[Spridgets] Bugeye/Frogeye Club..... Racer guys Engine help

[corvallis at peoplepc.com]

Here is a google search for carb spitting back:

https://www.google.com/#q=1275+spridget+spitting+back+through+carburettor

(make no assumptions; check or replace distributor condenser) Bill in Oregon

===================================================================

-----Original Message-----
From: Spridgets [mailto:spridgets-bounces at autox.team.net] On Behalf Of
Lester
Sent: Saturday, July 12, 2014 9:30 AM
To: spridgets at autox.team.net list; bugeye at yahoogroups.com
Subject: Re: [Spridgets] Bugeye/Frogeye Club..... Racer guys Engine help

 

Very underwhelmed WST, VERY!

 

Just tried again and I'll list stuff so new eyes can see what I'm missing.

 

1275 bored to 1380 cc

 

FO  1-3-4-2

 

#1 cyl closest to radiator

 

Set engine to TDC.  This was done by removing valve cover  and rotating
engine

until both rocker arms were NOT moving and had some slight play.

 

This lines up with pointer that has been installed and white outlined mark
on

balancer.  Seen from passengers side looking at balancer.  There are 3 marks

father along clockwise on balancer.

 

Install 123 distributor per manufacturers directions.  Verify that
distributor

rotor is pointing at # 1 spark plug lead.  Turn distributor until I get some

degree of running.  Get spitting back through carb.

 

I have not tried to rev it up to see if it will run better, I need a second

person here for that and it doesn't happen very often.

 

Get tired and give up with temps in Mid- 90s

 

Send out another email.

 

At this point I am considering installing my personally built cheater motor
(

Early 1098 crank and 1098 pistons in 948 block with an Aussie spec (TM)
cam).

 

Lester

 

 

On Jul 6, 2014, at 5:27 PM, Wm Severin Thompson wrote:

 

> Lester, I've been in the weeds in this one, but if I recall, you were

underwhelmed by the performance of a semi-race motor? My first thought was

improper cam timing during assembly.

> 

> WST

> 

> Sent from my iPhone

> 

>> On Jul 5, 2014, at 11:07 PM, Lester <oldsaabguy at comcast.net> wrote:

>> 

>> Ron, I'll put in one of these other needles and see what happens, wires

seem

>> good and timing light shows good on each one.

>> 

>> Jim, that was the first thing I did, showed 205 on cylinders 1, 2, and 3

but

>> only 185 on 4.  That was the FIRST thing that I did..For an engine with

less

>> than 20 miles on it that difference bothers me and did from the start.

That

>> said, it's spitting out the front carb..

>> 

>> Lester

>> 

>> 

>>> On Jul 5, 2014, at 10:44 PM, Lester oldsaabguy at comcast.net [bugeye]

wrote:

>>> 

>>> Ok, latest bit of info..

>>> 

>>> 

>>> Installed working non-electronic distributor.  Only change is that the

bang

>> from the backfire is a little weaker.

>>> 

>>> Removed the airfilter and housing, the front carb is spitting out

fuel/air

>> mix every rotation, only getting backfire every third or fourth time.

Looks

>> like one of my wildly ported two strokes.

>>> 

>>> Verified fuel pump is moving fuel.

>>> 

>>> Lifting up on dashpot causes backfire to be a little less.

>>> 

>>> Next course of action is to blow through the jet from the needle side to

the

>> bowl to verify that all is clear....

>>> 

>>> ..unless there are other options.

>>> 

>>> BTW  I pulled needles from another carb set and found some loose jets in

a

>> bag by the distributor...  no two of them are the same.  I may still

install

>> what appears to be a richer one if nothing else works.

>>> 

>>> Lester

>>> 

>>> .. and what are the symptoms of a cam that has been installed

incorrectly?

>>> 

>>> No, I haven't done the vacuum testing yet as the car won't idle worth a

>> damn.

>> ------------------------

>> 

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>> 

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