twin IDFs???

[Tony Z]

I need some feedback.

My current engine is a 1596cc T1. Roughly Engle 100, 050 electronic ign, 8.1:1 cr, stock polished valves, mild port and polish, 1 3/8" single quiet pack.

The last few weeks I have been trying to install and tune a single, centre mounted 36IDF carb. I have been suffering with constant vaccuum leaks.

I have two options - 1) re-install the 36DCD and be happy with what I had or 2) go for a twin 36IDF setup.

I just feel that the twin 36s will make too many revs available when I drop the foot. She still has a stock crank.

Cars is used as a street car. Not a daily driver, but also less than a weekend car. Daily transport, very little traffic.

Your views????

[NYBugman1972]

IMO, go duals and get a rev limiting rotor if you're worried about high revs.

[Tony Z]

not to worry, have run out of patience with the single. Using my nice new parts for the 48s, but putting in 36s. The inlet manifolds are ported for a different set of heads... I dont care right now, the car has to run. Will take it apart once I get the cash to do it properly. At least I got the parts lying around.

[James in SA]

Hey, Tony Z, nice to see someone else in Cape Town.

Cheers

James
'66 Type 4-engined 912

[Tony Z]

James

someone else in Cape Town you say. Drop me a mail sometime to my address.. Tony__Z@hotmail.com

[yetibone]

Hummbug ran first with a single 32/36 Weber DGAV, then dual Dellorto 36 DHLA's then with dual 40 DHLA's using a stock crank. Number 2 main journal was pretty ugly after only 38k
miles, and all the bearings, including the rod bearings had most of the babbet wiped away.

I didn't have the guts to turn it over 5000 RPM.

The 36's were WAY too small, and always ran lean, but Hummbug's got an 1835 with a bit larger cam. Yours should run good on dual 36 IDF's being a 1600. Just don't go past 5000 revs,
and don't expect over 50K miles before a rebuild.


Yetibone