Thread: JWT high lift cams for turbo

+ Reply To Thread

First

Last

Posts: 11-20 of 63

Search Thread

2011-02-28 21:31:18

#11

Will

Deficit in Attention

Join Date: 2007-12-11
Location: Jupiter, Florida
Posts: 2,332
Trader Score: 6 (100%)

Originally Posted by vqman

i would wonder if the High Lift S4's would require springs/retainers because the regular S4's are already on the cusp of requiring them......

if they have less lift and duration than the S5s i'm sure they would be fine

0 Likes

Be the first to like this post.

White '92 NX2000 - JWT PP & B15 Disk, Hypercoil Gen2 damped by Koni Yellow Sports NX Thread

Black '95 200sx SE-R T28 Turbo Lowport 286whp/245wtq 12.306 @ 113.55 200sx Thread

Originally Posted by wnwright
I'm sorry I'm an engineer. I'm looking at the math.

Reply Reply With Quote

2011-02-28 21:38:17

#12

vqman

old and dirty.. and dirty

Join Date: 2007-12-12
Location: Fishers, IN
Posts: 3,262
Trader Score: 24 (100%)

Originally Posted by Will

if they have less lift and duration than the S5s i'm sure they would be fine

Jim Wolf cams
S3 cams-.442" LIFT / 260 DEG.DUR.
S3HL cams -.457" LIFT / 260 DEG.DUR.
S4 cams- .464" LIFT / 266 DEG.DUR.
S4HL cams -.484" LIFT / 266 DEG.DUR.
S5 cams- .503" LIFT / 281 DEG. DUR

C1 cams- .476" LIFT / 264 DEG. DUR.
C2 cams- .500" LIFT / 275DEG.DUR.
C3 cams- .526" LIFT / 285 DEG.DUR.

so by that rationale, C1 & C2 cams are fine without springs/retainers?? hmm..
also, what about the pistons? would you need notches for the valves?

0 Likes

Be the first to like this post.

Reply Reply With Quote

2011-03-01 01:25:39

#13

Will

Deficit in Attention

Join Date: 2007-12-11
Location: Jupiter, Florida
Posts: 2,332
Trader Score: 6 (100%)

wow, so the difference in lift is 20 thou higher the in the s4 HL than the regular s4 but with the same duration. I retract my previous statement about just being smaller than the s5 cams, but I do think the s4 HL would still be fine on a stock setup.

0 Likes

Be the first to like this post.

White '92 NX2000 - JWT PP & B15 Disk, Hypercoil Gen2 damped by Koni Yellow Sports NX Thread

Black '95 200sx SE-R T28 Turbo Lowport 286whp/245wtq 12.306 @ 113.55 200sx Thread

Originally Posted by wnwright
I'm sorry I'm an engineer. I'm looking at the math.

Reply Reply With Quote

2011-03-01 01:48:04

#14

vqman

old and dirty.. and dirty

Join Date: 2007-12-12
Location: Fishers, IN
Posts: 3,262
Trader Score: 24 (100%)

you didn't notice my PF quote....

0 Likes

Be the first to like this post.

Reply Reply With Quote

2011-03-01 01:52:29

#15

SR20?

B13 SE-R

Join Date: 2009-04-24
Location: Murfreesboro, TN
Posts: 702
Trader Score: 2 (100%)

I ran mine like 8k miles on stock springs and retainers. Never had any issues. Took them in and out of my car like 3 times and even let my friend borrow them for his N/A SR20DE. His car was side by side with a stock VE with those cams, all through 5th gear. He had other bolt ons too, of course.

0 Likes

Be the first to like this post.

If NISMO stands for Nissan Motorsports, does HOMO stand for Honda Motorsports?

Reply Reply With Quote

2011-03-01 02:20:49

#16

beto

Member

Join Date: 2009-10-29
Location:
Posts: 551
Trader Score: 9 (100%)

yeah that is an impressive lift, its better than the C1s

0 Likes

Be the first to like this post.

1990CRX SOHC Vtec, reliable DD
1992 SE-R, blown DET

Reply Reply With Quote

2011-03-01 02:54:33

#17

STRATTON

BLUE RAY PWNES ME

Join Date: 2007-12-15
Location:
Posts: 5,918
Trader Score: 8 (100%)

Originally Posted by SR20?

That ve must have been sick...

Stratton.

0 Likes

Be the first to like this post.

if ruled the world and everything in it, skys the limit id push the q 4 5 infinit....

Reply Reply With Quote

2011-03-01 03:07:09

#18

vqman

old and dirty.. and dirty

Join Date: 2007-12-12
Location: Fishers, IN
Posts: 3,262
Trader Score: 24 (100%)

stock VE has 187 hp at the crank right?

seems like a drivers race to me, S4 HL with boltons should get 150-160 to the wheels, no? and when you're racing, you're in the upper part of the rev band anyway.. so the low end advantage of the VE's smaller cams is of no value here..

0 Likes

Be the first to like this post.

Reply Reply With Quote

2011-03-01 03:12:18

#19

STRATTON

BLUE RAY PWNES ME

Join Date: 2007-12-15
Location:
Posts: 5,918
Trader Score: 8 (100%)

Who the hell runs a ve with an oem header and stock intake.

I ran s4s for more then 5 years, great cams. But u cant compare a de with cams to a ve.

When was the last time you say a de run 12s let alone mid to low 11s ?

Give it up man lol.

Stratton.

0 Likes

Be the first to like this post.

if ruled the world and everything in it, skys the limit id push the q 4 5 infinit....

Reply Reply With Quote

2011-03-01 03:26:55

#20

vqman

old and dirty.. and dirty

Join Date: 2007-12-12
Location: Fishers, IN
Posts: 3,262
Trader Score: 24 (100%)

i dunno man, he said stock..........

0 Likes

Be the first to like this post.