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I really like your design and agree a layered approach would be best My attempt was a first experiment and it is currently fouling the accelerator cam on flat out . I will remodel incorporating a layered approach I have seen modern exhausts wrapped with a crinkly aluminium sheet - the...

Malcolm I have just read your MG thread You had exactly the same idea as me a small computer fan etc . I’m going to route the fuel away from the engine and straight to the carb Note your comment at bottom of MG post that petrol must boil close to 100deg I strongly suspect it’s substantially...

Apologies -Cyprusnoddycar

Jjad Nice to be in contact again yes I agree with your point re plastic. I think however if you had ethanol in your fuel you might suffer too I have a small plastic filter on order

That is VERY interesting and YES it’s esso I buy - that could well be the problem thank you for the suggestion - I’m going to try a number of solutions but mainly get the fuel line away from the hot engine Malcolm good to hear from you again and thank you for keeping this brilliant resource...

That is VERY interesting and YES it’s esso I buy - that could well be the problem thank you for the suggestion - I’m going to try a number of solutions but mainly get the fuel line away from the hot engine

Yes I see ! I do have original carb and I’m curious as ti why I had not noticed it’s not on the current one - however that’s a breather and is not itself a cure as such I think my carb must have a breather but maybe looks different

Yes the air filter is not fitted in this photo so you can see what I meant by heat shield . Air filter was re-fitted all exactly as normal but still big problem

Hello all it’s been some time since I was on here . My R4 has suffered problems with hot starts . However, when I change to the new hire octane E5 fuel. The problem seem to go away. However, it’s back with avengeance! I made up a generous heat shield to experiment with and placed it between...

Isn’t it !

I have been introduced to the lovely Rena. A little white R4 who has come to live within 3 miles of my home town Royston Vasey (aka Wymondham) And a delightful wedding car seen at the Abbey nearby my house

Hi Stuart - you’re right and it’s a shame they do

Does anyone have an R4F4 Renault 4 van for sale ? Thank you Jonathan

Excellent! will try that too

Was listed on eBay in Minehead I hesitated and missed out :doh:

Hello L’R4 I think you’re right and leaded fuel would cope better Not sure the additives would help but I guess I could try that those conditions are very extreme and historically the R4 has coped. So the bit that’s changed is the fuel ?

I suspect this

Hello my friend - Yes identical symptoms I attribute this to modern fuel and the design of the car being suitable for older fuel I’m going to add a heat shield first as I have the thick insulated washer fitted already jonathan

VERY interesting everyone and thank you for comments so far . I’m sure I have a thick plastic spacer fitted - will check. Not sure if it’s the phenolic type material though. I can see routing the fuel differently to the carb should help. The fact it passes over the top of the engine and a great...