Best aftermarket Front Subframe? - Chevy Nova Forum
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Old 30th-January-2012, 01:12 PM   #1
1964CHEII

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Best aftermarket Front Subframe?

Hey guys, I wanted to ask in comparison, what subframe would be better for the 62-65 nova, I am planning on getting a G machine unit from Chris Alstons Chassisworks, but I wanted to see what your guys experiences/ opinions on the system were, or would I be better off with a TCI or Heidts unit? thanks a lot guys
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Old 30th-January-2012, 01:55 PM   #2
VooDooII

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I'm partial to churchboysracing.com, I know you were asking which subframe was best, in my oppinion the CBR upgrade to the stock sub frame is hard to beat!!
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Old 30th-January-2012, 02:18 PM   #3
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Depends on what your willing to spend.My opinion is the Detroit Speed front clip is probably the best thing out there currently BUT they are very proud of thier clip and you will pay accordingly.What are your intensions for the car? Daily driver? Race car? so on.And yes I am a little partial to CBR improvment to the stock style clip as well
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Old 30th-January-2012, 02:19 PM   #4
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your not going to get many replys use the search and u will find it. all the clips u mention seem to be good i was in the same boat about a week ago i decided to go different way . all in what u r doing with the car makes a difference. dont forget detroit speed if u want protouring
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Old 30th-January-2012, 03:34 PM   #5
itslow

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When asking which is the "best", are you asking which has the:
  • "Bang for the Buck"
  • Performance (then: down the strip, around the turns, or on the street)
  • Engine Room
  • Looks (either: retaining "stock-like" appearance, or "modern")
  • etc, etc.

The various kits on the market fit in to a wide range of the above. Really would need to determine what you're after, what you're willing to spend, and/or how much work/fabrication/assembly you're willing to do.
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Old 30th-January-2012, 07:48 PM   #6
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What engine are you going to run?
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Old 31st-January-2012, 02:28 PM   #7
1964CHEII

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I am going to run a Dart SHP block with a 4340 forged crank 3.875 stroke, 4340 6" rods, 2618 Forged aluminum pistons, 4.155" bore (420.334 C.I.D.) Rotating assembly balanced within +-.001g. Melling High volume oil pump, clevite bearings, AFR/RHS 23 deg. Cylinder heads 220cc intake 160cc exhaust, 2.05 1.60 valves, double valve springs, Comp cams Hyd. Roller(matched to cylinder head flow #s) hyd. roller lifters, comp .080" thick wall pushrods, comp pro magnum roller rockers. Single plane intake(port matched to heads) holley 4150, or demon 4150 carb, MSD 6AL w/ Pro Billet Distributor, blaster II coil, 8.5mm wires. i think thats about it, im going to run about 9.5:1 compression, just in case I decide to throw a supercharger on it at some point in time.

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Old 31st-January-2012, 03:03 PM   #8
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If I had the cash you selected two of the best clips. The Chassisworks G machine clip is well known and has good geometry. The TCI pro=touring clip is probably the lightest and yet it has the most value. If you choose a pro=touring style of clip you can be assured they will hold a straight line if you ever decide to go down a drag strip and for street use they are the safest option. Each has excellent customer service and parts availability. Which one probably depends more on aesthetics than actual quality. TCI also just came out with an improved Mustang II clip for the budget minded pro=tourer. If you are tight on funds this is the only clip for the DIY. Lastly, the Checkered racing clip is for the guy who loves to fabricate. Bare bones, but right for the right guy.
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Old 31st-January-2012, 05:46 PM   #9
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Quote:
Originally Posted by Pragmatist View Post
If I had the cash you selected two of the best clips. The Chassisworks G machine clip is well known and has good geometry. The TCI pro=touring clip is probably the lightest and yet it has the most value. If you choose a pro=touring style of clip you can be assured they will hold a straight line if you ever decide to go down a drag strip and for street use they are the safest option. Each has excellent customer service and parts availability. Which one probably depends more on aesthetics than actual quality. TCI also just came out with an improved Mustang II clip for the budget minded pro=tourer. If you are tight on funds this is the only clip for the DIY. Lastly, the Checkered racing clip is for the guy who loves to fabricate. Bare bones, but right for the right guy.
Well said....

John
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Old 1st-February-2012, 05:36 AM   #10
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Quote:
Originally Posted by 1964CHEII View Post
I am going to run a Dart SHP block with a 4340 forged crank 3.875 stroke, 4340 6" rods, 2618 Forged aluminum pistons, 4.155" bore (420.334 C.I.D.) Rotating assembly balanced within +-.001g. Melling High volume oil pump, clevite bearings, AFR/RHS 23 deg. Cylinder heads 220cc intake 160cc exhaust, 2.05 1.60 valves, double valve springs, Comp cams Hyd. Roller(matched to cylinder head flow #s) hyd. roller lifters, comp .080" thick wall pushrods, comp pro magnum roller rockers. Single plane intake(port matched to heads) holley 4150, or demon 4150 carb, MSD 6AL w/ Pro Billet Distributor, blaster II coil, 8.5mm wires. i think thats about it, im going to run about 9.5:1 compression, just in case I decide to throw a supercharger on it at some point in time.
This sounds very similar to the engine in my 67.....15* heads and a bit more compression. It turns 9.50's in the quarter.

You did say "after market" but, you did not comment against the other CBR votes.....I will say this. My complete "Bolt" in conversion with tubular upper control arms and coil overs will perform at the same level as any of the clip style of front ends. The difference being you are maintaining a stock appearance. To be 7 seconds faster than a 2011 SS camaro in the auto cross is impressive for such an antique still using original frame work!
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