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Jim,
Yep, that would be correct. I check the points first because it's easier
to check for spark at the distributor cap than it is to pull a plug (no
tools required). Although, it is best to check spark at the plugs first
if you have electronic ignition ;)
Kevin V.
Tuscarora, Pa
On Mon, Jul 22, 2024 at 9:57=E2=80=AFAM Jim Ryan <ryan@jimryan.com> wrote:
> Great write up Kevin. I'm not clear why you would go with the
> distributor first and not plugs first. If the plugs are sparking would
> that not mean the distributor is working?
>
> On Sun, Jul 21, 2024 at 8:31=E2=80=AFPM Kevin Valentine via Spridgets <
> spridgets@autox.team.net> wrote:
>
>> Mark,
>>
>> Here's something I wrote a few years ago, maybe it can help;
>>
>> I always do checks for spark BEFORE I do the checks for Fuel delivery.
>> You don't want any stray fuel vapors anywhere near an area where you wil=
l
>> be creating a spark.
>>
>> Note; More than once, I have witnessed an A-series distributor that has
>> dislodged itself from the hole in the engine block due to a distributor
>> clamp that was not tightened properly. Checking to make sure the
>> distributor is held securely in the clamp would be well advised before y=
ou
>> check for other electrical problems.
>>
>> Another important note; Before you check electrical connections under
>> the bonnet of your car, MAKE CERTAIN YOU HAVE NO FUEL LEAKS.
>>
>> To check for spark. First check for spark at the points. Remove the
>> distributor cap and watch the points while you turn the engine over with
>> the starter. Make certain the ignition is switched on if you have a
>> separate switch for the ignition on your car. If you can not see the
>> points while you are turning the engine over with the starter (you are b=
y
>> yourself and have no one to help you), switch on the ignition and flick
>> the points with a small screwdriver (or your finger) to see if you get a
>> spark when the points are separated. If you have no spark at the point=
s,
>> check for loose wires to the coil and/or distributor. The problem may =
be
>> in the electrical wiring at your ignition switch. You can hot-wire the
>> coil with a short piece of wire. (I carry a jump wire with alligator cl=
ips
>> on each end). On a negative ground car, connect the jump wire to the
>> positive side of the coil and to the positive post on the battery and ch=
eck
>> for spark at the points again. If you still have no spark at the points=
,
>> the problem may either be the condenser or the coil.
>>
>> If you have spark at the points, - next check for spark at one of the
>> spark plugs. The easiest way to do this is to remove one of the spark
>> plugs and with the ignition wire for that spark plug wire attached to th=
e
>> plug, hold the spark plug in contact with the engine and turn the engine
>> with the starter. You should see a spark at the gap in the spark plug. =
If
>> you have spark at the points but no spark at the plug you may have a fau=
lty
>> distributor cap or rotor. If you have a spark at the spark plug, it's t=
ime
>> to check for fuel supply. Put the distributor cap back on and re-instal=
l
>> the spark plug. You don't want any stray sparks while you are checking =
for
>> fuel supply.
>>
>> To check for fuel delivery. Disconnect the fuel line at the carburetor
>> and activate the fuel pump. (On cars with electric pumps, turning on th=
e
>> ignition will accomplish this. On cars with mechanical fuel pumps you w=
ill
>> need to turn the engine with the starter). If you have no fuel being
>> delivered at the fuel line you disconnected from the carb, you may eithe=
r
>> be; out of fuel, your fuel pump stopped working, or you have a blockage=
in
>> the tank or at the fuel filter. Another possibility is a broken fuel li=
ne
>> between the tank and the engine.
>>
>>
>> Kevin V.
>> Tuscarora, Pa
>> ReplyForward
>> Add reaction
>>
>>
>>
>>
>>
>> On Sun, Jul 21, 2024 at 8:18=E2=80=AFPM Mark Haynes via Spridgets <
>> spridgets@autox.team.net> wrote:
>>
>>> Hey folks,
>>> I've gotten to the point of asking for thoughts on my new 948 engine.
>>> The specifics of the new engine are as follows:
>>> 948 .020, crowned pistons, 12G202 head milled 0.185" (touted to be a
>>> Dave Tabor head) Rimflow valves (1.25 I, 1.06 E), Vernier timing gear,
>>> SPVP3 cam timed to 102.5 degrees ATDC, Jeff Schlemmer 25D distributor, =
APT
>>> lifters, 1.3:1 rockers ,ceramic coated piston crowns and combustion
>>> chambers.
>>> I finally got it installed with the new Gerard Garage 5 Speed, and I
>>> have spark, Ignition timing is set per Jeff Schlemmer, compression (whe=
n
>>> cranking only) 125 psi in all cylinders, carbs are getting fuel.
>>> I get no Bang, Pop, Fart,nothing from the engine when trying to start,
>>> even with starting fluid (checking that it wasn't fuel delivery) or
>>> rotating the dizzy, I tried swapping plug wires to prove it wasn't igni=
tion
>>> 180 out or 1 & 4 wrong or 2 & 3 wrong.
>>> I brought in a friend who's a pro mechanic and he's as stumped as I am.
>>> I'm looking for any possibilities,
>>> Just to be sure, this is not even close to my first engine build nor my
>>> first 948 build. I know how to time cams and build engines, but this ha=
s me
>>> stumped and I feel really dumb, so I'm leaning on you all for some thou=
ghts
>>> and support.
>>> God, I wish Frank were still here, he'd have the answer in a flash.=F0=
=9F=A5=BA
>>> TIA,
>>> Mark Haynes
>>> It only goes one way- Pay It Forward
>>> ------------------------
>>>
>>> spridgets@autox.team.net
>>>
>>> Donate: http://www.team.net/donate.html
>>> Suggested annual donation: $12.75
>>>
>>> Archive: http://www.team.net/pipermail/spridgets
>>> http://autox.team.net/archive
>>>
>>> Unsubscribe/Manage:
>>> http://autox.team.net/mailman/options/spridgets/kevinv1275@gmail.com
>>>
>> ------------------------
>>
>> spridgets@autox.team.net
>>
>> Donate: http://www.team.net/donate.html
>> Suggested annual donation: $12.75
>>
>> Archive: http://www.team.net/pipermail/spridgets
>> http://autox.team.net/archive
>>
>> Unsubscribe/Manage:
>> http://autox.team.net/mailman/options/spridgets/ryan@jimryan.com
>>
>
>
> --
>
> Jim Ryan
>
> =C2=A9=C2=BF=C2=A9=C2=AC
>
--00000000000046d0c3061dd6b59f
Content-Transfer-Encoding: quoted-printable
<div dir=3D"ltr">Jim,<div><br></div><div>Yep, that would be correct.=C2=A0 =
I check the points first because it's easier to check for spark at the =
distributor cap than it is to pull a plug (no tools required).=C2=A0 =C2=A0=
Although, it is best to check spark at the plugs first if you have electro=
nic ignition ;)</div><div><br></div><div>Kevin V.</div><div>Tuscarora, Pa</=
div></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_at=
tr">On Mon, Jul 22, 2024 at 9:57=E2=80=AFAM Jim Ryan <<a href=3D"mailto:=
ryan@jimryan.com">ryan@jimryan.com</a>> wrote:<br></div><blockquote clas=
s=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid r=
gb(204,204,204);padding-left:1ex"><div dir=3D"ltr">Great write up Kevin.=C2=
=A0 I'm not clear why=C2=A0 you would go with the distributor first and=
not plugs first.=C2=A0 If the plugs are sparking would that not mean the d=
istributor is working?</div><br><div class=3D"gmail_quote"><div dir=3D"ltr"=
class=3D"gmail_attr">On Sun, Jul 21, 2024 at 8:31=E2=80=AFPM Kevin Valenti=
ne via Spridgets <<a href=3D"mailto:spridgets@autox.team.net"; target=3D"=
_blank">spridgets@autox.team.net</a>> wrote:<br></div><blockquote class=
=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rg=
b(204,204,204);padding-left:1ex"><div dir=3D"ltr">Mark,<div><br></div><div>=
<div style=3D"border-left:none;padding:0px;display:flex;font-family:"G=
oogle Sans",Roboto,RobotoDraft,Helvetica,Arial,sans-serif;font-size:me=
dium"><div style=3D"margin:0px;min-width:0px;padding:0px 0px 20px;width:ini=
tial"><div><div id=3D"m_5326499691670586060m_1051117010416833774gmail-:2tc"=
style=3D"direction:ltr;margin:8px 0px 0px;padding:0px;font-size:0.875rem;o=
verflow-x:hidden"><div id=3D"m_5326499691670586060m_1051117010416833774gmai=
l-:2si" style=3D"direction:initial;font-variant-numeric:normal;font-variant=
-east-asian:normal;font-variant-alternates:normal;font-kerning:auto;font-fe=
ature-settings:normal;font-stretch:normal;font-size:small;line-height:1.5;f=
ont-family:Arial,Helvetica,sans-serif;overflow:auto hidden"><div dir=3D"ltr=
"><div>Here's something=C2=A0I wrote=C2=A0a few years ago, maybe it can=
help;</div><div><br></div><div><div>I always do checks for spark BEFORE I =
do the checks for Fuel delivery.=C2=A0 You don't want any stray fuel va=
pors anywhere near an area where you will be creating a spark.</div><div><b=
r></div><div>Note; =C2=A0More than once, I have witnessed an A-series distr=
ibutor that has dislodged itself from the hole in the engine block due to a=
distributor clamp that was not tightened properly.=C2=A0 Checking to make =
sure the distributor is held securely in the clamp would be well advised be=
fore you check for other electrical problems.</div><div><br></div><div>Anot=
her important note; =C2=A0Before you check electrical connections under the=
bonnet of your car,=C2=A0<font color=3D"#FF0000">MAKE CERTAIN YOU HAVE NO =
FUEL LEAKS</font>.</div><div><br></div><div>To check for spark.=C2=A0 First=
check for spark at the points.=C2=A0 Remove the distributor cap and watch =
the points while you turn the engine over with the starter.=C2=A0 Make cert=
ain the ignition is switched on if you have a separate switch for the ignit=
ion on your car.=C2=A0 If you can not see the points while you are turning =
the engine over with the starter (you are by yourself and have no one to he=
lp you), =C2=A0switch on the ignition and flick the points with a small scr=
ewdriver (or your finger) to see if you get a spark when the points are sep=
arated. =C2=A0 If you have no spark at the points, check for loose wires to=
the coil and/or distributor. =C2=A0 The problem may be in the electrical w=
iring at your ignition switch.=C2=A0 You can hot-wire the coil with a short=
piece of wire. =C2=A0(I carry a jump wire with alligator clips on each end=
).=C2=A0 On a negative ground car, connect the =C2=A0jump wire to the posit=
ive side of the coil and to the positive post on the battery and check for =
spark at the points again.=C2=A0 If you still have no spark at the points, =
the problem may either be the condenser or=C2=A0the coil.</div><div><br></d=
iv><div>If you have spark at the points, - next check for spark at one of t=
he spark plugs.=C2=A0 The easiest way to do this is to remove one of the sp=
ark plugs and with the ignition wire for that spark plug wire attached to t=
he plug, hold the spark plug in contact with the engine and turn the engine=
with the starter.=C2=A0 You should see a spark at the gap in the spark plu=
g.=C2=A0 If you have spark at the points but no spark at the plug you may h=
ave a faulty distributor cap or rotor.=C2=A0 If you have a spark at the spa=
rk plug, it's time to check for fuel supply.=C2=A0 Put the distributor =
cap back on and re-install the spark plug.=C2=A0 You don't want any str=
ay sparks while you are checking for fuel supply.</div><div><br></div><div>=
To check for fuel delivery.=C2=A0 Disconnect the fuel line at the carbureto=
r and activate the fuel pump. =C2=A0(On cars with electric pumps, turning o=
n the ignition will accomplish this.=C2=A0 On cars with mechanical fuel pum=
ps you will need to turn the engine with the starter). =C2=A0 If you have n=
o fuel being delivered at the fuel line you disconnected from the carb, you=
may either be; out of fuel, =C2=A0your fuel pump stopped working, or you h=
ave a blockage in the tank or at the fuel filter.=C2=A0 Another possibility=
is a broken fuel line between the tank and the engine.</div><div></div><di=
v><br></div></div><div><br></div><div>Kevin V.</div><div>Tuscarora, Pa</div=
></div><div></div></div></div><div style=3D"clear:both"></div></div></div><=
div style=3D"clear:both"></div></div><div style=3D"font-size:0.875rem;paddi=
ng:0px;width:auto;border-bottom-left-radius:0px;border-bottom-right-radius:=
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748" role=3D"tooltip" aria-hidden=3D"true" style=3D"height:1px;overflow:hid=
den"><br></div><div id=3D"m_5326499691670586060m_1051117010416833774gmail-t=
t-c748" role=3D"tooltip" aria-hidden=3D"true" style=3D"height:1px;overflow:=
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l-tt-c748" role=3D"tooltip" aria-hidden=3D"true" style=3D"height:1px;overfl=
ow:hidden"><br></div></div></div></div></td></tr></tbody></table></div></di=
v></div></div></div></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" c=
lass=3D"gmail_attr">On Sun, Jul 21, 2024 at 8:18=E2=80=AFPM Mark Haynes via=
Spridgets <<a href=3D"mailto:spridgets@autox.team.net"; target=3D"_blank=
">spridgets@autox.team.net</a>> wrote:<br></div><blockquote class=3D"gma=
il_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,2=
04,204);padding-left:1ex"><div dir=3D"ltr"><div>Hey folks,</div><div>I'=
ve gotten to the point of asking for thoughts on my new 948 engine.</div><d=
iv>The specifics of the new engine are as follows:</div><div>948 .020, crow=
ned pistons, 12G202 head milled 0.185" (touted to be a Dave Tabor head=
) Rimflow valves (1.25 I, 1.06 E), Vernier timing gear, SPVP3 cam timed to =
102.5 degrees ATDC, Jeff Schlemmer 25D distributor, APT lifters, 1.3:1 rock=
ers ,ceramic coated
piston crowns and combustion chambers.</div><div>I finally got it installe=
d with the new Gerard Garage 5 Speed, and I have spark, Ignition timing is =
set per Jeff Schlemmer, compression (when cranking only) 125 psi in all cyl=
inders, carbs are getting fuel.</div><div>I get no Bang, Pop, Fart,nothing =
from the engine when trying to start, even with starting fluid (checking th=
at it wasn't fuel delivery) or rotating the dizzy, I tried swapping plu=
g wires to prove it wasn't ignition 180 out or 1 & 4 wrong or 2 &am=
p; 3 wrong. <br></div><div>I brought in a friend who's a pro mechanic a=
nd he's as stumped as I am. I'm looking for any possibilities, <br>=
</div><div>Just to be sure, this is not even close to my first engine build=
nor my first 948 build. I know how to time cams and build engines, but thi=
s has me stumped and I feel really dumb, so I'm leaning on you all for =
some thoughts and support.</div><div>God, I wish Frank were still here, he&=
#39;d have the answer in a flash.=F0=9F=A5=BA<br></div><div>TIA,<br></div><=
div><div><div dir=3D"ltr" class=3D"gmail_signature"><div dir=3D"ltr"><div>M=
ark Haynes<br></div>It only goes one way- Pay It Forward<br></div></div></d=
iv></div></div>
------------------------<br>
<br>
<a href=3D"mailto:spridgets@autox.team.net"; target=3D"_blank">spridgets@aut=
ox.team.net</a><br>
<br>
et=3D"_blank">http://www.team.net/donate.html</a><br>
<br>
Archive: <a href=3D"http://www.team.net/pipermail/spridgets"; rel=3D"norefer=
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href=3D"http://autox.team.net/archive"; rel=3D"noreferrer" target=3D"_blank=
">http://autox.team.net/archive</a><br>
<br>
ets/kevinv1275@gmail.com" rel=3D"noreferrer" target=3D"_blank">http://autox=
.team.net/mailman/options/spridgets/kevinv1275@gmail.com</a><br>
</blockquote></div>
------------------------<br>
<br>
<a href=3D"mailto:spridgets@autox.team.net"; target=3D"_blank">spridgets@aut=
ox.team.net</a><br>
<br>
et=3D"_blank">http://www.team.net/donate.html</a><br>
<br>
Archive: <a href=3D"http://www.team.net/pipermail/spridgets"; rel=3D"norefer=
rer" target=3D"_blank">http://www.team.net/pipermail/spridgets</a>=C2=A0 <a=
href=3D"http://autox.team.net/archive"; rel=3D"noreferrer" target=3D"_blank=
">http://autox.team.net/archive</a><br>
<br>
ets/ryan@jimryan.com" rel=3D"noreferrer" target=3D"_blank">http://autox.tea=
m.net/mailman/options/spridgets/ryan@jimryan.com</a><br>
</blockquote></div><br clear=3D"all"><div><br></div><span class=3D"gmail_si=
gnature_prefix">-- </span><br><div dir=3D"ltr" class=3D"gmail_signature"><d=
iv dir=3D"ltr"><p style=3D"font-size:12.8px"><span style=3D"font-size:10pt;=
color:navy">Jim Ryan<u></u><u></u></span></p><p style=3D"font-size:12.8px">=
=C2=A9=C2=BF=C2=A9=C2=AC</p></div></div>
</blockquote></div>
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