Hard start when hot
05-14-2018, 10:47 AM
#1
New Member
Thread Starter
Join Date: Mar 2018
Posts: 12
Likes: 0
Received 0 Likes
on
0 Posts
Hard start when hot
I have a 360 with a mild cam, Edelbrock 750 on a Weiand intake. After running the intake gets so hot it is vaporizing the fuel in the runners and carb. I have a heat spacer already, but it is bad. When I stop, if I take the aircleaner cover off it looks like fog coming out of the carb.
05-15-2018, 03:56 AM
#4
Super Moderator
What are you using for fuel, e10, e15 or regular unleaded? Fuel evaporation is a problem with the Edelbrock carbs especially when alcohol fuels are used, the alcohol evaporates faster and at a lower temp than gas.
05-15-2018, 03:59 PM
#5
New Member
Thread Starter
Join Date: Mar 2018
Posts: 12
Likes: 0
Received 0 Likes
on
0 Posts
OK, after reading a bunch of posts on this issue, I bit the bullet and pulled the intake off, blocked the exhaust crossover, and sealed everything really well. I went back to the 600cfm carb, set the timing at 21/36 and some fresh non-ethanol gas. Things are looking up. I suspected I had a vacuum leak at an intake port, thus causing a rough idle and erratic vacuum. It turned out so. The vacuum is much better at 15 and fairly stable for a mild cam. And the hard start issue is much better.
Thread
Thread Starter
Forum
Replies
Last Post
A-Mac555
Engines, Exhaust and Fuel systems
1
08-26-2014 10:53 PM
