Making a torker II work

[turbo2256b]

_Intake flow_______/_______ Exhaust flow
____As cast___Ported_/__As cast____Ported______W/pipe
-Lift
.100__ 68_______71_______------________59_________59
.200_143_______149______112________128________128
.300_195_______210______149________168________181
.400_227_______262______167________189________208
.500_242_______288______175________198________221
.600_250_______292______178________203________232
.700_251_______290______-----________204________237



While at it flow tested a Torker II as cast bolted to these heads before and after port work.

before porting heads--------- after porting heads
----- lift----CFM-------------------------CFM
----.100----- 68----------------------------68
----.200----142---------------------------143
----.300----192---------------------------195
----.400----221---------------------------227
----.500----229---------------------------242
----.600----229---------------------------250
----.700----229---------------------------251


The Torker with about a .550 lift cam and good exhaust should be able to make peak power
514 HP @ 5300 RPM with 400 cu in engine
500 HP @ 5600 RPM with 383 cu in engine

[Walter R. Malik]

_Intake flow_______/_______ Exhaust flow
____As cast___Ported_/__As cast____Ported______W/pipe
-Lift
.100__ 68_______71_______------________59_________59
.200_143_______149______112________128________128
.300_195_______210______149________168________181
.400_227_______262______167________189________208
.500_242_______288______175________198________221
.600_250_______292______178________203________232
.700_251_______290______-----________204________237



While at it flow tested a Torker II as cast bolted to these heads before and after port work.

before porting heads--------- after porting heads
----- lift----CFM-------------------------CFM
----.100----- 68----------------------------68
----.200----142---------------------------143
----.300----192---------------------------195
----.400----221---------------------------227
----.500----229---------------------------242
----.600----229---------------------------250
----.700----229---------------------------251


The Torker with about a .550 lift cam and good exhaust should be able to make peak power
514 HP @ 5300 RPM with 400 cu in engine
500 HP @ 5600 RPM with 383 cu in engine

Intake manifold air flow will mean almost nothing here as to producing flywheel torque with a full exhaust system.

[turbo2256b]

eXHAUST IS THE EASY PART COMPARED TO THE OLD DAYS WHEN THE ONLY GOOD mufflers were hemi and corvair turbo mufflers when I REALY needed 3" exhaust.

[pdq67]

Slightly off topic, but it should still fit in here.

I remember years ago, Holley sold a single plane that had like a 45 degree funnel around the top of the plenum that sorta choked it down to a square entry-way.

BUT after a bit of rework, it seemed to run fine to very well!

What intake was this?

Or was it the Weiand single plane intake that Mr. V. worked over?

pdq67

[DaveMcLain]

Slightly off topic, but it should still fit in here.

I remember years ago, Holley sold a single plane that had like a 45 degree funnel around the top of the plenum that sorta choked it down to a square entry-way.

BUT after a bit of rework, it seemed to run fine to very well!

What intake was this?

Or was it the Weiand single plane intake that Mr. V. worked over?

pdq67

Some Street Dominator single plane intakes are made that way like the one for the 351C.