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www.aptfast.com
Mike MacLean
=20
On Monday, August 8, 2016 10:28 AM, Lester Ewing via Spridgets <spridge=
ts@autox.team.net> wrote:
=20
=20
And where would one purchase a decent roller rocker setup? =C2=A0
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 c=
am 1275 with a cross flow head with 40mm webers on it. It worked great. I d=
id 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=C2=A0 Toyo=
ta 5speed gearbox and a 3.70:1 rear end.=C2=A0=C2=A0=C2=A0=C2=A0I too am bu=
ilding 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=C2=A0say I will NOT be able to use the 1.7:1 r=
ockers due to spring bind. The valves open too wide and compress coils of t=
he valve springs against themselves. I am using heavy springs. I am not sur=
e what I will do about this. I hope=C2=A0a switch to a 1.5:1 ratio rocker=
=C2=A0will cure the trouble. I will be putting this engine in my sprite wit=
h a 4.55:1 differential and a Datsun 5 speed gearbox.=C2=A0=C2=A0=C2=A0=C2=
=A0These vagaries aside I am well pleased with the performance of the rocke=
rs. They are much quieter than stock and allow a lively throttle response i=
n the mid range and upward, 2500-6500 with the stock cam in the Morris van.=
I got them through Mini Spares.
Good Luck, careful assembly will make it work, if all else fails throw mone=
y at it=E2=80=A6
This is where I am now! =C2=A0After spending the money for a go-fast setup=
=E2=80=A6 =C2=A0sigh.
Happy Trails
Stretch Hendrix
80 Mini Countryman Cooper S spec63 Mini 85059 Austin Healey Sprite58 Morris=
Minor Panel van
__
------------------------
spridgets@autox.team.net
Archive: http://www.team.net/archive
eer.mike@att.net
=20
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<html><head></head><body><div style=3D"color:#000; background-color:#fff; f=
ont-family:times new roman, new york, times, serif;font-size:16px"><div id=
=3D"yui_3_16_0_1_1470679523340_97923"><a id=3D"yui_3_16_0_1_1470679523340_9=
7921" href=3D"http://www.aptfast.com/";>www.aptfast.com</a></div><div id=3D"=
yui_3_16_0_1_1470679523340_97925"><br></div><div dir=3D"ltr" id=3D"yui_3_16=
_0_1_1470679523340_97926">Mike MacLean<br></div><div id=3D"yui_3_16_0_1_147=
0679523340_97920"><span></span></div> <div class=3D"qtdSeparateBR"><br><br>=
</div><div style=3D"display: block;" class=3D"yahoo_quoted"> <div style=3D"=
font-family: times new roman, new york, times, serif; font-size: 16px;"> <d=
iv style=3D"font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, L=
ucida Grande, sans-serif; font-size: 16px;"> <div dir=3D"ltr"><font size=3D=
"2" face=3D"Arial"> On Monday, August 8, 2016 10:28 AM, Lester Ewing via Sp=
ridgets <spridgets@autox.team.net> wrote:<br></font></div> <blockquot=
e style=3D"border-left: 2px solid rgb(16, 16, 255); margin-left: 5px; margi=
n-top: 5px; padding-left: 5px;"> <br><br> <div class=3D"y_msg_container"><d=
iv id=3D"yiv2877519445"><div>And where would one purchase a decent roller r=
ocker setup? <div><br></div><div>Thanks,<br><div><br></div><div>Leste=
r</div><div><br></div><div><br><div><div>On Aug 8, 2016, at 11:08 AM, Mark =
Hendrix <<a rel=3D"nofollow" ymailto=3D"mailto:alabmwstretch@yahoo.com"; =
target=3D"_blank" href=3D"mailto:alabmwstretch@yahoo.com";>alabmwstretch@yah=
oo.com</a>> wrote:</div><br class=3D"yiv2877519445Apple-interchange-newl=
ine"><blockquote type=3D"cite"><div style=3D"font-family:Helvetica;font-siz=
e:14px;font-style:normal;font-variant:normal;font-weight:normal;letter-spac=
ing:normal;line-height:normal;text-indent:0px;text-transform:none;white-spa=
ce:normal;word-spacing:0px;"><div style=3D"background-color:rgb(255, 255, 2=
55);font-family:HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida =
Grande', sans-serif;font-size:16px;"><div><span></span></div><div class=3D"=
yiv2877519445qtdSeparateBR" id=3D"yiv2877519445yui_3_16_0_1_1470670716873_4=
794" 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"yiv2877519445qtdSeparateBR" id=3D"yiv2877519445yui_3_16_0_1_14706707168=
73_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 b=
ut I must say I will NOT be able to use the 1.7:1 rockers due to sprin=
g bind. The valves open too wide and compress coils of the valve springs ag=
ainst themselves. I am using heavy springs. I am not sure what I will do ab=
out this. I hope a switch to a 1.5:1 ratio rocker will cure the t=
rouble. I will be putting this engine in my sprite with a 4.55:1 differenti=
al and a Datsun 5 speed gearbox.</div><div class=3D"yiv2877519445qtdSeparat=
eBR" id=3D"yiv2877519445yui_3_16_0_1_1470670716873_4940" dir=3D"ltr"> =
These vagaries aside I am well pleased with the performan=
ce of the rockers. They are much quieter than stock and allow a lively thro=
ttle 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"yiv28775=
19445qtdSeparateBR" id=3D"yiv2877519445yui_3_16_0_1_1470670716873_4941" dir=
=3D"ltr"><br></div><div class=3D"yiv2877519445qtdSeparateBR" id=3D"yiv28775=
19445yui_3_16_0_1_1470670716873_4942" dir=3D"ltr">Good Luck, careful assemb=
ly will make it work, if all else fails throw money at it=E2=80=A6</div></d=
iv></div></blockquote><div><br></div>This is where I am now! After sp=
ending the money for a go-fast setup=E2=80=A6 sigh.</div><div><br><bl=
ockquote type=3D"cite"><div style=3D"font-family:Helvetica;font-size:14px;f=
ont-style:normal;font-variant:normal;font-weight:normal;letter-spacing:norm=
al;line-height:normal;text-indent:0px;text-transform:none;white-space:norma=
l;word-spacing:0px;"><div style=3D"background-color:rgb(255, 255, 255);font=
-family:HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande',=
sans-serif;font-size:16px;"><div class=3D"yiv2877519445qtdSeparateBR" id=
=3D"yiv2877519445yui_3_16_0_1_1470670716873_4943" dir=3D"ltr"><br></div><di=
v class=3D"yiv2877519445qtdSeparateBR" id=3D"yiv2877519445yui_3_16_0_1_1470=
670716873_4944" dir=3D"ltr">Happy Trails</div><div class=3D"yiv2877519445qt=
dSeparateBR" id=3D"yiv2877519445yui_3_16_0_1_1470670716873_4945" dir=3D"ltr=
"><br></div><div class=3D"yiv2877519445qtdSeparateBR" id=3D"yiv2877519445yu=
i_3_16_0_1_1470670716873_4946" dir=3D"ltr">Stretch Hendrix</div><div class=
=3D"yiv2877519445qtdSeparateBR" id=3D"yiv2877519445yui_3_16_0_1_14706707168=
73_4947" dir=3D"ltr"><br></div><div class=3D"yiv2877519445qtdSeparateBR" id=
=3D"yiv2877519445yui_3_16_0_1_1470670716873_4948" dir=3D"ltr">80 Mini Count=
ryman Cooper S spec</div><div class=3D"yiv2877519445qtdSeparateBR" id=3D"yi=
v2877519445yui_3_16_0_1_1470670716873_4949" dir=3D"ltr">63 Mini 850</div><d=
iv class=3D"yiv2877519445qtdSeparateBR" id=3D"yiv2877519445yui_3_16_0_1_147=
0670716873_4950" dir=3D"ltr">59 Austin Healey Sprite</div><div class=3D"yiv=
2877519445qtdSeparateBR" id=3D"yiv2877519445yui_3_16_0_1_1470670716873_4962=
" dir=3D"ltr">58 Morris Minor Panel van</div><div class=3D"yiv2877519445qtd=
SeparateBR" id=3D"yiv2877519445yui_3_16_0_1_1470670716873_4961" dir=3D"ltr"=
><br></div><div class=3D"yiv2877519445yahoo_quoted" id=3D"yiv2877519445yui_=
3_16_0_1_1470670716873_4958" style=3D"display:block;"><div id=3D"yiv2877519=
445yui_3_16_0_1_1470670716873_4957" style=3D"font-family:HelveticaNeue, 'He=
lvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif;font-size:16px=
;"><div id=3D"yiv2877519445yui_3_16_0_1_1470670716873_4956" style=3D"font-f=
amily:HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', s=
ans-serif;font-size:16px;"><div class=3D"yiv2877519445y_msg_container" id=
=3D"yiv2877519445yui_3_16_0_1_1470670716873_4965"><div id=3D"yiv2877519445"=
><div id=3D"yiv2877519445yui_3_16_0_1_1470670716873_4964"><div id=3D"yiv287=
7519445ygrp-mlmsg" style=3D"font-size:13px;font-family:Arial, helvetica, cl=
ean, sans-serif;position:relative;"><div id=3D"yiv2877519445ygrp-msg" style=
=3D"line-height:1.22em;z-index:1;"><div style=3D"line-height:1.22em;color:r=
gb(255, 255, 255);min-height:0px;">__</div></div></div></div></div></div></=
div></div></div></div></div></blockquote></div></div></div></div></div><br>=
------------------------<br><br><a ymailto=3D"mailto:spridgets@autox.team.n=
et" href=3D"mailto:spridgets@autox.team.net";>spridgets@autox.team.net</a><b=
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s/rrengineer.mike@att.net</a><br><br><br></div> </blockquote> </div> </div>=
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