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Search: Posts Made By: Geoff Dowdle
Forum: 6 cyl Bristol cars 18-12-21, 10:22 AM
Replies: 1
Views: 262
Posted By Geoff Dowdle
Glen, There are at least three different...

Glen,
There are at least three different versions of Weber 34 ICH carburettors.
Unlike the Solex that have removeable venturis the 34ICH venturi are fixed.
There are versions with 25mm , 27mm and...
Forum: 6 cyl Bristol cars 09-12-21, 03:40 AM
Replies: 2
Views: 223
Posted By Geoff Dowdle
Mike406, I could not find the exact Lucas part...

Mike406,
I could not find the exact Lucas part number
but suggest you look at a Lucas L550 light to see if it is the correct type.

They are available with different rims and fixing to the body...
Forum: 6 cyl Bristol cars 23-11-21, 10:16 AM
Replies: 9
Views: 300
Posted By Geoff Dowdle
Glenn, You have mentioned all the jetting sizes...

Glenn,
You have mentioned all the jetting sizes but what are the venturi sizes.
403 - 406 have 26mm ID
Most Bristol Sports engines , C,D,D2 have 28mm or 27mm
The size of the venturi determine the...
Forum: 6 cyl Bristol cars 15-11-21, 11:18 AM
Replies: 6
Views: 323
Posted By Geoff Dowdle
Robert, I don't know of any definitive...

Robert,
I don't know of any definitive information about how many early 400's were fitted with the tubular bumpers .
I have photos of most surviving 400's (period & current) and many cars that have...
Forum: 6 cyl Bristol cars 11-11-21, 06:10 AM
Replies: 3
Views: 244
Posted By Geoff Dowdle
JoeF , You are probably best to try to locate a...

JoeF ,
You are probably best to try to locate a replacement oil separator and tube.

I have made the tubes in steel in the past but not a simple job . It required packing with dry sand,heating the...
Forum: 6 cyl Bristol cars 10-11-21, 10:51 AM
Replies: 16
Views: 5,007
Posted By Geoff Dowdle
Eddie, I have a few blank keys that have been...

Eddie,
I have a few blank keys that have been modified to fit the Zeni door locks ,
but have no way a cutting the key except copying an original.
An experienced locksmith could cut the key blanks...
Forum: 6 cyl Bristol cars 02-10-21, 11:38 PM
Replies: 6
Views: 348
Posted By Geoff Dowdle
David, I'm certainly not an ignition expert but...

David,
I'm certainly not an ignition expert but have had experience with Bristol engines and distributors over the past 40 plus years.
All Lucas advance curves are quoted in Distributor degrees...
Forum: 6 cyl Bristol cars 02-10-21, 11:39 AM
Replies: 6
Views: 348
Posted By Geoff Dowdle
David , Your plan of putting the 403 on a...

David ,
Your plan of putting the 403 on a rolling road dyno is really the only way to accurately design the best adance curve for a Bristol. That plus checking the mixture through the rev range is...
Forum: 6 cyl Bristol cars 02-10-21, 06:45 AM
Replies: 6
Views: 348
Posted By Geoff Dowdle
David , I have never fitted a 123 Distributor...

David ,
I have never fitted a 123 Distributor so unfortunately can not help with your problem.

But I'm interested in finding details about the ignition advance curve you have decided on . I...
Forum: 6 cyl Bristol cars 14-09-21, 08:07 PM
Replies: 11
Views: 527
Posted By Geoff Dowdle
Mike406, see attached page from the 406 Spare...

Mike406,
see attached page from the 406 Spare Handbook which clearly shows what was originally fitted.
It sounds like the hubcaps you bought are not for a 406 and you need items
#4,5,6,7,8,9& 10
I...
Forum: 6 cyl Bristol cars 03-09-21, 09:13 AM
Replies: 6
Views: 427
Posted By Geoff Dowdle
Glen , I fitted 405 front brakes to my...

Glen ,
I fitted 405 front brakes to my WOK#11.
Initially with the self adjusting links but I found it was difficult to get them both adjusting correctly and evenly . Your problem could be the...
Forum: 6 cyl Bristol cars 31-08-21, 11:43 PM
Replies: 2
Views: 358
Posted By Geoff Dowdle
PeterG , Thanks for the interesting link. Would...

PeterG ,
Thanks for the interesting link.

Would you or anyone on the Forum be able to extract a still photo from the video to be able to read the registered number of this 400.

Also would anyone...
Forum: 6 cyl Bristol cars 03-08-21, 11:17 AM
Replies: 6
Views: 518
Posted By Geoff Dowdle
Kaltekhan , Thanks for the further information...

Kaltekhan ,
Thanks for the further information , Details from the Logbook would be important to record the history of the car.
Pls send me a Private message through the Forum if there are details...
Forum: 6 cyl Bristol cars 02-08-21, 09:23 PM
Replies: 6
Views: 518
Posted By Geoff Dowdle
Kaltekhan, Thanks for posting these photos of...

Kaltekhan,
Thanks for posting these photos of 400/136 .
It is a car that BOC has very few details of.

The known details are
Chassis Number 400/1/136
Car number 400/A/123 (the 23rd...
Forum: 6 cyl Bristol cars 14-07-21, 02:42 AM
Replies: 7
Views: 451
Posted By Geoff Dowdle
412USA, I have two sets of 406 front discs ...

412USA,

I have two sets of 406 front discs fitted to my two 400s , one with Alloy Coopercraft 4 piston calipers, the other with Girling #17 cast iron Calipers.
Both work well compared to the...
Forum: 8 & 10 cyl Bristol cars 28-06-21, 10:26 PM
Replies: 4
Views: 330
Posted By Geoff Dowdle
Peter, I suggest you file or grind a little off...

Peter,
I suggest you file or grind a little off each new pad until it fits .
Geoff
Forum: 6 cyl Bristol cars 08-06-21, 10:40 PM
Replies: 8
Views: 516
Posted By Geoff Dowdle
David , when BCL fitted overdrives to 405 and...

David ,
when BCL fitted overdrives to 405 and 406 they used a 28% reduction overdrive and fitted the 4.2 ratio diff (approx 9% difference) , so the overall
ratoi difference was about 19%.

I've...
Forum: 6 cyl Bristol cars 07-06-21, 10:48 PM
Replies: 8
Views: 516
Posted By Geoff Dowdle
DavidC, I have owned my first 400 since 1976...

DavidC,
I have owned my first 400 since 1976 and it has been fitted with three different engines over those years. During the restoration I fitted a 100D2 engine , then 85A with 405 camshaft , 8.5...
Forum: 8 & 10 cyl Bristol cars 18-05-21, 02:54 AM
Replies: 28
Views: 1,223
Posted By Geoff Dowdle
David , I'm certainly not a brake...

David ,
I'm certainly not a brake expert/engineer but I would not want brakes on my Bristols to lock on a dry road .
Imagine what would happen on a wet road if you had to brake suddenly while...
Forum: 8 & 10 cyl Bristol cars 17-05-21, 11:03 AM
Replies: 28
Views: 1,223
Posted By Geoff Dowdle
David, When you have confidence in the brakes I...

David,
When you have confidence in the brakes I suggest you take the car out on a quiet country road at say 60 mph and when safe do an emergency stop .
You might find the front brakes might lock...
Forum: 6 cyl Bristol cars 18-04-21, 11:51 AM
Replies: 5
Views: 462
Posted By Geoff Dowdle
Stefan, The records I have show BCL fitted...

Stefan,
The records I have show BCL fitted front disc (in the period 1958 - 1961) to

401 10 cars
403 21 cars
404 10 cars
405 89 cars
405 DH 12...
Forum: 6 cyl Bristol cars 17-04-21, 09:55 PM
Replies: 5
Views: 462
Posted By Geoff Dowdle
Dangerous Rob , I have records of 89 ,of the...

Dangerous Rob ,

I have records of 89 ,of the approx. 265 Type 405s produced, being retro fitted with Dunlop disc brakes to the front axle between Feb 1958 and April 1961 .

Most 405 were supplied...
Forum: 6 cyl Bristol cars 21-03-21, 10:26 PM
Replies: 6
Views: 650
Posted By Geoff Dowdle
Kurt , I don't own a 406 but have found a photo...

Kurt ,
I don't own a 406 but have found a photo of a 406 engine bay that might help .

Is your car LHD or RHD ?
What is it's chassis number and original engine number
Can you post a few photos of...
Forum: 8 & 10 cyl Bristol cars 03-01-21, 11:57 PM
Replies: 6
Views: 556
Posted By Geoff Dowdle
AlanD, From the information I can gather there...

AlanD,

From the information I can gather there seems to be only four 411 6 Series produced . One from S3 , one from S4 and two from S5 , but there could have been more.

What about a Britannia...
Forum: 8 & 10 cyl Bristol cars 29-12-20, 10:44 AM
Replies: 6
Views: 556
Posted By Geoff Dowdle
Alan , The 411 Series 5 you saw was one of...

Alan ,
The 411 Series 5 you saw was one of just a few cars upgraded to Series 6 .
It was imported into Sydney about 4 years ago with UK registered number "SXI 411".
The owner George lives in the...
Showing results 1 to 25 of 362

 
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