costing me S*** loads as 2 run the solid followers
i hade 2 put lot's of new stuf in the head

so plz can some 1 help me

[Andy'sFRST]

What do you mean F--ked tappet, whats going wrong with them.
If the bottoms are wearing out fast then your cam timing is way out

[xr2i 1649]

yes it's the bottom ,but the cam timing is spot on as
it has Adjustable cam pulley
I hav set it up 2 time
P.T.S has dun i 1 time
think S.C.C has dun it as well
so think that it is ok
so do u think it mite b the the pulley if s then i will
try the old 1 on
(next sat)
but if u can think it mite b some thing DEf the plz tell me
thx 4 the come back

[Andy'sFRST]

What cam have you got and how much has the head been skimmed thats if it has been skimmed

[xr2i 1649]

yes it's all bin dun
the cam is a piper that is ment 2 go with the
soild follower's and Duplex valve springs
and modified valve spring retainer
if that help
it's all dun with the best stuf i can get do not like
doing ting by 1/2's

[Andy'sFRST]

Have look at the cam because when the tappets are like that the cam may be shafted to.
It sound like the pistons are hitting the valves at 10o before/after TDC, that then puts a lot of pressure on the tappets and thay wear out faster also what valve clearance are you runnig with the solid ones because you should have them at 19thou on the inlet and 21 thou at Zorst.
I used to have a very powerfull XR2i ( 150bhp ) before.

[xr2i 1649]

my pistons r mahle forged modified crown
and have had the head of and it duz no look like
the valve have hit the pistons
thats y i do no no wot it can b
it just get 2 6500rpm then the power drop's
and it makes that tik tik and they r f**k

150bhp thats a lot of BHP u must have dun a lot of work
2 that.
as have spent over 3G (and dun a lot of work my self2 keep cost down)
and still get 135bhp but do get good torque

[Andy'sFRST]

Have a closer look at the cam and have the cam timing re set other than that thats all i can do for you.
My XR2i that i had was built by a lad at A.L.D is a new company if you ask, what he did was use the bottom end of the FRST with FRST oversize pistons ( 0.5mm ) use a big valve lead burn head skimmed 160thou with 10.5:1 C/R a kent 27 cam, Up rated injectors and some other mods he was unwilling to say.

[Jur]

I've heard you have to run your engine at at least 2000 rpm when changing the cam.. guess it's the same when changing the tappets.
this because of the oil that is needed to lube the lot when first run ..

greets
Jur

[bcracknell]

according to burton you only need to use the standard (O.E) spring retainer - not sure if thats likely to make much difference though - you could always call and talk to them

[xr2i 1649]

ity was burton that told me 2 run modified v/ spring retiner
as i have duplex v/spring's
but i will give them a cool
as i was runing single spring's and std spring retainers on my
old anti-pump followers

[xr2i 1649]

no have the right bit's
so if u can think of some thing it can b plz help
or i will have 2 get the chip modified so it will not rev that hight
but then i will b down on power
or i mite c if some 1 can get me a job lot of solid followers

[Project]

It sounds to me like the cam and tappets are not getting run-in properly for one reason or another (quite often not user-error).

Are you changing the cam every time it eats a set of followers? If not, the cam lobes are likely to be buggered as the metal overheating which occurs usually tears chunks off the mating surfaces.

I don't know if that is your problem but check this link which is Dave at PumaRacing's guide to running in cams - http://www.pumaracing.co.uk/cam1.htm

[Project]

I've heard you have to run your engine at at least 2000 rpm when changing the cam.. guess it's the same when changing the tappets.
this because of the oil that is needed to lube the lot when first run ..

greets
Jur

Jur, check this link:

http://www.pumaracing.co.uk/cam1.htm

That's why you need to run the cam between 2,000 and 3,000

[Andy'sFRST]

Cover the new cam and liffters with chain wax as that cam lube is crap

[xr2i 1649]

thx project 4 the link
did not c the bit on the bottom of the page b4
so am going 2 try the std v spring's then put the
duplex 1's in later
i have had 3 cam's from std piper 2 a modified piper that can run on the
solid followers but i do have a new cam so i will put that in.and thx 4
the help

andy'sFRST chain wax i will give it a go and thx 4 the help

bcracknell thx 4 the help
jur thx 4 ur help 2

i have all the bit's and am going 2 do it 2 day
so i will no if it work in about 3 weeks
as i have some 1/4 mil 2 do

thx 4 all ur help u r all top men

if it duz not work then i will B back
JOKE
4 some more help