4/71 blower experiment on my 4.6 :)

JP. · Post by **JP.** » Sat Jul 16, 2011 2:56 pm

Tried that spraying at 4psi a few weeks ago with no better results. So I just switch gears back to 4 psi. It seems I don't have enough horsepower on my 3.5 to spin my blower that fast. Engine dies at 5200rpm while at 4psi I can reach 7000 with no problem.

Have to say... with stock heads I had 8psi also with no issues.
Merlin heads dropped the boost levels to 4psi but with more bhp as a result so I took the change to raise boost to 8psi with spining the blower even faster.

Lesson I learned............raising boost with a blower will not raise bhp all times as it takes more bhp to drive the blower faster. There's a point the engine won't have enough to spin it.
A blower can not be compared to a Turbo which takes allmost no bhp to spin so it has nothing to do with boost levels.

For the moment Ill stick to my 3.5 ( have too....).

Explanation why I need 7000rpm....
Holland is near Germany where they have an Autobahn. From where I live its 1 hour away...............
Those Germans think my scoop is fake until I shift into 5th at 135 real mph......suprise....... you have been fooked by an OldSkoolFord with a driver on clogs

gasserman · Post by **gasserman** » Fri Jul 20, 2012 6:27 pm

hello saw you at dragstalgia at the pod was that a 10.2 sec pass ,awsome

mgbv8 · Post by **mgbv8** » Fri Jul 20, 2012 7:31 pm

gasserman wrote:hello saw you at dragstalgia at the pod was that a 10.2 sec pass ,awsome

It was indeed Gasserman !!

I'm well happy

I have to work this weekend and next and then I'm off for 2 weeks in the Sun. But I just realised that theres a RWYB on Saturday 11th August which is the day after I come back so I'm going up again

And then going to North Weald for the 19th August as well !

What car where you running?? There was some serious metal on site for the weekend eh? I missed last year because I broke mine the week before

Regards
Perry

gasserman · Post by **gasserman** » Sat Jul 21, 2012 8:56 pm

only window shopping at the moment

be running me ford pop gasser soon blown rover ro50 ,called the big chap manual box 9 inch ford woohoo

Blown v8 · Post by **Blown v8** » Thu Aug 16, 2012 6:57 pm

Looking forward to seeing this perform on Sunday

mgbv8 · Post by **mgbv8** » Fri Aug 17, 2012 7:05 am

I will be at north weald on sunday. And next week I'm starting a new engine build. I'm keen to run a 9 so I need more grunt

gasserman · Post by **gasserman** » Tue Aug 21, 2012 5:36 am

speed cost money kid ,how fast do you wanna go

Blown v8 · Post by **Blown v8** » Tue Aug 21, 2012 5:18 pm

Got there a t 2pm,couldnt find you !

mgbv8 · Post by **mgbv8** » Tue Aug 21, 2012 6:42 pm

Blown v8 wrote:Got there a t 2pm,couldnt find you !

Bugger!!
I was there till 4pm. Didnt take any cars as it was pre 73 only...

The handling event was a good laugh eh ??