A
AUSSIEVETTEMAN
Guest
Hi guys,
Just fitted an Edelbrock Q Jet carb (1903 795 CFM) to replace a Holley 650 spreadbore double pumper the previous owner put on.
BIGGGGG difference!
It started out by buying the carb from a guy in the US via Ebay. Got the carb for $330 US, which is a saving of around $110 or more. This is a big amount once it gets back to Australian Dollars.
I had my local carby bloke fit the carb, but he had a set back.
After removing the Holley, he accidently dropped a nut from the carb down into the inlet manifold! Bugger!
He called me to let me know and said that he will pay for anything he does to fix the problem.
After removing the inlet manifold, he noticed two things, one was that the water jackets on the original inlet were showing there age and the second was that there was no nut. :duh
The heads soon came off. There was an upside to that, they had never been off, that's right this was a virgin engine from 1981. I could hardly believe it myself as I thought for sure that it may have been rebuilt in that time. There was a build up of carbon at the top of each bore, valves were in pretty good order after 22 years. The original head gaskets were cactus, and that may have been a contributor to my heating problem.
New gaskets went on and so did an Edelbrock performer manifold inplace of the stock GM unit (the stock one will be repaired and stored). On went the carb and the adjustments were made to the kickdown cable.
All the 'block-offs' that were on the vacuum hoses were fitted back to the carb and everything looks sweet.
I drove her after everything was done and nearly fried the tyres first time.
The Holley was over fuelling the engine when you hit it and as a result, there was a BIG flatspot. The Edelbrock has no flatspot and it seems that we have at least 40% more power!
I know that that is not possible, but that is the way it seems.
Just touch it and BAM, there she goes!
I would highly recommend the carb to anyone planning on putting one on.
Cheers
Tony
Just fitted an Edelbrock Q Jet carb (1903 795 CFM) to replace a Holley 650 spreadbore double pumper the previous owner put on.
BIGGGGG difference!
It started out by buying the carb from a guy in the US via Ebay. Got the carb for $330 US, which is a saving of around $110 or more. This is a big amount once it gets back to Australian Dollars.
I had my local carby bloke fit the carb, but he had a set back.
After removing the Holley, he accidently dropped a nut from the carb down into the inlet manifold! Bugger!
He called me to let me know and said that he will pay for anything he does to fix the problem.
After removing the inlet manifold, he noticed two things, one was that the water jackets on the original inlet were showing there age and the second was that there was no nut. :duh
The heads soon came off. There was an upside to that, they had never been off, that's right this was a virgin engine from 1981. I could hardly believe it myself as I thought for sure that it may have been rebuilt in that time. There was a build up of carbon at the top of each bore, valves were in pretty good order after 22 years. The original head gaskets were cactus, and that may have been a contributor to my heating problem.
New gaskets went on and so did an Edelbrock performer manifold inplace of the stock GM unit (the stock one will be repaired and stored). On went the carb and the adjustments were made to the kickdown cable.
All the 'block-offs' that were on the vacuum hoses were fitted back to the carb and everything looks sweet.
I drove her after everything was done and nearly fried the tyres first time.
The Holley was over fuelling the engine when you hit it and as a result, there was a BIG flatspot. The Edelbrock has no flatspot and it seems that we have at least 40% more power!
I know that that is not possible, but that is the way it seems.
Just touch it and BAM, there she goes!
I would highly recommend the carb to anyone planning on putting one on.
Cheers
Tony
