TVR AJP8 Assembly

Main

Engine

Assembly

~.Jpa

Modification

Block

Modifications

- Early

Engines

Only

Firstly the lower bellhousing

mounting

t

addh]

,

on

ach

sideofthe blo

need modifiying.

(LeftPosition

shown)

(Right Position

shown)

Modification 1 is to drill through the

tapped

hole at the front

of

the casting to

diameter

S.5mm ...

...

and

then

tap

through, MJ 0 x

1.5x2.5

mm

deep.

Modification

Modification

ModifiCJltion

~

....

pa

t i to drill

out

the

pump

mounting

hol to 8.5mm ...

...

and

th s

then

need

th

edges

deburringonboth

the

front sid

...

and

thenonthe

rear

side.

Main

Assembly

Engine -

Main

Assembly

Number

the main bearing

cup

with

an

engraver at the edges.

Mnin

Assembly

Main

Assf'lnbly

Main

Assembly

Ml1iIJ

Assembly

Start with the one neare t the timing

end

as shown.

Once this

has

b n done the caps

need

to
be removed, starting from the front of the
block...

..

and

work

ba wards.

To

remove the final cap, gently tap

it

with

a oft faced hammer on the ideo

~...JP

El

MJIin

Assembly

Main

Assembly

Mod~ficali(ln

xt

the oil feed holes for th main

b arings

ne

d to be deburred

...

...

and

any

sharp

edgesonthe

baring

bOT

s need toberemoved.

Modification

The edgesonthe thrustbearingbore
needtobe chamfered

l.5mm

x

45

u

In

order for the

fly

wheel timing disc to

miss the oil gallery, the casting

needs

relieving a hown.

Modification

In

order

for the fly

wh

el timing disc 0

turn,

the

oil gallery f

edneds

relieving.

Modification

Maill

Assc1IIblt,

R lieve th

sump

mounting

flange 0

that

th w te transf r

pipe

clears the flang

...

...

as hown.

Main Assembly

Nxtremove

th

main

oil gallery

plug

and

...