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And where would one purchase a decent roller rocker setup? =20
Thanks,
Lester
On Aug 8, 2016, at 11:08 AM, Mark Hendrix <alabmwstretch@yahoo.com> =
wrote:
> I've run a 1.7:1 billet aluminum roller rocker set up on a stock bore =
and cam 1275 with a cross flow head with 40mm webers on it. It worked =
great. I did manage to break a single rocker by wildly over revving it =
and can say it wont stand 9500 rpm well. This engine is in a Morris Van =
with a Toyota 5speed gearbox and a 3.70:1 rear end.
> I too am building a 0.060 over 1275 with a wild cam. Its a Kent =
cam. I can dig up the specs if you need but I must say I will NOT be =
able to use the 1.7:1 rockers due to spring bind. The valves open too =
wide and compress coils of the valve springs against themselves. I am =
using heavy springs. I am not sure what I will do about this. I hope a =
switch to a 1.5:1 ratio rocker will cure the trouble. I will be putting =
this engine in my sprite with a 4.55:1 differential and a Datsun 5 speed =
gearbox.
> These vagaries aside I am well pleased with the performance of the =
rockers. They are much quieter than stock and allow a lively throttle =
response in the mid range and upward, 2500-6500 with the stock cam in =
the Morris van. I got them through Mini Spares.
>=20
> Good Luck, careful assembly will make it work, if all else fails throw =
money at it=85
This is where I am now! After spending the money for a go-fast setup=85 =
sigh.
>=20
> Happy Trails
>=20
> Stretch Hendrix
>=20
> 80 Mini Countryman Cooper S spec
> 63 Mini 850
> 59 Austin Healey Sprite
> 58 Morris Minor Panel van
>=20
> __
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<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html =
charset=3Dwindows-1252"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: after-white-space;">And =
where would one purchase a decent roller rocker setup? =
<div><br></div><div>Thanks,<br><div><br></div><div>Lester</div><div>=
<br></div><div><br><div><div>On Aug 8, 2016, at 11:08 AM, Mark Hendrix =
<<a =
href=3D"mailto:alabmwstretch@yahoo.com";>alabmwstretch@yahoo.com</a>> =
wrote:</div><br class=3D"Apple-interchange-newline"><blockquote =
type=3D"cite"><div style=3D"font-family: Helvetica; font-size: 14px; =
font-style: normal; font-variant: normal; font-weight: normal; =
letter-spacing: normal; line-height: normal; orphans: auto; text-align: =
start; text-indent: 0px; text-transform: none; white-space: normal; =
widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><div =
style=3D"background-color: rgb(255, 255, 255); font-family: =
HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', =
sans-serif; font-size: 16px; position: static; z-index: =
auto;"><div><span></span></div><div class=3D"qtdSeparateBR" =
id=3D"yui_3_16_0_1_1470670716873_4794" dir=3D"ltr">I've run a 1.7:1 =
billet aluminum roller rocker set up on a stock bore and cam 1275 with a =
cross flow head with 40mm webers on it. It worked great. I did manage to =
break a single rocker by wildly over revving it and can say it wont =
stand 9500 rpm well. This engine is in a Morris Van with a Toyota =
5speed gearbox and a 3.70:1 rear end.</div><div class=3D"qtdSeparateBR" =
id=3D"yui_3_16_0_1_1470670716873_4939" =
dir=3D"ltr"> I too am building a 0.060 over 1275 =
with a wild cam. Its a Kent cam. I can dig up the specs if you need but =
I must say I will NOT be able to use the 1.7:1 rockers due to =
spring bind. The valves open too wide and compress coils of the valve =
springs against themselves. I am using heavy springs. I am not sure what =
I will do about this. I hope a switch to a 1.5:1 ratio =
rocker will cure the trouble. I will be putting this engine in my =
sprite with a 4.55:1 differential and a Datsun 5 speed =
gearbox.</div><div class=3D"qtdSeparateBR" =
id=3D"yui_3_16_0_1_1470670716873_4940" =
dir=3D"ltr"> These vagaries aside I am well =
pleased with the performance of the rockers. They are much quieter than =
stock and allow a lively throttle response in the mid range and upward, =
2500-6500 with the stock cam in the Morris van. I got them through Mini =
Spares.</div><div class=3D"qtdSeparateBR" =
id=3D"yui_3_16_0_1_1470670716873_4941" dir=3D"ltr"><br></div><div =
class=3D"qtdSeparateBR" id=3D"yui_3_16_0_1_1470670716873_4942" =
dir=3D"ltr">Good Luck, careful assembly will make it work, if all else =
fails throw money at =
it=85</div></div></div></blockquote><div><br></div>This is where I am =
now! After spending the money for a go-fast setup=85 =
sigh.</div><div><br><blockquote type=3D"cite"><div =
style=3D"font-family: Helvetica; font-size: 14px; font-style: normal; =
font-variant: normal; font-weight: normal; letter-spacing: normal; =
line-height: normal; orphans: auto; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; widows: auto; word-spacing: =
0px; -webkit-text-stroke-width: 0px;"><div style=3D"background-color: =
rgb(255, 255, 255); font-family: HelveticaNeue, 'Helvetica Neue', =
Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 16px; =
position: static; z-index: auto;"><div class=3D"qtdSeparateBR" =
id=3D"yui_3_16_0_1_1470670716873_4943" dir=3D"ltr"><br></div><div =
class=3D"qtdSeparateBR" id=3D"yui_3_16_0_1_1470670716873_4944" =
dir=3D"ltr">Happy Trails</div><div class=3D"qtdSeparateBR" =
id=3D"yui_3_16_0_1_1470670716873_4945" dir=3D"ltr"><br></div><div =
class=3D"qtdSeparateBR" id=3D"yui_3_16_0_1_1470670716873_4946" =
dir=3D"ltr">Stretch Hendrix</div><div class=3D"qtdSeparateBR" =
id=3D"yui_3_16_0_1_1470670716873_4947" dir=3D"ltr"><br></div><div =
class=3D"qtdSeparateBR" id=3D"yui_3_16_0_1_1470670716873_4948" =
dir=3D"ltr">80 Mini Countryman Cooper S spec</div><div =
class=3D"qtdSeparateBR" id=3D"yui_3_16_0_1_1470670716873_4949" =
dir=3D"ltr">63 Mini 850</div><div class=3D"qtdSeparateBR" =
id=3D"yui_3_16_0_1_1470670716873_4950" dir=3D"ltr">59 Austin Healey =
Sprite</div><div class=3D"qtdSeparateBR" =
id=3D"yui_3_16_0_1_1470670716873_4962" dir=3D"ltr">58 Morris Minor Panel =
van</div><div class=3D"qtdSeparateBR" =
id=3D"yui_3_16_0_1_1470670716873_4961" dir=3D"ltr"><br></div><div =
class=3D"yahoo_quoted" id=3D"yui_3_16_0_1_1470670716873_4958" =
style=3D"display: block;"><div id=3D"yui_3_16_0_1_1470670716873_4957" =
style=3D"font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, =
'Lucida Grande', sans-serif; font-size: 16px;"><div =
id=3D"yui_3_16_0_1_1470670716873_4956" style=3D"font-family: =
HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', =
sans-serif; font-size: 16px;"><div class=3D"y_msg_container" =
id=3D"yui_3_16_0_1_1470670716873_4965"><div id=3D"yiv1384878337"><div =
id=3D"yui_3_16_0_1_1470670716873_4964"><div id=3D"yiv1384878337ygrp-mlmsg"=
style=3D"font-size: 13px; font-family: Arial, helvetica, clean, =
sans-serif; position: relative;"><div id=3D"yiv1384878337ygrp-msg" =
style=3D"line-height: 1.22em; z-index: 1;"><div style=3D"line-height: =
1.22em; color: rgb(255, 255, 255); min-height: =
0px;">__</div></div></div></div></div></div></div></div></div></div></div>=
</blockquote></div></div></div></body></html>=
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