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Subject: "crower 4g63 valvesprings in 420a head" Search result list | First match | Last match
ckellum2Nov-28-09 03:49 PM
Member since Jul 29th 2009
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#128864, "crower 4g63 valvesprings in 420a head"


          

So I've been doing some research and I have found on 2gnt and 'tuners people referencing to the 4g63 valvesprings by crower fitting the 420a head. I was wondering if this was just a simple replacement or if there was any modifications to the 420a head to do this. Thanks for all the help. ~Chris~

  
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Replies to this topic
RE: crower 4g63 valvesprings in 420a head, Moderatorbullettdsm, Nov-28-09 07:08 PM, #1
RE: crower 4g63 valvesprings in 420a head, ckellum2, Nov-28-09 07:53 PM, #2
      RE: crower 4g63 valvesprings in 420a head, Moderatorteklein, Nov-28-09 08:31 PM, #3
           RE: crower 4g63 valvesprings in 420a head, ckellum2, Nov-28-09 09:07 PM, #4
                RE: crower 4g63 valvesprings in 420a head, Moderatorbullettdsm, Nov-29-09 06:06 AM, #5
                     RE: crower 4g63 valvesprings in 420a head, ckellum2, Nov-29-09 12:29 PM, #6
                          RE: crower 4g63 valvesprings in 420a head, ckellum2, Nov-29-09 12:35 PM, #7
                               RE: crower 4g63 valvesprings in 420a head, rs99eclipse, Nov-29-09 03:56 PM, #8
                                    RE: crower 4g63 valvesprings in 420a head, nicho919, Nov-29-09 07:53 PM, #9
                                         RE: crower 4g63 valvesprings in 420a head, 95_ESi_Person, Nov-29-09 08:18 PM, #10
                                              RE: crower 4g63 valvesprings in 420a head, ckellum2, Nov-29-09 09:43 PM, #11

ModeratorbullettdsmNov-28-09 07:08 PM
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#128866, "RE: crower 4g63 valvesprings in 420a head"
In response to Reply # 0

          

Define simple

Just a straight up spring install. No modifications needed. I'm running the stock 4g63 springs in my turbo car and the Crower's 4g63 in my NA.

Captain Caveman

96 RS Turbo 11.414 @ 119.62 MSNS, Crower 2 NA cams, BW366, 10.5 comp, UDP, 60mm TB, W/A intercooler, 3.55 tranny 567.9whp 430tq
97 RS NA 13.188 @ 103.87 MSnS powered 12.5 comp, Crower 3's and 219.4whp with 175tq
98 RS DD 12.5 comp on stock ECU, LTH, Crower 2's, Koni, GC, Hypercoil, DG hats
99 OZ 5sp Stocker 15.856 @ 85.97
99 GS stocker auto 17.7@77mph!

wiki home page:http://www.2gnt.com/index.php?d=bullettdsm

  
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ckellum2Nov-28-09 07:53 PM
Member since Jul 29th 2009
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#128867, "RE: crower 4g63 valvesprings in 420a head"
In response to Reply # 1

          

Thank you very much. That is exactly the info I was looking for. Now what are the benefits of using the crower springs for the 4g63 vs. the crower springs for the 420a? Are they the same dimensions, have the same rates or ae they just better?

  
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ModeratortekleinNov-28-09 08:31 PM
Member since Nov 04th 2007
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#128868, "RE: crower 4g63 valvesprings in 420a head"
In response to Reply # 2

          

Originally posted by ckellum2
Thank you very much. That is exactly the info I was looking for. Now what are the benefits of using the crower springs for the 4g63 vs. the crower springs for the 420a? Are they the same dimensions, have the same rates or ae they just better?


They are cheaper IIRC.

  
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ckellum2Nov-28-09 09:07 PM
Member since Jul 29th 2009
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#128870, "RE: crower 4g63 valvesprings in 420a head"
In response to Reply # 3

          

At CI Motorsports the 420a kit with titanium retainers is five dollars more than the 4g63 kit.

  
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ModeratorbullettdsmNov-29-09 06:06 AM
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#128871, "RE: crower 4g63 valvesprings in 420a head"
In response to Reply # 4

          

Originally posted by ckellum2
At CI Motorsports the 420a kit with titanium retainers is five dollars more than the 4g63 kit.

Whoa, slow down there a little. The SPRINGS are the same size from 4g63, but the retainers etc. are different.

And you may want to check out the FS section for some opinions on CI Motorsports (i.e. under the Bad Guy section). You're call.

Captain Caveman

96 RS Turbo 11.414 @ 119.62 MSNS, Crower 2 NA cams, BW366, 10.5 comp, UDP, 60mm TB, W/A intercooler, 3.55 tranny 567.9whp 430tq
97 RS NA 13.188 @ 103.87 MSnS powered 12.5 comp, Crower 3's and 219.4whp with 175tq
98 RS DD 12.5 comp on stock ECU, LTH, Crower 2's, Koni, GC, Hypercoil, DG hats
99 OZ 5sp Stocker 15.856 @ 85.97
99 GS stocker auto 17.7@77mph!

wiki home page:http://www.2gnt.com/index.php?d=bullettdsm

  
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ckellum2Nov-29-09 12:29 PM
Member since Jul 29th 2009
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#128873, "RE: crower 4g63 valvesprings in 420a head"
In response to Reply # 5

          

Thanks for the heads up. So what I am understanding is; get the 4g63springs, and the 420a retainers. And what kind of selection for valves are there?

  
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ckellum2Nov-29-09 12:35 PM
Member since Jul 29th 2009
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#128874, "RE: crower 4g63 valvesprings in 420a head"
In response to Reply # 6

          

So what are some good retailers/vendors I should check out also? Thanks.

  
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rs99eclipseNov-29-09 03:56 PM
Member since Mar 20th 2009
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#128875, "RE: crower 4g63 valvesprings in 420a head"
In response to Reply # 7

          

yea it will work but no poin in doing it just get the 420a crowers

  
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nicho919Nov-29-09 07:53 PM
Member since Apr 12th 2009
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#128878, "RE: crower 4g63 valvesprings in 420a head"
In response to Reply # 8

          

CI is definitely slow on shipping, but they AREN'T bad guys. Don't expect next night shipping, wait 2 weeks or so, but if you're not in a hurry, i'd do business over and over and over.

I'm broke, it's broken. I'm broke because it's broken. It's broken because I'm broke.

Simplicity Car Club - Founding Member

  
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95_ESi_PersonNov-29-09 08:18 PM
Member since Sep 16th 2002
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#128879, "RE: crower 4g63 valvesprings in 420a head"
In response to Reply # 9

          

Originally posted by nicho919
CI is definitely slow on shipping, but they AREN'T bad guys. Don't expect next night shipping, wait 2 weeks or so, but if you're not in a hurry, i'd do business over and over and over.


It took a month for me to get my 420A Crower springs from them (would still use them though)... If I remember correctly, Modern Performance also has a listing for them for a lot less.

__________________________________
-Ryan

  
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ckellum2Nov-29-09 09:43 PM
Member since Jul 29th 2009
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#128891, "RE: crower 4g63 valvesprings in 420a head"
In response to Reply # 10

          

So is it all 4g63 valve springs are the same or is it just the crower's? Because I just found on vivid racing a set of Brian Crower's are 73.13 dollars! Thanks for the help everyone.

  
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