[Healeys] Backfire in rebuilt engine with less than 500 miles

[David P]

..or a momentary loss of power to the fuel pump or delivery pressure.. 
or a sticking valve.. many possibilities..

On 1/25/2021 9:20 AM, Kees Oudesluijs wrote:
>
> Some parts like i.e. the distributor or carbs are taken of the engine 
> when it is rebuild and then after having lain on the shelf for months 
> or even years are put back on the engine the way they came off, 
> without resetting or cleaning.
>
> In the distributor are the bob weights inside the body that regulate 
> the mechanical advance. These need regular maintenance (mostly 
> forgotten) to prevent them from corrosion and sticking. It is not 
> seldom that these get stuck or do not move freely which might be a 
> cause for backfiring. Also check the plugs and wires.
>
> If the car is still on points check the dwell angle and points 
> condition. Also check the timing.
>
>
> Kees Oudesluijs
>
>
>
>
> Op 25-1-2021 om 15:57 schreef rfbegani at gmail.com:
>>
>> Listeners:
>>
>> I have been driving my 67 BJ8 since rebuilding and working on the 
>> rest of the car the past year.  After installing the new shock 
>> absorbers and the new speedo, I took the car for a ride.  With the 
>> new shocks and the new Shaved tires, she drives like brand new car 
>> down the Tamiami Trail at 50-70 mph, so I decided to push it a little 
>> more.  However at 4000 plus rpms and about 90 mph, I was not looking 
>> so closely at the speedo or tack, the engine back fired, so I let off 
>> the gas and returned to normal highway speeds. Engine ran fine all 
>> the way home. Suggestions what could cause the backfire at high speeds?
>>
>> Bob Begani
>>
>>
>> _______________________________________________
>> Support Team.Nethttp://www.team.net/donate.html
>> Suggested annual donation  $12.75
>>
>> Archive:http://www.team.net/pipermail/healeys  http://autox.team.net/archive
>>
>> Healeys at autox.team.net
>> http://autox.team.net/mailman/listinfo/healeys
>>
>> Unsubscribe/Manage:http://autox.team.net/mailman/options/healeys/coudesluijs@chello.nl
>>
>
> _______________________________________________
> Support Team.Net http://www.team.net/donate.html
> Suggested annual donation  $12.75
>
> Archive: http://www.team.net/pipermail/healeys http://autox.team.net/archive
>
> Healeys at autox.team.net
> http://autox.team.net/mailman/listinfo/healeys
>
> Unsubscribe/Manage: http://autox.team.net/mailman/options/healeys/frogeye@porterscustom.com
>
-- 
Porter Custom Bicycles 2909 Arno St. NE Albuquerque, NM. 505-352-1378 My World go here: WWW.PORTERBIKES.COM/

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://autox.team.net/pipermail/healeys/attachments/20210125/0669f960/attachment.htm>